/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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 01:40:18,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 01:40:18,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 01:40:18,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 01:40:18,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 01:40:18,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 01:40:18,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 01:40:18,712 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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-25 01:40:18,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 01:40:18,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 01:40:18,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 01:40:18,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 01:40:18,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 01:40:18,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 01:40:18,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 01:40:18,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:40:18,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 01:40:18,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 01:40:18,729 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 01:40:18,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 01:40:18,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 01:40:18,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 01:40:18,902 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 01:40:18,904 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 01:40:18,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-10-25 01:40:18,904 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-10-25 01:40:18,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 01:40:18,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 01:40:18,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 01:40:18,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 01:40:18,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 01:40:18,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 01:40:18,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 01:40:18,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 01:40:18,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 01:40:18,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 01:40:18,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 01:40:18,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 01:40:18,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 01:40:18,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/1) ... [2021-10-25 01:40:18,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:40:18,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:40:18,994 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) [2021-10-25 01:40:19,013 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 [2021-10-25 01:40:19,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 01:40:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 01:40:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 01:40:19,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 01:40:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 01:40:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 01:40:19,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 01:40:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 01:40:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 01:40:19,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 01:40:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 01:40:19,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 01:40:19,031 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 01:40:19,301 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 01:40:19,303 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 01:40:19,305 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:40:19 BoogieIcfgContainer [2021-10-25 01:40:19,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 01:40:19,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 01:40:19,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 01:40:19,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 01:40:19,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:40:18" (1/2) ... [2021-10-25 01:40:19,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44512597 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:40:19, skipping insertion in model container [2021-10-25 01:40:19,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:40:19" (2/2) ... [2021-10-25 01:40:19,312 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-10-25 01:40:19,315 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 01:40:19,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 01:40:19,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 01:40:19,316 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 01:40:19,355 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-25 01:40:19,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 01:40:19,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:40:19,385 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) [2021-10-25 01:40:19,386 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 [2021-10-25 01:40:19,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 01:40:19,413 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-25 01:40:19,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 01:40:19,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:40:19,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:40:19,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1290785719, now seen corresponding path program 1 times [2021-10-25 01:40:19,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:40:19,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527774581] [2021-10-25 01:40:19,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:40:19,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:40:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:40:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-25 01:40:19,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:40:19,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527774581] [2021-10-25 01:40:19,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527774581] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:19,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637420663] [2021-10-25 01:40:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:40:19,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:40:19,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:40:19,760 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) [2021-10-25 01:40:19,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 01:40:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:40:19,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-25 01:40:19,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:40:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-25 01:40:20,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637420663] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 01:40:20,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-25 01:40:20,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-25 01:40:20,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618330479] [2021-10-25 01:40:20,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-25 01:40:20,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:40:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-25 01:40:20,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-25 01:40:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:20,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:40:20,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-25 01:40:20,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:20,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 01:40:20,341 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 [2021-10-25 01:40:20,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:40:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:40:20,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1642420929, now seen corresponding path program 2 times [2021-10-25 01:40:20,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:40:20,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396550032] [2021-10-25 01:40:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:40:20,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:40:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:40:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 01:40:20,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:40:20,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396550032] [2021-10-25 01:40:20,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396550032] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:20,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482852540] [2021-10-25 01:40:20,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 01:40:20,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:40:20,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:40:20,419 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) [2021-10-25 01:40:20,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 01:40:20,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 01:40:20,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:40:20,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-25 01:40:20,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:40:20,617 INFO L388 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 [2021-10-25 01:40:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 01:40:20,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482852540] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:20,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:40:20,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-25 01:40:20,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700010630] [2021-10-25 01:40:20,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 01:40:20,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:40:20,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 01:40:20,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-25 01:40:20,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:20,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:40:20,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-10-25 01:40:20,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:20,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 01:40:20,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-25 01:40:21,027 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 [2021-10-25 01:40:21,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:40:21,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:40:21,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1004064518, now seen corresponding path program 3 times [2021-10-25 01:40:21,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:40:21,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409069001] [2021-10-25 01:40:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:40:21,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:40:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:40:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 21 proven. 