/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:18:02,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:18:02,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:18:02,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:18:02,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:18:02,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:18:02,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:18:02,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:18:02,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:18:02,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:18:02,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:18:02,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:18:02,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:18:02,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:18:02,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:18:02,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:18:02,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:18:02,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:18:02,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:18:02,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:18:02,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:18:02,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:18:02,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:18:02,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:18:02,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:18:02,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:18:02,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:18:02,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:18:02,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:18:02,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:18:02,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:18:02,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:18:02,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:18:02,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:18:02,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:18:02,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:18:02,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:18:02,990 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:18:02,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:18:02,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:18:02,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:18:02,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:18:02,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:18:02,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:18:02,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:18:02,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:18:02,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:18:02,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:18:02,993 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:18:02,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:18:03,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:18:03,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:18:03,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:18:03,181 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:18:03,183 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:18:03,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl [2022-03-16 22:18:03,185 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl' [2022-03-16 22:18:03,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:18:03,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:18:03,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:18:03,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:18:03,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:18:03,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,246 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:18:03,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:18:03,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:18:03,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:18:03,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:18:03,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:18:03,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:18:03,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:18:03,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:18:03,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/1) ... [2022-03-16 22:18:03,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:18:03,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:18:03,296 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) [2022-03-16 22:18:03,299 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 [2022-03-16 22:18:03,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:18:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:18:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:18:03,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:18:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:18:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:18:03,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:18:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:18:03,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:18:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:18:03,327 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:18:03,364 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:18:03,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:18:03,464 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:18:03,480 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:18:03,480 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:18:03,482 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:18:03 BoogieIcfgContainer [2022-03-16 22:18:03,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:18:03,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:18:03,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:18:03,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:18:03,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:18:03" (1/2) ... [2022-03-16 22:18:03,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c929ca and model type horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:18:03, skipping insertion in model container [2022-03-16 22:18:03,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:18:03" (2/2) ... [2022-03-16 22:18:03,525 INFO L111 eAbstractionObserver]: Analyzing ICFG horseshoe.wvr.bpl [2022-03-16 22:18:03,528 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:18:03,528 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:18:03,528 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:18:03,528 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:18:03,556 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 22:18:03,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:18:03,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:18:03,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 22:18:03,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 22:18:03,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:18:03,651 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:18:03,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 22:18:04,192 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1515 transitions and produced 1411 states. [2022-03-16 22:18:04,195 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:18:04,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:18:04,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1682971634, now seen corresponding path program 1 times [2022-03-16 22:18:04,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:18:04,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780944272] [2022-03-16 22:18:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:18:04,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:18:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:18:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20464 backedges. 2195 proven. 15550 refuted. 0 times theorem prover too weak. 2719 trivial. 0 not checked. [2022-03-16 22:18:05,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:18:05,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780944272] [2022-03-16 22:18:05,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780944272] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:18:05,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525794718] [2022-03-16 22:18:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:18:05,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:18:05,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:18:05,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:18:05,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:18:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:18:05,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 22:18:05,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:18:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20464 backedges. 2192 proven. 15550 refuted. 0 times theorem prover too weak. 2722 trivial. 0 not checked. [2022-03-16 22:18:06,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:18:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 20464 backedges. 2192 proven. 15550 refuted. 0 times theorem prover too weak. 2722 trivial. 