/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 16:01:13,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 16:01:13,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 16:01:13,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 16:01:13,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 16:01:13,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 16:01:13,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 16:01:13,818 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-None-NoLbe.epf [2021-08-21 16:01:13,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 16:01:13,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 16:01:13,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 16:01:13,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 16:01:13,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 16:01:13,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 16:01:13,861 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 16:01:13,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 16:01:13,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 16:01:13,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 16:01:13,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 16:01:13,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 16:01:13,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 16:01:13,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 16:01:13,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 16:01:13,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 16:01:13,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:01:13,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-21 16:01:13,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 16:01:13,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 16:01:14,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 16:01:14,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 16:01:14,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 16:01:14,225 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-21 16:01:14,226 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-21 16:01:14,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2021-08-21 16:01:14,227 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2021-08-21 16:01:14,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 16:01:14,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-21 16:01:14,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 16:01:14,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 16:01:14,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 16:01:14,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 16:01:14,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 16:01:14,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 16:01:14,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 16:01:14,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 16:01:14,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 16:01:14,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 16:01:14,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 16:01:14,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/1) ... [2021-08-21 16:01:14,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:01:14,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:14,328 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) [2021-08-21 16:01:14,333 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 [2021-08-21 16:01:14,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-21 16:01:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-21 16:01:14,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-21 16:01:14,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-21 16:01:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-21 16:01:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-21 16:01:14,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-21 16:01:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 16:01:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 16:01:14,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-21 16:01:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-21 16:01:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-21 16:01:14,371 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 16:01:14,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 16:01:14,593 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-21 16:01:14,595 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:01:14 BoogieIcfgContainer [2021-08-21 16:01:14,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 16:01:14,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 16:01:14,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 16:01:14,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 16:01:14,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 04:01:14" (1/2) ... [2021-08-21 16:01:14,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228b2b38 and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:01:14, skipping insertion in model container [2021-08-21 16:01:14,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:01:14" (2/2) ... [2021-08-21 16:01:14,609 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2021-08-21 16:01:14,613 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 16:01:14,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 16:01:14,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-21 16:01:14,614 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 16:01:14,658 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-21 16:01:14,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-21 16:01:14,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:14,700 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) [2021-08-21 16:01:14,717 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 [2021-08-21 16:01:14,729 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 16:01:14,737 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 [2021-08-21 16:01:14,738 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-21 16:01:14,751 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-08-21 16:01:14,789 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 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) [2021-08-21 16:01:14,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:01:14,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:01:14,815 INFO L82 PathProgramCache]: Analyzing trace with hash -284633017, now seen corresponding path program 1 times [2021-08-21 16:01:14,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:01:14,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526752585] [2021-08-21 16:01:14,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:01:14,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:01:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:01:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 16:01:15,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:01:15,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526752585] [2021-08-21 16:01:15,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526752585] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:15,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755719127] [2021-08-21 16:01:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:01:15,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:01:15,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:15,124 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) [2021-08-21 16:01:15,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-21 16:01:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:01:15,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-21 16:01:15,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:01:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 16:01:15,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755719127] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:15,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:01:15,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-21 16:01:15,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030725611] [2021-08-21 16:01:15,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-21 16:01:15,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:01:15,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-21 16:01:15,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-21 16:01:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:15,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 16:01:15,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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) [2021-08-21 16:01:15,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:15,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-21 16:01:15,813 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 [2021-08-21 16:01:15,813 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:01:15,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:01:15,814 INFO L82 PathProgramCache]: Analyzing trace with hash 481629733, now seen corresponding path program 2 times [2021-08-21 16:01:15,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:01:15,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014431911] [2021-08-21 16:01:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:01:15,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:01:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:01:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:01:17,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:01:17,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014431911] [2021-08-21 16:01:17,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014431911] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:17,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955410044] [2021-08-21 16:01:17,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:01:17,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:01:17,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:17,139 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) [2021-08-21 16:01:17,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-21 