/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-more/min-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 01:49:53,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 01:49:53,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 01:49:53,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 01:49:53,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 01:49:53,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 01:49:53,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 01:49:53,201 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 01:49:53,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 01:49:53,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 01:49:53,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 01:49:53,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 01:49:53,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 01:49:53,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 01:49:53,233 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 01:49:53,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 01:49:53,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 01:49:53,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 01:49:53,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 01:49:53,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 01:49:53,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:49:53,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 01:49:53,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 01:49:53,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 01:49:53,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 01:49:53,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 01:49:53,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 01:49:53,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 01:49:53,481 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 01:49:53,486 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 01:49:53,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array.wvr.bpl [2021-10-25 01:49:53,487 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array.wvr.bpl' [2021-10-25 01:49:53,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 01:49:53,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 01:49:53,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 01:49:53,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 01:49:53,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 01:49:53,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 01:49:53,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 01:49:53,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 01:49:53,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 01:49:53,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 01:49:53,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 01:49:53,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 01:49:53,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 01:49:53,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/1) ... [2021-10-25 01:49:53,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:49:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:53,605 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 01:49:53,610 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 01:49:53,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 01:49:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 01:49:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 01:49:53,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 01:49:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 01:49:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 01:49:53,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 01:49:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 01:49:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 01:49:53,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 01:49:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 01:49:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 01:49:53,644 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 01:49:53,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 01:49:53,785 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 01:49:53,787 INFO L202 PluginConnector]: Adding new model min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:49:53 BoogieIcfgContainer [2021-10-25 01:49:53,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 01:49:53,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 01:49:53,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 01:49:53,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 01:49:53,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:49:53" (1/2) ... [2021-10-25 01:49:53,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f0ae6d and model type min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:49:53, skipping insertion in model container [2021-10-25 01:49:53,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:49:53" (2/2) ... [2021-10-25 01:49:53,803 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array.wvr.bpl [2021-10-25 01:49:53,807 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 01:49:53,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 01:49:53,807 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 01:49:53,807 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 01:49:53,850 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-25 01:49:53,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 01:49:53,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:53,907 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 01:49:53,914 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 01:49:53,948 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 01:49:53,953 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 01:49:53,953 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 01:49:54,068 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:49:54,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:49:54,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1258162814, now seen corresponding path program 1 times [2021-10-25 01:49:54,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:49:54,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107148940] [2021-10-25 01:49:54,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:49:54,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:49:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:49:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 01:49:54,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:49:54,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107148940] [2021-10-25 01:49:54,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107148940] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:54,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889611715] [2021-10-25 01:49:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:49:54,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:49:54,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:54,300 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 01:49:54,338 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 01:49:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:49:54,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 01:49:54,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:49:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 01:49:54,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889611715] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:54,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:49:54,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-10-25 01:49:54,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525496656] [2021-10-25 01:49:54,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 01:49:54,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:49:54,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 01:49:54,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-25 01:49:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:54,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:49:54,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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 01:49:54,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:49:55,025 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 01:49:55,203 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 01:49:55,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:49:55,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:49:55,205 INFO L82 PathProgramCache]: Analyzing trace with hash -538278918, now seen corresponding path program 2 times [2021-10-25 01:49:55,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:49:55,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188418699] [2021-10-25 01:49:55,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:49:55,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:49:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:49:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 01:49:55,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:49:55,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188418699] [2021-10-25 01:49:55,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188418699] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:55,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303956080] [2021-10-25 01:49:55,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 01:49:55,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:49:55,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:55,339 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 01:49:55,370 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 01:49:55,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 01:49:55,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:49:55,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-25 01:49:55,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:49:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 01:49:55,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303956080] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:55,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:49:55,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-10-25 01:49:55,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068793865] [2021-10-25 01:49:55,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 01:49:55,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:49:55,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 01:49:55,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-10-25 01:49:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:55,683 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:49:55,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 01:49:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:49:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:55,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:49:55,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:49:55,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 01:49:56,187 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 01:49:56,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:49:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:49:56,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1818381336, now seen corresponding path program 3 times [2021-10-25 01:49:56,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:49:56,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030065543] [2021-10-25 01:49:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:49:56,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:49:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:49:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 01:49:56,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:49:56,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030065543] [2021-10-25 01:49:56,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030065543] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:56,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872899586] [2021-10-25 01:49:56,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 01:49:56,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:49:56,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:56,304 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 01:49:56,334 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 01:49:56,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-25 