/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-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:53:57,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:53:57,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:53:57,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:53:57,274 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-NoLbe-Lockstep.epf [2021-08-23 01:53:57,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:53:57,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:53:57,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:53:57,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:53:57,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:53:57,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:53:57,302 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:53:57,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:53:57,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:53:57,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:53:57,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:53:57,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:53:57,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:53:57,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:53:57,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:53:57,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:53:57,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:53:57,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:53:57,573 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:53:57,576 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:53:57,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2021-08-23 01:53:57,577 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2021-08-23 01:53:57,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:53:57,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:53:57,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:53:57,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:53:57,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:53:57,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:53:57,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:53:57,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:53:57,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:53:57,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:53:57,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:53:57,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:53:57,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:53:57,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/1) ... [2021-08-23 01:53:57,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:53:57,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:53:57,662 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) [2021-08-23 01:53:57,667 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 [2021-08-23 01:53:57,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:53:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:53:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:53:57,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:53:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:53:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:53:57,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:53:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:53:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:53:57,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:53:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:53:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:53:57,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 01:53:57,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:53:57,863 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 01:53:57,864 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:53:57 BoogieIcfgContainer [2021-08-23 01:53:57,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:53:57,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:53:57,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:53:57,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:53:57,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:53:57" (1/2) ... [2021-08-23 01:53:57,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46caf03a and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:53:57, skipping insertion in model container [2021-08-23 01:53:57,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:53:57" (2/2) ... [2021-08-23 01:53:57,869 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2021-08-23 01:53:57,872 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:53:57,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:53:57,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:53:57,872 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:53:57,949 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 01:53:57,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:53:57,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:53:57,993 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) [2021-08-23 01:53:57,995 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 [2021-08-23 01:53:58,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:53:58,029 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 [2021-08-23 01:53:58,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 01:53:58,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:53:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:53:58,200 INFO L82 PathProgramCache]: Analyzing trace with hash -126280981, now seen corresponding path program 1 times [2021-08-23 01:53:58,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:53:58,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098559897] [2021-08-23 01:53:58,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:53:58,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:53:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:53:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 01:53:58,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:53:58,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098559897] [2021-08-23 01:53:58,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098559897] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:53:58,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076853780] [2021-08-23 01:53:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:53:58,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:53:58,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:53:58,491 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) [2021-08-23 01:53:58,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 01:53:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:53:58,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-23 01:53:58,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:53:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 01:53:58,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076853780] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:53:58,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:53:58,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-08-23 01:53:58,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82169818] [2021-08-23 01:53:58,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-23 01:53:58,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:53:58,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-23 01:53:58,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-23 01:53:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:53:58,820 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:53:58,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 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) [2021-08-23 01:53:58,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:53:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:53:58,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-23 01:53:59,163 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 [2021-08-23 01:53:59,163 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:53:59,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:53:59,164 INFO L82 PathProgramCache]: Analyzing trace with hash 2057804913, now seen corresponding path program 2 times [2021-08-23 01:53:59,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:53:59,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109584590] [2021-08-23 01:53:59,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:53:59,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:53:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:53:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:53:59,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:53:59,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109584590] [2021-08-23 01:53:59,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109584590] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:53:59,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880422579] [2021-08-23 01:53:59,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:53:59,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:53:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:53:59,242 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) [2021-08-23 01:53:59,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 01:53:59,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:53:59,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:53:59,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-23 01:53:59,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:53:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 01:53:59,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880422579] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:53:59,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:53:59,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-08-23 01:53:59,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934150414] [2021-08-23 01:53:59,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-23 01:53:59,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:53:59,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-23 