0 not checked. [2022-03-16 22:18:07,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525794718] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:18:07,054 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:18:07,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 11 [2022-03-16 22:18:07,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14683819] [2022-03-16 22:18:07,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:18:07,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-16 22:18:07,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:18:07,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-16 22:18:07,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=67, Unknown=0, NotChecked=0, Total=132 [2022-03-16 22:18:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:18:07,078 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:18:07,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 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) [2022-03-16 22:18:07,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:18:07,411 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2199 transitions and produced 2082 states. [2022-03-16 22:18:07,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:18:07,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 22:18:07,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 22:18:07,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:18:07,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:18:07,628 INFO L85 PathProgramCache]: Analyzing trace with hash 714041580, now seen corresponding path program 2 times [2022-03-16 22:18:07,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:18:07,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410501732] [2022-03-16 22:18:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:18:07,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:18:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:18:08,487 INFO L134 CoverageAnalysis]: Checked inductivity of 36958 backedges. 11292 proven. 22683 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2022-03-16 22:18:08,488 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:18:08,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410501732] [2022-03-16 22:18:08,488 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410501732] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:18:08,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244771260] [2022-03-16 22:18:08,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:18:08,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:18:08,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:18:08,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:18:08,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:18:08,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:18:08,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:18:08,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 338 conjunts are in the unsatisfiable core [2022-03-16 22:18:08,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:18:19,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 22:18:19,157 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-16 22:18:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 36958 backedges. 11292 proven. 24168 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2022-03-16 22:18:19,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:18:21,731 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-16 22:18:21,732 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-03-16 22:18:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36958 backedges. 11292 proven. 22683 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2022-03-16 22:18:21,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244771260] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:18:21,892 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:18:21,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 132, 25] total 156 [2022-03-16 22:18:21,893 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049672628] [2022-03-16 22:18:21,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:18:21,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2022-03-16 22:18:21,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:18:21,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2022-03-16 22:18:21,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=24049, Unknown=0, NotChecked=0, Total=24492 [2022-03-16 22:18:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:18:21,904 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:18:21,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 4.025477707006369) internal successors, (632), 156 states have internal predecessors, (632), 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) [2022-03-16 22:18:21,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:18:21,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:18:46,509 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4179 transitions and produced 3732 states. [2022-03-16 22:18:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:18:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:18:46,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:18:46,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:18:46,711 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:18:46,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:18:46,712 INFO L85 PathProgramCache]: Analyzing trace with hash -205873759, now seen corresponding path program 3 times [2022-03-16 22:18:46,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:18:46,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017181321] [2022-03-16 22:18:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:18:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:18:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:18:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 112246 backedges. 16596 proven. 78817 refuted. 0 times theorem prover too weak. 16833 trivial. 0 not checked. [2022-03-16 22:18:48,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:18:48,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017181321] [2022-03-16 22:18:48,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017181321] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:18:48,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243130838] [2022-03-16 22:18:48,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:18:48,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:18:48,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:18:48,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:18:48,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:18:54,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 244 check-sat command(s) [2022-03-16 22:18:54,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:18:54,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 2005 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-16 22:18:54,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:18:59,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 22:18:59,581 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 22:18:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 112246 backedges. 16596 proven. 78817 refuted. 0 times theorem prover too weak. 16833 trivial. 0 not checked. [2022-03-16 22:18:59,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:19:01,530 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-16 22:19:01,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-16 22:19:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 112246 backedges. 16596 proven. 78817 refuted. 0 times theorem prover too weak. 16833 trivial. 0 not checked. [2022-03-16 22:19:01,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243130838] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:19:01,681 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:19:01,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 61 [2022-03-16 22:19:01,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943476888] [2022-03-16 22:19:01,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:19:01,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-03-16 22:19:01,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:19:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-03-16 22:19:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=3616, Unknown=0, NotChecked=0, Total=3782 [2022-03-16 22:19:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:19:01,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:19:01,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.725806451612903) internal successors, (417), 61 states have internal predecessors, (417), 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) [2022-03-16 22:19:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:19:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:19:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:19:03,899 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4650 transitions and produced 4174 states. [2022-03-16 22:19:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:19:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:19:03,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:19:03,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 22:19:04,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:19:04,101 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:19:04,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:19:04,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1477748595, now seen corresponding path program 4 times [2022-03-16 22:19:04,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:19:04,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516542895] [2022-03-16 22:19:04,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:19:04,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:19:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:19:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 138379 backedges. 18576 proven. 103426 refuted. 0 times theorem prover too weak. 16377 trivial. 0 not checked. [2022-03-16 22:19:05,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:19:05,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516542895] [2022-03-16 22:19:05,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516542895] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:19:05,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92927829] [2022-03-16 22:19:05,623 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:19:05,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:19:05,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:19:05,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:19:05,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:19:06,007 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:19:06,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:19:06,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 644 conjunts are in the unsatisfiable core [2022-03-16 22:19:06,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:19:48,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 22:19:48,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-16 22:19:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 138379 backedges. 