16:01:17,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:01:17,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:01:17,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 31 conjunts are in the unsatisfiable core [2021-08-21 16:01:17,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:01:18,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-21 16:01:18,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 103 [2021-08-21 16:01:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:01:19,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955410044] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:19,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:01:19,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-21 16:01:19,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574090309] [2021-08-21 16:01:19,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-21 16:01:19,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:01:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-21 16:01:19,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-08-21 16:01:19,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:19,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 16:01:19,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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) [2021-08-21 16:01:19,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:19,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:21,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:01:21,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-21 16:01:21,218 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 [2021-08-21 16:01:21,219 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:01:21,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:01:21,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1875342177, now seen corresponding path program 3 times [2021-08-21 16:01:21,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:01:21,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859644242] [2021-08-21 16:01:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:01:21,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:01:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:01:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:01:21,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:01:21,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859644242] [2021-08-21 16:01:21,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859644242] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:21,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323324619] [2021-08-21 16:01:21,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 16:01:21,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:01:21,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:21,341 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) [2021-08-21 16:01:21,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-21 16:01:21,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-21 16:01:21,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:01:21,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 16:01:21,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:01:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:01:21,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323324619] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:21,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:01:21,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-08-21 16:01:21,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537640191] [2021-08-21 16:01:21,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 16:01:21,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:01:21,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 16:01:21,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-08-21 16:01:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:21,773 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 16:01:21,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 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) [2021-08-21 16:01:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:01:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:01:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:01:22,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-21 16:01:22,224 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 [2021-08-21 16:01:22,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:01:22,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:01:22,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2086348133, now seen corresponding path program 4 times [2021-08-21 16:01:22,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:01:22,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086445170] [2021-08-21 16:01:22,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:01:22,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:01:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:01:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-21 16:01:22,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:01:22,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086445170] [2021-08-21 16:01:22,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086445170] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:22,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602731786] [2021-08-21 16:01:22,347 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 16:01:22,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:01:22,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:22,349 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) [2021-08-21 16:01:22,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-21 16:01:22,550 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 16:01:22,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:01:22,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-21 16:01:22,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:01:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-21 16:01:22,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602731786] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:22,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:01:22,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-08-21 16:01:22,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849239130] [2021-08-21 16:01:22,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-21 16:01:22,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:01:22,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-21 16:01:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-08-21 16:01:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:22,768 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 16:01:22,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 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) [2021-08-21 16:01:22,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:22,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:01:22,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:01:22,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:01:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:01:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:01:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:01:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 16:01:23,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-21 16:01:23,200 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 [2021-08-21 16:01:23,201 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:01:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:01:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1829754081, now seen corresponding path program 5 times [2021-08-21 16:01:23,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:01:23,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636428179] [2021-08-21 16:01:23,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:01:23,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:01:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:01:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:01:45,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:01:45,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636428179] [2021-08-21 16:01:45,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636428179] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:01:45,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27944809] [2021-08-21 16:01:45,073 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 16:01:45,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:01:45,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:01:45,079 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) [2021-08-21 16:01:45,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-21 16:01:45,541 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-21 16:01:45,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:01:45,543 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-21 16:01:45,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:02:17,773 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-08-21 16:02:17,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 2391 treesize of output 1490 [2021-08-21 16:02:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:02:18,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27944809] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:02:18,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:02:18,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 36 [2021-08-21 16:02:18,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789872578] [2021-08-21 16:02:18,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-21 16:02:18,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:02:18,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-21 16:02:18,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1116, Unknown=0, NotChecked=0, Total=1260 [2021-08-21 16:02:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:02:18,823 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 16:02:18,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.2222222222222223) internal successors, (80), 36 states have internal predecessors, (80), 