01:53:59,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-23 01:53:59,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:53:59,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:53:59,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 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) [2021-08-23 01:53:59,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:53:59,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:53:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:53:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:53:59,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 01:53:59,938 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 [2021-08-23 01:53:59,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:53:59,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:53:59,939 INFO L82 PathProgramCache]: Analyzing trace with hash 996979814, now seen corresponding path program 3 times [2021-08-23 01:53:59,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:53:59,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487469572] [2021-08-23 01:53:59,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:53:59,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:53:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:54:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 01:54:00,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:54:00,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487469572] [2021-08-23 01:54:00,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487469572] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:00,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732625466] [2021-08-23 01:54:00,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:54:00,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:54:00,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:54:00,079 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) [2021-08-23 01:54:00,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 01:54:00,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-23 01:54:00,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:54:00,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-23 01:54:00,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:54:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 01:54:00,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732625466] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:00,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:54:00,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-08-23 01:54:00,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729145077] [2021-08-23 01:54:00,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 01:54:00,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:54:00,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 01:54:00,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-08-23 01:54:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:54:00,503 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:54:00,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 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) [2021-08-23 01:54:00,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:54:00,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:54:00,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:54:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:54:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:54:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-23 01:54:01,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-23 01:54:01,201 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 [2021-08-23 01:54:01,202 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:54:01,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:54:01,202 INFO L82 PathProgramCache]: Analyzing trace with hash -766427224, now seen corresponding path program 4 times [2021-08-23 01:54:01,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:54:01,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766566489] [2021-08-23 01:54:01,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:54:01,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:54:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:54:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 01:54:02,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:54:02,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766566489] [2021-08-23 01:54:02,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766566489] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:02,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642215872] [2021-08-23 01:54:02,571 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:54:02,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:54:02,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:54:02,572 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) [2021-08-23 01:54:02,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 01:54:02,693 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:54:02,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:54:02,694 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-23 01:54:02,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:54:05,353 INFO L354 Elim1Store]: treesize reduction 320, result has 3.9 percent of original size [2021-08-23 01:54:05,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 34 case distinctions, treesize of input 61 treesize of output 39 [2021-08-23 01:54:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:54:05,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642215872] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:05,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:54:05,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-08-23 01:54:05,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125271698] [2021-08-23 01:54:05,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-08-23 01:54:05,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:54:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-08-23 01:54:05,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=3533, Unknown=0, NotChecked=0, Total=3782 [2021-08-23 01:54:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:54:05,443 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:54:05,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.8064516129032258) internal successors, (112), 62 states have internal predecessors, (112), 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) [2021-08-23 01:54:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:54:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:54:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-23 01:54:05,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:54:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:54:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:54:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-23 01:54:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-23 01:54:14,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 01:54:14,625 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 [2021-08-23 01:54:14,626 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:54:14,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:54:14,626 INFO L82 PathProgramCache]: Analyzing trace with hash 102545670, now seen corresponding path program 5 times [2021-08-23 01:54:14,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:54:14,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009358898] [2021-08-23 01:54:14,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:54:14,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:54:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:54:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 100 proven. 215 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 01:54:14,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:54:14,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009358898] [2021-08-23 01:54:14,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009358898] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:14,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094969041] [2021-08-23 01:54:14,835 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:54:14,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:54:14,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:54:14,835 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) [2021-08-23 01:54:14,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 01:54:15,045 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-23 01:54:15,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:54:15,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-23 01:54:15,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:54:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 113 proven. 200 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 01:54:15,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094969041] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:15,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:54:15,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 33 [2021-08-23 01:54:15,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372137998] [2021-08-23 01:54:15,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-23 01:54:15,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:54:15,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-23 01:54:15,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=844, Unknown=0, NotChecked=0, Total=1056 [2021-08-23 01:54:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:54:15,801 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:54:15,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.696969696969697) internal successors, (155), 33 states have internal predecessors, (155), 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) [2021-08-23 01:54:15,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:54:15,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:54:15,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-08-23 01:54:15,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-08-23 01:54:15,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:54:16,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:54:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-23 01:54:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-23 01:54:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-08-23 01:54:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-23 01:54:16,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 01:54:16,785 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 [2021-08-23 01:54:16,786 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:54:16,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:54:16,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1769351708, now seen corresponding path program 6 times [2021-08-23 01:54:16,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:54:16,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712620504] [2021-08-23 01:54:16,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:54:16,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:54:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:54:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 58 proven. 