01:49:56,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:49:56,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 01:49:56,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:49:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 01:49:56,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872899586] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:56,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:49:56,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-10-25 01:49:56,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299114580] [2021-10-25 01:49:56,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 01:49:56,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:49:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 01:49:56,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-10-25 01:49:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:56,720 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:49:56,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 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 01:49:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:49:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:49:56,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:57,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:49:57,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:49:57,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 01:49:57,313 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 01:49:57,510 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 01:49:57,511 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:49:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:49:57,511 INFO L82 PathProgramCache]: Analyzing trace with hash 712863214, now seen corresponding path program 4 times [2021-10-25 01:49:57,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:49:57,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509045457] [2021-10-25 01:49:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:49:57,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:49:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:49:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 01:49:57,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:49:57,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509045457] [2021-10-25 01:49:57,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509045457] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:57,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094798716] [2021-10-25 01:49:57,661 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 01:49:57,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:49:57,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:57,662 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 01:49:57,671 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 01:49:57,757 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 01:49:57,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:49:57,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-25 01:49:57,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:49:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 01:49:58,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094798716] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:58,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:49:58,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-10-25 01:49:58,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164484066] [2021-10-25 01:49:58,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 01:49:58,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:49:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 01:49:58,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-10-25 01:49:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:58,135 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:49:58,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 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 01:49:58,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:49:58,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:49:58,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 01:49:58,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:49:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:49:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 01:49:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 01:49:58,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 01:49:58,775 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 01:49:58,776 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:49:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:49:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2100013066, now seen corresponding path program 5 times [2021-10-25 01:49:58,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:49:58,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132762237] [2021-10-25 01:49:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:49:58,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:49:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:49:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 01:49:58,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:49:58,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132762237] [2021-10-25 01:49:58,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132762237] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:58,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841810625] [2021-10-25 01:49:58,985 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 01:49:58,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:49:58,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:49:58,986 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) [2021-10-25 01:49:58,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 01:49:59,132 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-25 01:49:59,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:49:59,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-25 01:49:59,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:49:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 01:49:59,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841810625] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:49:59,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:49:59,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-10-25 01:49:59,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313692214] [2021-10-25 01:49:59,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 01:49:59,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:49:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 01:49:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-10-25 01:49:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:49:59,510 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:49:59,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4285714285714284) internal successors, (72), 21 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 01:49:59,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:49:59,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:49:59,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 01:49:59,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 01:49:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:50:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 01:50:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 01:50:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 01:50:00,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-25 01:50:00,599 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 [2021-10-25 01:50:00,600 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:00,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:00,600 INFO L82 PathProgramCache]: Analyzing trace with hash 696109600, now seen corresponding path program 6 times [2021-10-25 01:50:00,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:00,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404132625] [2021-10-25 01:50:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:00,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-25 02:04:22,691 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 02:04:22,691 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 02:04:22,692 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 02:04:22,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-25 02:04:22,693 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2021-10-25 02:04:22,695 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 02:04:22,695 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 02:04:22,695 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 02:04:22,709 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 02:04:22,709 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 02:04:22,711 INFO L202 PluginConnector]: Adding new model min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:04:22 BasicIcfg [2021-10-25 02:04:22,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 02:04:22,713 INFO L168 Benchmark]: Toolchain (without parser) took 869189.93 ms. Allocated memory was 188.7 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 148.1 MB in the beginning and 1.1 GB in the end (delta: -977.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-10-25 02:04:22,713 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 188.7 MB. Free memory is still 149.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 02:04:22,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.18 ms. Allocated memory is still 188.7 MB. Free memory was 148.0 MB in the beginning and 146.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 02:04:22,714 INFO L168 Benchmark]: Boogie Preprocessor took 23.99 ms. Allocated memory is still 188.7 MB. Free memory was 146.5 MB in the beginning and 145.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 02:04:22,714 INFO L168 Benchmark]: RCFGBuilder took 212.78 ms. Allocated memory is still 188.7 MB. Free memory was 145.5 MB in the beginning and 132.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-25 02:04:22,714 INFO L168 Benchmark]: TraceAbstraction took 868923.26 ms. Allocated memory was 188.7 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 132.2 MB in the beginning and 1.1 GB in the end (delta: -993.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-10-25 02:04:22,716 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 0.13 ms. Allocated memory is still 188.7 MB. Free memory is still 149.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.18 ms. Allocated memory is still 188.7 MB. Free memory was 148.0 MB in the beginning and 146.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.99 ms. Allocated memory is still 188.7 MB. Free memory was 146.5 MB in the beginning and 145.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 212.78 ms. Allocated memory is still 188.7 MB. Free memory was 145.5 MB in the beginning and 132.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 868923.26 ms. Allocated memory was 188.7 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 132.2 MB in the beginning and 1.1 GB in the end (delta: -993.2 MB). Peak memory consumption was 1.5 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: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 0, positive unconditional: 1261, 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: 278, positive: 278, positive conditional: 0, positive unconditional: 278, 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: 278, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 79, Number of persistent set computation: 59, Number of trivial persistent sets: 21, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 0, positive unconditional: 1261, 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: 278, positive: 278, positive conditional: 0, positive unconditional: 278, 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: 278, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241 - 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 868810.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 2503.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 139, 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: 57.8ms SsaConstructionTime, 214.4ms SatisfiabilityAnalysisTime, 2307.8ms InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 15 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 0 PerfectInterpolantSequences, 154/486 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