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) [2021-08-21 16:02:18,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:02:18,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:02:18,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:02:18,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 16:02:18,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:02:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:02:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:02:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:02:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 16:02:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-21 16:02:46,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-21 16:02:47,088 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 [2021-08-21 16:02:47,089 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:02:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:02:47,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2026431981, now seen corresponding path program 6 times [2021-08-21 16:02:47,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:02:47,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137010016] [2021-08-21 16:02:47,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:02:47,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:02:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:02:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:02:47,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:02:47,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137010016] [2021-08-21 16:02:47,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137010016] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:02:47,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091219239] [2021-08-21 16:02:47,329 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 16:02:47,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:02:47,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:02:47,330 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) [2021-08-21 16:02:47,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-21 16:02:49,071 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-21 16:02:49,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:02:49,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-21 16:02:49,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:02:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 59 proven. 71 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-21 16:02:49,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091219239] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:02:49,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:02:49,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 40 [2021-08-21 16:02:49,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574505180] [2021-08-21 16:02:49,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-08-21 16:02:49,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:02:49,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-08-21 16:02:49,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1344, Unknown=0, NotChecked=0, Total=1560 [2021-08-21 16:02:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:02:49,558 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-21 16:02:49,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.475) internal successors, (99), 40 states have internal predecessors, (99), 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) [2021-08-21 16:02:49,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:02:49,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:02:49,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:02:49,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-21 16:02:49,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-21 16:02:49,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:02:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:02:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-21 16:02:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:02:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 16:02:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-21 16:02:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-21 16:02:50,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-21 16:02:50,567 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 [2021-08-21 16:02:50,567 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-21 16:02:50,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:02:50,567 INFO L82 PathProgramCache]: Analyzing trace with hash 537232719, now seen corresponding path program 7 times [2021-08-21 16:02:50,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:02:50,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826179575] [2021-08-21 16:02:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:02:50,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:02:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-21 16:15:25,053 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-21 16:15:25,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-21 16:15:25,054 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 59 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-9-4-34-4-34-5-34-4-34-4-34-4-34-4-34-4-34-3-34-4-34-3-34-4-34-3-34-4-34-3-34-3-34-3-33-3-31-3-27-3-17-3-17-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-7-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-10-1 context. [2021-08-21 16:15:25,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 16:15:25,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 16:15:25,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-21 16:15:25,063 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 16:15:25,063 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 16:15:25,064 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:15:25 BasicIcfg [2021-08-21 16:15:25,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 16:15:25,065 INFO L168 Benchmark]: Toolchain (without parser) took 850806.21 ms. Allocated memory was 199.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 180.4 MB in the beginning and 1.1 GB in the end (delta: -917.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-08-21 16:15:25,066 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 199.2 MB. Free memory was 181.7 MB in the beginning and 181.6 MB in the end (delta: 68.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 16:15:25,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.07 ms. Allocated memory is still 199.2 MB. Free memory was 180.4 MB in the beginning and 178.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 16:15:25,067 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 199.2 MB. Free memory was 178.9 MB in the beginning and 177.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 16:15:25,067 INFO L168 Benchmark]: RCFGBuilder took 290.69 ms. Allocated memory is still 199.2 MB. Free memory was 177.8 MB in the beginning and 163.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-21 16:15:25,067 INFO L168 Benchmark]: TraceAbstraction took 850467.81 ms. Allocated memory was 199.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 163.2 MB in the beginning and 1.1 GB in the end (delta: -934.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2021-08-21 16:15:25,069 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 199.2 MB. Free memory was 181.7 MB in the beginning and 181.6 MB in the end (delta: 68.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.07 ms. Allocated memory is still 199.2 MB. Free memory was 180.4 MB in the beginning and 178.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.52 ms. Allocated memory is still 199.2 MB. Free memory was 178.9 MB in the beginning and 177.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 290.69 ms. Allocated memory is still 199.2 MB. Free memory was 177.8 MB in the beginning and 163.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 850467.81 ms. Allocated memory was 199.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 163.2 MB in the beginning and 1.1 GB in the end (delta: -934.8 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 59 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-9-4-34-4-34-5-34-4-34-4-34-4-34-4-34-4-34-3-34-4-34-3-34-4-34-3-34-4-34-3-34-3-34-3-33-3-31-3-27-3-17-3-17-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-7-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-10-1 context. - TimeoutResultAtElement [Line: 61]: 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 59 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-9-4-34-4-34-5-34-4-34-4-34-4-34-4-34-4-34-3-34-4-34-3-34-4-34-3-34-4-34-3-34-3-34-3-33-3-31-3-27-3-17-3-17-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-7-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-10-1 context. - TimeoutResultAtElement [Line: 61]: 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 59 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-9-4-34-4-34-5-34-4-34-4-34-4-34-4-34-4-34-3-34-4-34-3-34-4-34-3-34-4-34-3-34-3-34-3-33-3-31-3-27-3-17-3-17-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-7-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-10-1 context. - TimeoutResultAtElement [Line: 62]: 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 59 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-6-2-9-4-34-4-34-5-34-4-34-4-34-4-34-4-34-4-34-3-34-4-34-3-34-4-34-3-34-4-34-3-34-3-34-3-33-3-31-3-27-3-17-3-17-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-3-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-16-2-7-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-10-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 850373.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.0ms, PartialOrderReductionTime: 31037.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 147, 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: 55.2ms SsaConstructionTime, 420.4ms SatisfiabilityAnalysisTime, 60277.0ms InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 54873 SizeOfPredicates, 28 NumberOfNonLiveVariables, 579 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 181/526 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