18576 proven. 118950 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-03-16 22:19:48,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:19:53,964 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-16 22:19:53,965 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-03-16 22:19:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 138379 backedges. 18576 proven. 103426 refuted. 0 times theorem prover too weak. 16377 trivial. 0 not checked. [2022-03-16 22:19:54,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92927829] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:19:54,137 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:19:54,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 293, 37] total 329 [2022-03-16 22:19:54,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485948196] [2022-03-16 22:19:54,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:19:54,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 330 states [2022-03-16 22:19:54,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:19:54,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 330 interpolants. [2022-03-16 22:19:54,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=950, Invalid=107620, Unknown=0, NotChecked=0, Total=108570 [2022-03-16 22:19:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:19:54,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:19:54,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 330 states, 330 states have (on average 3.687878787878788) internal successors, (1217), 329 states have internal predecessors, (1217), 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) [2022-03-16 22:19:54,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:19:54,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:19:54,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:19:54,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:22:02,082 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7505 transitions and produced 6553 states. [2022-03-16 22:22:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:22:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:22:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:22:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2022-03-16 22:22:02,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 22:22:02,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:22:02,284 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:22:02,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:22:02,284 INFO L85 PathProgramCache]: Analyzing trace with hash 964125528, now seen corresponding path program 5 times [2022-03-16 22:22:02,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:22:02,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659935175] [2022-03-16 22:22:02,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:22:02,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:22:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:22:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 349335 backedges. 30390 proven. 228944 refuted. 0 times theorem prover too weak. 90001 trivial. 0 not checked. [2022-03-16 22:22:05,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:22:05,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659935175] [2022-03-16 22:22:05,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659935175] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:22:05,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18856486] [2022-03-16 22:22:05,363 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:22:05,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:22:05,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:22:05,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:22:05,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 22:22:53,457 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 483 check-sat command(s) [2022-03-16 22:22:53,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:22:53,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 3757 conjuncts, 364 conjunts are in the unsatisfiable core [2022-03-16 22:22:53,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:23:19,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 22:23:19,567 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-16 22:23:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 349335 backedges. 30390 proven. 300414 refuted. 0 times theorem prover too weak. 18531 trivial. 0 not checked. [2022-03-16 22:23:19,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:23:25,268 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-16 22:23:25,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-03-16 22:23:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 349335 backedges. 30390 proven. 228944 refuted. 0 times theorem prover too weak. 90001 trivial. 0 not checked. [2022-03-16 22:23:25,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18856486] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:23:25,490 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:23:25,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 183, 43] total 225 [2022-03-16 22:23:25,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503658630] [2022-03-16 22:23:25,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:23:25,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 226 states [2022-03-16 22:23:25,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:23:25,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2022-03-16 22:23:25,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=50058, Unknown=0, NotChecked=0, Total=50850 [2022-03-16 22:23:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:23:25,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:23:25,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 226 states, 226 states have (on average 4.420353982300885) internal successors, (999), 225 states have internal predecessors, (999), 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) [2022-03-16 22:23:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:23:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:23:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:23:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2022-03-16 22:23:25,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:24:23,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7976 transitions and produced 6995 states. [2022-03-16 22:24:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:24:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:24:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:24:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2022-03-16 22:24:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-03-16 22:24:23,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 22:24:23,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:24:23,982 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:24:23,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:24:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash -873241418, now seen corresponding path program 6 times [2022-03-16 22:24:23,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:24:23,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536656617] [2022-03-16 22:24:23,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:24:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:24:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:24:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 394368 backedges. 32370 proven. 273740 refuted. 0 times theorem prover too weak. 88258 trivial. 0 not checked. [2022-03-16 22:24:27,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:24:27,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536656617] [2022-03-16 22:24:27,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536656617] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:24:27,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486929487] [2022-03-16 22:24:27,271 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 22:24:27,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:24:27,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:24:27,272 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:24:27,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 22:24:31,787 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 486 check-sat command(s) [2022-03-16 22:24:31,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:24:31,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 3795 conjuncts, 66 conjunts are in the unsatisfiable core [2022-03-16 22:24:31,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:24:36,281 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 22:24:37,681 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 22:24:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 394368 backedges. 0 proven. 258510 refuted. 0 times theorem prover too weak. 135858 trivial. 0 not checked. [2022-03-16 22:24:37,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:24:38,917 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 22:24:38,917 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-03-16 22:24:42,652 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 22:24:42,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-03-16 22:24:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 394368 backedges. 0 proven. 258510 refuted. 0 times theorem prover too weak. 135858 trivial. 