561 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-08-23 01:54:20,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:54:20,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712620504] [2021-08-23 01:54:20,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712620504] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:54:20,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134109431] [2021-08-23 01:54:20,490 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:54:20,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:54:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:54:20,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:54:20,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 01:54:20,809 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-08-23 01:54:20,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:54:20,812 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 149 conjunts are in the unsatisfiable core [2021-08-23 01:54:20,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:54:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:32,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:54:40,103 WARN L207 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 1275 DAG size of output: 595 [2021-08-23 01:54:40,105 INFO L354 Elim1Store]: treesize reduction 2096, result has 35.4 percent of original size [2021-08-23 01:54:40,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 76 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 302 case distinctions, treesize of input 161 treesize of output 1201 Received shutdown request... [2021-08-23 02:07:34,604 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 [2021-08-23 02:07:34,605 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 02:07:34,605 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 [2021-08-23 02:07:34,611 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-23 02:07:34,613 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 02:07:34,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-23 02:07:34,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:34,822 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 121 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 7ms.. [2021-08-23 02:07:34,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 02:07:34,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 02:07:34,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 02:07:34,839 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 02:07:34,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 02:07:34,840 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:07:34 BasicIcfg [2021-08-23 02:07:34,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 02:07:34,841 INFO L168 Benchmark]: Toolchain (without parser) took 817241.95 ms. Allocated memory was 200.3 MB in the beginning and 506.5 MB in the end (delta: 306.2 MB). Free memory was 180.7 MB in the beginning and 250.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 336.1 MB. Max. memory is 8.0 GB. [2021-08-23 02:07:34,841 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 200.3 MB. Free memory is still 181.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:07:34,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.41 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 179.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 02:07:34,842 INFO L168 Benchmark]: Boogie Preprocessor took 10.82 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 178.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:07:34,842 INFO L168 Benchmark]: RCFGBuilder took 233.93 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 166.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-23 02:07:34,842 INFO L168 Benchmark]: TraceAbstraction took 816975.38 ms. Allocated memory was 200.3 MB in the beginning and 506.5 MB in the end (delta: 306.2 MB). Free memory was 166.0 MB in the beginning and 250.5 MB in the end (delta: -84.5 MB). Peak memory consumption was 320.3 MB. Max. memory is 8.0 GB. [2021-08-23 02:07:34,848 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 0.11 ms. Allocated memory is still 200.3 MB. Free memory is still 181.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.41 ms. Allocated memory is still 200.3 MB. Free memory was 180.7 MB in the beginning and 179.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.82 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 178.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 233.93 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 166.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 816975.38 ms. Allocated memory was 200.3 MB in the beginning and 506.5 MB in the end (delta: 306.2 MB). Free memory was 166.0 MB in the beginning and 250.5 MB in the end (delta: -84.5 MB). Peak memory consumption was 320.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2071, positive: 1778, positive conditional: 1328, positive unconditional: 450, negative: 293, negative conditional: 293, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1328, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1328, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1225, positive unconditional: 553, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1218, positive unconditional: 560, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1218, positive unconditional: 560, 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: 353, positive: 353, positive conditional: 0, positive unconditional: 353, 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: 353, positive: 351, positive conditional: 0, positive unconditional: 351, 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: 53, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1778, positive: 1425, positive conditional: 1218, positive unconditional: 207, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 353, unknown conditional: 0, unknown unconditional: 353] , Statistics on independence cache: Total cache size (in pairs): 353, Positive cache size: 353, Positive conditional cache size: 0, Positive unconditional cache size: 353, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0, Independence queries for same thread: 293 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 108, Number of persistent set computation: 59, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 450, positive: 450, positive conditional: 0, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2071, positive: 1778, positive conditional: 1328, positive unconditional: 450, negative: 293, negative conditional: 293, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1328, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1328, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1225, positive unconditional: 553, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1218, positive unconditional: 560, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1778, positive: 1778, positive conditional: 1218, positive unconditional: 560, 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: 353, positive: 353, positive conditional: 0, positive unconditional: 353, 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: 353, positive: 351, positive conditional: 0, positive unconditional: 351, 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: 53, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1778, positive: 1425, positive conditional: 1218, positive unconditional: 207, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 353, unknown conditional: 0, unknown unconditional: 353] , Statistics on independence cache: Total cache size (in pairs): 353, Positive cache size: 353, Positive conditional cache size: 0, Positive unconditional cache size: 353, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0, Independence queries for same thread: 293 - 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 121 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 7ms.. - TimeoutResultAtElement [Line: 53]: 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 121 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 7ms.. - TimeoutResultAtElement [Line: 52]: 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 121 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 7ms.. - TimeoutResultAtElement [Line: 52]: 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 121 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 21 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 816848.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.5ms, PartialOrderReductionTime: 10701.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 194, 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: 41.3ms SsaConstructionTime, 198.5ms SatisfiabilityAnalysisTime, 6229.6ms InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 530 ConstructedInterpolants, 10 QuantifiedInterpolants, 6256 SizeOfPredicates, 19 NumberOfNonLiveVariables, 530 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 10 InterpolantComputations, 0 PerfectInterpolantSequences, 267/1020 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