142 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 01:40:22,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:40:22,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409069001] [2021-10-25 01:40:22,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409069001] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:22,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620435171] [2021-10-25 01:40:22,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 01:40:22,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:40:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:40:22,404 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) [2021-10-25 01:40:22,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 01:40:22,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-25 01:40:22,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:40:22,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-25 01:40:22,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:40:24,570 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-25 01:40:24,570 INFO L388 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 156 treesize of output 142 [2021-10-25 01:40:25,273 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-10-25 01:40:25,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 16 [2021-10-25 01:40:25,414 INFO L388 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 [2021-10-25 01:40:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 23 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 01:40:25,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620435171] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:25,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:40:25,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23] total 49 [2021-10-25 01:40:25,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119262987] [2021-10-25 01:40:25,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-10-25 01:40:25,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:40:25,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-10-25 01:40:25,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=2141, Unknown=0, NotChecked=0, Total=2450 [2021-10-25 01:40:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:25,488 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:40:25,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.98) internal successors, (149), 49 states have internal predecessors, (149), 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) [2021-10-25 01:40:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 01:40:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 01:40:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 01:40:27,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 01:40:28,019 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 [2021-10-25 01:40:28,020 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:40:28,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:40:28,020 INFO L82 PathProgramCache]: Analyzing trace with hash 760742358, now seen corresponding path program 4 times [2021-10-25 01:40:28,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:40:28,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649551039] [2021-10-25 01:40:28,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:40:28,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:40:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:40:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 139 proven. 307 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-25 01:40:29,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:40:29,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649551039] [2021-10-25 01:40:29,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649551039] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:29,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094982894] [2021-10-25 01:40:29,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 01:40:29,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:40:29,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:40:29,086 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) [2021-10-25 01:40:29,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 01:40:29,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 01:40:29,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:40:29,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-25 01:40:29,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:40:35,682 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-25 01:40:35,683 INFO L388 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 248 treesize of output 234 [2021-10-25 01:40:36,884 INFO L354 Elim1Store]: treesize reduction 520, result has 0.6 percent of original size [2021-10-25 01:40:36,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 260 treesize of output 153 [2021-10-25 01:40:37,154 INFO L388 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 15 treesize of output 7 [2021-10-25 01:40:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 142 proven. 304 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-25 01:40:37,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094982894] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:40:37,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:40:37,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 49 [2021-10-25 01:40:37,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692566594] [2021-10-25 01:40:37,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-10-25 01:40:37,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:40:37,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-10-25 01:40:37,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=2155, Unknown=0, NotChecked=0, Total=2450 [2021-10-25 01:40:37,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:37,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:40:37,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.62) internal successors, (181), 49 states have internal predecessors, (181), 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) [2021-10-25 01:40:37,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:37,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 01:40:37,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 01:40:37,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:40:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 01:40:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 01:40:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 01:40:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-25 01:40:40,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-25 01:40:40,611 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 [2021-10-25 01:40:40,611 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:40:40,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:40:40,612 INFO L82 PathProgramCache]: Analyzing trace with hash -356105125, now seen corresponding path program 5 times [2021-10-25 01:40:40,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:40:40,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917004939] [2021-10-25 01:40:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:40:40,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:40:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-25 01:54:54,742 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 [2021-10-25 01:54:54,748 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 01:54:54,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-25 01:54:54,748 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-6-2-4-2-4-1 context. [2021-10-25 01:54:54,749 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 01:54:54,750 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 01:54:54,750 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 01:54:54,756 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 01:54:54,756 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 01:54:54,757 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 [2021-10-25 01:54:54,771 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:54:54 BasicIcfg [2021-10-25 01:54:54,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 01:54:54,772 INFO L168 Benchmark]: Toolchain (without parser) took 875849.63 ms. Allocated memory was 195.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 153.2 MB in the beginning and 844.6 MB in the end (delta: -691.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-10-25 01:54:54,773 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.08 ms. Allocated memory is still 195.0 MB. Free memory is still 154.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 01:54:54,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.85 ms. Allocated memory is still 195.0 MB. Free memory was 153.0 MB in the beginning and 151.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 01:54:54,773 INFO L168 Benchmark]: Boogie Preprocessor took 20.66 ms. Allocated memory is still 195.0 MB. Free memory was 151.5 MB in the beginning and 150.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 01:54:54,773 INFO L168 Benchmark]: RCFGBuilder took 335.60 ms. Allocated memory is still 195.0 MB. Free memory was 150.5 MB in the beginning and 131.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-10-25 01:54:54,774 INFO L168 Benchmark]: TraceAbstraction took 875465.09 ms. Allocated memory was 195.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 130.5 MB in the beginning and 844.6 MB in the end (delta: -714.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-10-25 01:54:54,775 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 0.08 ms. Allocated memory is still 195.0 MB. Free memory is still 154.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.85 ms. Allocated memory is still 195.0 MB. Free memory was 153.0 MB in the beginning and 151.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.66 ms. Allocated memory is still 195.0 MB. Free memory was 151.5 MB in the beginning and 150.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 335.60 ms. Allocated memory is still 195.0 MB. Free memory was 150.5 MB in the beginning and 131.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 875465.09 ms. Allocated memory was 195.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 130.5 MB in the beginning and 844.6 MB in the end (delta: -714.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2713, positive: 2367, positive conditional: 1699, positive unconditional: 668, negative: 346, negative conditional: 342, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2411, positive: 2367, positive conditional: 0, positive unconditional: 2367, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 504, positive: 500, positive conditional: 0, positive unconditional: 500, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 504, positive: 496, positive conditional: 0, positive unconditional: 496, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2411, positive: 1867, positive conditional: 0, positive unconditional: 1867, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 504, unknown conditional: 0, unknown unconditional: 504] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 500, Positive conditional cache size: 0, Positive unconditional cache size: 500, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 302 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 104, Number of persistent set computation: 117, Number of trivial persistent sets: 46, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2713, positive: 2367, positive conditional: 1699, positive unconditional: 668, negative: 346, negative conditional: 342, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2411, positive: 2367, positive conditional: 0, positive unconditional: 2367, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 504, positive: 500, positive conditional: 0, positive unconditional: 500, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 504, positive: 496, positive conditional: 0, positive unconditional: 496, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2411, positive: 1867, positive conditional: 0, positive unconditional: 1867, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 504, unknown conditional: 0, unknown unconditional: 504] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 500, Positive conditional cache size: 0, Positive unconditional cache size: 500, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 302 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-6-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-6-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-6-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 156 with TraceHistMax 22,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-44-2-38-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-37-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-36-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-35-2-34-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-33-2-32-2-30-2-30-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-29-2-28-2-27-2-27-2-26-2-25-2-25-2-16-2-15-2-15-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-7-2-7-2-6-2-6-2-4-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-6-2-6-2-4-2-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 875372.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 5733.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 56.4ms SsaConstructionTime, 484.7ms SatisfiabilityAnalysisTime, 13569.2ms InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 14266 SizeOfPredicates, 32 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 449/1370 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