0 not checked. [2022-03-16 22:24:42,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486929487] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:24:42,835 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:24:42,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 35, 35] total 83 [2022-03-16 22:24:42,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901935527] [2022-03-16 22:24:42,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:24:42,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-03-16 22:24:42,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:24:42,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-03-16 22:24:42,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=6799, Unknown=0, NotChecked=0, Total=6972 [2022-03-16 22:24:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:24:42,838 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:24:42,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.380952380952381) internal successors, (452), 83 states have internal predecessors, (452), 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) [2022-03-16 22:24:42,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:24:42,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:24:42,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:24:42,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2022-03-16 22:24:42,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2022-03-16 22:24:42,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:24:51,694 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8928 transitions and produced 7744 states. [2022-03-16 22:24:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:24:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:24:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:24:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2022-03-16 22:24:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-03-16 22:24:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-16 22:24:51,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 22:24:51,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:24:51,911 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:24:51,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:24:51,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1517522635, now seen corresponding path program 7 times [2022-03-16 22:24:51,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:24:51,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102117514] [2022-03-16 22:24:51,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:24:51,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:24:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:24:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 534612 backedges. 118651 proven. 321254 refuted. 0 times theorem prover too weak. 94707 trivial. 0 not checked. [2022-03-16 22:24:56,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:24:56,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102117514] [2022-03-16 22:24:56,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102117514] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:24:56,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375659999] [2022-03-16 22:24:56,399 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 22:24:56,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:24:56,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:24:56,400 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:24:56,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 22:24:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:24:57,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 4696 conjuncts, 1248 conjunts are in the unsatisfiable core [2022-03-16 22:24:57,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:27:14,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 22:27:14,772 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-16 22:27:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 534612 backedges. 118651 proven. 406943 refuted. 0 times theorem prover too weak. 9018 trivial. 0 not checked. [2022-03-16 22:27:15,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:27:29,472 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-16 22:27:29,472 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-03-16 22:27:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 534612 backedges. 118651 proven. 321254 refuted. 0 times theorem prover too weak. 94707 trivial. 0 not checked. [2022-03-16 22:27:29,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375659999] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:27:29,748 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:27:29,748 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 541, 55] total 595 [2022-03-16 22:27:29,748 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375662622] [2022-03-16 22:27:29,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:27:29,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 596 states [2022-03-16 22:27:29,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:27:29,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 596 interpolants. [2022-03-16 22:27:29,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1730, Invalid=352890, Unknown=0, NotChecked=0, Total=354620 [2022-03-16 22:27:29,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:27:29,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:27:29,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 596 states, 596 states have (on average 3.5620805369127515) internal successors, (2123), 595 states have internal predecessors, (2123), 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) [2022-03-16 22:27:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 22:27:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-03-16 22:27:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 22:27:29,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2022-03-16 22:27:29,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2022-03-16 22:27:29,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-03-16 22:27:29,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 22:30:29,318 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:30:29,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:30:29,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:30:29,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 22:30:29,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-16 22:30:29,555 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 782 known predicates. [2022-03-16 22:30:29,558 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 22:30:29,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 22:30:29,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 22:30:29,559 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 22:30:29,564 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-16 22:30:29,565 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:30:29,565 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:30:29,567 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:30:29 BasicIcfg [2022-03-16 22:30:29,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:30:29,568 INFO L158 Benchmark]: Toolchain (without parser) took 746353.29ms. Allocated memory was 199.2MB in the beginning and 858.8MB in the end (delta: 659.6MB). Free memory was 164.2MB in the beginning and 121.4MB in the end (delta: 42.8MB). Peak memory consumption was 703.0MB. Max. memory is 8.0GB. [2022-03-16 22:30:29,568 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:30:29,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.11ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 162.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:30:29,568 INFO L158 Benchmark]: Boogie Preprocessor took 10.93ms. Allocated memory is still 199.2MB. Free memory was 162.6MB in the beginning and 161.7MB in the end (delta: 924.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 22:30:29,569 INFO L158 Benchmark]: RCFGBuilder took 221.14ms. Allocated memory is still 199.2MB. Free memory was 161.5MB in the beginning and 151.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 22:30:29,569 INFO L158 Benchmark]: TraceAbstraction took 746070.51ms. Allocated memory was 199.2MB in the beginning and 858.8MB in the end (delta: 659.6MB). Free memory was 150.9MB in the beginning and 121.4MB in the end (delta: 29.5MB). Peak memory consumption was 690.5MB. Max. memory is 8.0GB. [2022-03-16 22:30:29,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.11ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 162.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.93ms. Allocated memory is still 199.2MB. Free memory was 162.6MB in the beginning and 161.7MB in the end (delta: 924.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 221.14ms. Allocated memory is still 199.2MB. Free memory was 161.5MB in the beginning and 151.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 746070.51ms. Allocated memory was 199.2MB in the beginning and 858.8MB in the end (delta: 659.6MB). Free memory was 150.9MB in the beginning and 121.4MB in the end (delta: 29.5MB). Peak memory consumption was 690.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 782 known predicates. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 782 known predicates. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 782 known predicates. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 782 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 746.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 402.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 890, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 68.0s SatisfiabilityAnalysisTime, 273.0s InterpolantComputationTime, 16588 NumberOfCodeBlocks, 16407 NumberOfCodeBlocksAsserted, 1225 NumberOfCheckSat, 24861 ConstructedInterpolants, 1733 QuantifiedInterpolants, 221685 SizeOfPredicates, 22 NumberOfNonLiveVariables, 19164 ConjunctsInSsa, 2736 ConjunctsInUnsatCore, 21 InterpolantComputations, 0 PerfectInterpolantSequences, 1482136/4759086 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown