/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-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 12:39:16,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 12:39:16,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 12:39:16,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 12:39:16,344 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-NewStatesSleepUncond-NoLbe.epf [2021-08-22 12:39:16,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 12:39:16,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 12:39:16,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 12:39:16,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 12:39:16,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 12:39:16,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 12:39:16,383 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 12:39:16,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 12:39:16,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 12:39:16,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 12:39:16,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 12:39:16,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 12:39:16,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 12:39:16,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 12:39:16,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 12:39:16,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 12:39:16,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 12:39:16,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 12:39:16,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 12:39:16,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 12:39:16,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 12:39:16,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 12:39:16,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 12:39:16,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 12:39:16,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 12:39:16,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 12:39:16,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 12:39:16,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 12:39:16,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 12:39:16,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 12:39:16,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 12:39:16,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 12:39:16,389 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 12:39:16,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 12:39:16,390 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 12:39:16,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 12:39:16,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 12:39:16,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 12:39:16,713 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 12:39:16,715 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 12:39:16,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2021-08-22 12:39:16,716 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2021-08-22 12:39:16,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 12:39:16,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 12:39:16,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 12:39:16,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 12:39:16,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 12:39:16,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 12:39:16,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 12:39:16,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 12:39:16,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 12:39:16,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 12:39:16,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 12:39:16,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 12:39:16,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 12:39:16,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/1) ... [2021-08-22 12:39:16,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 12:39:16,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:16,814 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) [2021-08-22 12:39:16,824 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 [2021-08-22 12:39:16,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 12:39:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 12:39:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 12:39:16,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 12:39:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 12:39:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 12:39:16,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 12:39:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 12:39:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 12:39:16,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 12:39:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 12:39:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 12:39:16,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 12:39:17,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 12:39:17,108 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 12:39:17,110 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:39:17 BoogieIcfgContainer [2021-08-22 12:39:17,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 12:39:17,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 12:39:17,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 12:39:17,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 12:39:17,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 12:39:16" (1/2) ... [2021-08-22 12:39:17,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4d33fa and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:39:17, skipping insertion in model container [2021-08-22 12:39:17,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:39:17" (2/2) ... [2021-08-22 12:39:17,115 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-08-22 12:39:17,119 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 12:39:17,119 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 12:39:17,119 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 12:39:17,119 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 12:39:17,204 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 12:39:17,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 12:39:17,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:17,261 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) [2021-08-22 12:39:17,281 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 [2021-08-22 12:39:17,287 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 12:39:17,295 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 [2021-08-22 12:39:17,295 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 12:39:17,441 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:17,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:17,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1574017482, now seen corresponding path program 1 times [2021-08-22 12:39:17,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:17,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453616963] [2021-08-22 12:39:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:17,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:17,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:17,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453616963] [2021-08-22 12:39:17,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453616963] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 12:39:17,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 12:39:17,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 12:39:17,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890106005] [2021-08-22 12:39:17,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 12:39:17,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:17,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 12:39:17,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 12:39:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:17,618 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:17,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-08-22 12:39:17,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:17,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 12:39:17,658 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:17,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:17,658 INFO L82 PathProgramCache]: Analyzing trace with hash -623309740, now seen corresponding path program 1 times [2021-08-22 12:39:17,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:17,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885210990] [2021-08-22 12:39:17,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:17,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 12:39:17,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:17,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885210990] [2021-08-22 12:39:17,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885210990] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 12:39:17,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 12:39:17,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-22 12:39:17,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427447005] [2021-08-22 12:39:17,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 12:39:17,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:17,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 12:39:17,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 12:39:17,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:17,708 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:17,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-08-22 12:39:17,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:17,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:17,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 12:39:17,740 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:17,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:17,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1563381262, now seen corresponding path program 1 times [2021-08-22 12:39:17,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:17,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157227711] [2021-08-22 12:39:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:17,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:18,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:18,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157227711] [2021-08-22 12:39:18,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157227711] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:18,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409933436] [2021-08-22 12:39:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:18,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:18,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:18,082 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) [2021-08-22 12:39:18,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 12:39:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:18,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-22 12:39:18,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:18,610 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-22 12:39:18,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-08-22 12:39:18,622 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-08-22 12:39:18,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 16 [2021-08-22 12:39:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:18,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409933436] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:18,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:18,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-08-22 12:39:18,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686691526] [2021-08-22 12:39:18,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 12:39:18,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:18,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 12:39:18,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-08-22 12:39:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:18,726 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:18,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-08-22 12:39:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:18,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:18,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 12:39:19,133 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,SelfDestructingSolverStorable2 [2021-08-22 12:39:19,133 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:19,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:19,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1688266480, now seen corresponding path program 2 times [2021-08-22 12:39:19,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:19,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032113745] [2021-08-22 12:39:19,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:19,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:19,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:19,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032113745] [2021-08-22 12:39:19,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032113745] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:19,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517284860] [2021-08-22 12:39:19,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 12:39:19,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:19,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:19,242 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) [2021-08-22 12:39:19,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 12:39:19,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 12:39:19,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 12:39:19,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 12:39:19,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:19,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517284860] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:19,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:19,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-08-22 12:39:19,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14823275] [2021-08-22 12:39:19,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 12:39:19,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:19,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 12:39:19,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-22 12:39:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:19,524 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:19,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-08-22 12:39:19,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:19,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:19,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:19,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:19,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 12:39:19,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:19,921 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:19,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1549297612, now seen corresponding path program 1 times [2021-08-22 12:39:19,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:19,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990369593] [2021-08-22 12:39:19,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:19,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 12:39:20,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:20,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990369593] [2021-08-22 12:39:20,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990369593] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:20,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869846443] [2021-08-22 12:39:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:20,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:20,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:20,005 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) [2021-08-22 12:39:20,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 12:39:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:20,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-22 12:39:20,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 12:39:20,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869846443] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:20,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:20,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-08-22 12:39:20,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800256693] [2021-08-22 12:39:20,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 12:39:20,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:20,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 12:39:20,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-22 12:39:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:20,263 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:20,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2021-08-22 12:39:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:20,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 12:39:20,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:20,589 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:20,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:20,590 INFO L82 PathProgramCache]: Analyzing trace with hash 121143402, now seen corresponding path program 2 times [2021-08-22 12:39:20,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:20,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404662872] [2021-08-22 12:39:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:20,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:21,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:21,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404662872] [2021-08-22 12:39:21,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404662872] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:21,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742718463] [2021-08-22 12:39:21,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 12:39:21,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:21,105 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) [2021-08-22 12:39:21,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 12:39:21,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 12:39:21,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 12:39:21,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-22 12:39:21,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:21,954 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-08-22 12:39:21,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 58 [2021-08-22 12:39:22,003 INFO L354 Elim1Store]: treesize reduction 41, result has 55.9 percent of original size [2021-08-22 12:39:22,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 70 [2021-08-22 12:39:22,016 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-08-22 12:39:22,016 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 87 treesize of output 75 [2021-08-22 12:39:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:22,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742718463] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:22,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:22,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-08-22 12:39:22,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138961835] [2021-08-22 12:39:22,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-22 12:39:22,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:22,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-22 12:39:22,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2021-08-22 12:39:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:22,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:22,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 22 states have internal predecessors, (52), 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) [2021-08-22 12:39:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:23,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:39:23,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 12:39:23,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:23,223 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:23,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:23,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2054482312, now seen corresponding path program 3 times [2021-08-22 12:39:23,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:23,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743187383] [2021-08-22 12:39:23,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:23,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:23,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:23,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743187383] [2021-08-22 12:39:23,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743187383] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:23,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387518329] [2021-08-22 12:39:23,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 12:39:23,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:23,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:23,355 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) [2021-08-22 12:39:23,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 12:39:23,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-22 12:39:23,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 12:39:23,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 12:39:23,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:23,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387518329] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:23,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:23,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-08-22 12:39:23,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874595544] [2021-08-22 12:39:23,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-22 12:39:23,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:23,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-22 12:39:23,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-08-22 12:39:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:23,812 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:23,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 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) [2021-08-22 12:39:23,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:23,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:23,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:23,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:23,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:23,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:39:23,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:39:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-22 12:39:24,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 12:39:24,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:24,453 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:24,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:24,453 INFO L82 PathProgramCache]: Analyzing trace with hash 580992068, now seen corresponding path program 4 times [2021-08-22 12:39:24,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:24,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127357299] [2021-08-22 12:39:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:24,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 12:39:24,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:24,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127357299] [2021-08-22 12:39:24,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127357299] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:24,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138875309] [2021-08-22 12:39:24,566 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 12:39:24,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:24,573 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) [2021-08-22 12:39:24,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 12:39:24,727 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 12:39:24,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 12:39:24,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 12:39:24,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 12:39:24,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138875309] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:24,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:24,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-08-22 12:39:24,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128729964] [2021-08-22 12:39:24,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-22 12:39:24,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:24,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-22 12:39:24,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-08-22 12:39:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:24,973 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:24,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 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) [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-22 12:39:24,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:39:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-22 12:39:25,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 12:39:25,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 12:39:25,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:25,376 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:39:25,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:39:25,376 INFO L82 PathProgramCache]: Analyzing trace with hash -635054366, now seen corresponding path program 5 times [2021-08-22 12:39:25,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:39:25,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932380407] [2021-08-22 12:39:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:39:25,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:39:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:39:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:26,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:39:26,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932380407] [2021-08-22 12:39:26,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932380407] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:26,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914881191] [2021-08-22 12:39:26,147 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 12:39:26,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:39:26,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:39:26,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 12:39:26,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 12:39:26,357 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-22 12:39:26,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 12:39:26,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 47 conjunts are in the unsatisfiable core [2021-08-22 12:39:26,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:39:40,685 INFO L354 Elim1Store]: treesize reduction 70, result has 4.1 percent of original size [2021-08-22 12:39:40,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 108 treesize of output 91 [2021-08-22 12:39:40,836 INFO L354 Elim1Store]: treesize reduction 73, result has 69.2 percent of original size [2021-08-22 12:39:40,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 191 [2021-08-22 12:39:40,871 INFO L354 Elim1Store]: treesize reduction 70, result has 4.1 percent of original size [2021-08-22 12:39:40,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 227 treesize of output 190 [2021-08-22 12:39:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:39:41,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914881191] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:39:41,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 12:39:41,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-08-22 12:39:41,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140380825] [2021-08-22 12:39:41,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-22 12:39:41,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 12:39:41,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-22 12:39:41,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=835, Unknown=7, NotChecked=0, Total=930 [2021-08-22 12:39:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:39:41,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 12:39:41,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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) [2021-08-22 12:39:41,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 12:39:41,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 12:41:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-22 12:41:15,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-22 12:41:16,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-22 12:41:16,056 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 12:41:16,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 12:41:16,057 INFO L82 PathProgramCache]: Analyzing trace with hash -630248290, now seen corresponding path program 6 times [2021-08-22 12:41:16,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 12:41:16,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750207864] [2021-08-22 12:41:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 12:41:16,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 12:41:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 12:41:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 12:41:17,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 12:41:17,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750207864] [2021-08-22 12:41:17,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750207864] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 12:41:17,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41617577] [2021-08-22 12:41:17,008 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 12:41:17,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 12:41:17,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 12:41:17,011 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 12:41:17,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 12:41:17,260 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-22 12:41:17,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 12:41:17,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 58 conjunts are in the unsatisfiable core [2021-08-22 12:41:17,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 12:43:49,641 INFO L354 Elim1Store]: treesize reduction 112, result has 64.2 percent of original size [2021-08-22 12:43:49,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 153 treesize of output 323 [2021-08-22 12:43:50,004 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-22 12:43:50,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 323 treesize of output 869 [2021-08-22 12:43:50,470 INFO L354 Elim1Store]: treesize reduction 112, result has 64.2 percent of original size [2021-08-22 12:43:50,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 1083 treesize of output 1091 Received shutdown request... [2021-08-22 12:53:08,459 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-22 12:53:08,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 12:53:08,464 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 [2021-08-22 12:53:08,465 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 12:53:08,476 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 [2021-08-22 12:53:08,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 12:53:08,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-22 12:53:08,665 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. [2021-08-22 12:53:08,666 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 12:53:08,666 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 12:53:08,666 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 12:53:08,672 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 12:53:08,672 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 12:53:08,673 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:53:08 BasicIcfg [2021-08-22 12:53:08,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 12:53:08,674 INFO L168 Benchmark]: Toolchain (without parser) took 831935.66 ms. Allocated memory was 230.7 MB in the beginning and 594.5 MB in the end (delta: 363.9 MB). Free memory was 210.6 MB in the beginning and 337.2 MB in the end (delta: -126.6 MB). Peak memory consumption was 378.8 MB. Max. memory is 8.0 GB. [2021-08-22 12:53:08,675 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 230.7 MB. Free memory is still 211.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 12:53:08,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 230.7 MB. Free memory was 210.5 MB in the beginning and 208.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 12:53:08,675 INFO L168 Benchmark]: Boogie Preprocessor took 18.67 ms. Allocated memory is still 230.7 MB. Free memory was 208.9 MB in the beginning and 208.0 MB in the end (delta: 951.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 12:53:08,675 INFO L168 Benchmark]: RCFGBuilder took 327.68 ms. Allocated memory is still 230.7 MB. Free memory was 207.9 MB in the beginning and 194.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-22 12:53:08,676 INFO L168 Benchmark]: TraceAbstraction took 831562.39 ms. Allocated memory was 230.7 MB in the beginning and 594.5 MB in the end (delta: 363.9 MB). Free memory was 194.0 MB in the beginning and 337.2 MB in the end (delta: -143.2 MB). Peak memory consumption was 362.0 MB. Max. memory is 8.0 GB. [2021-08-22 12:53:08,677 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 0.14 ms. Allocated memory is still 230.7 MB. Free memory is still 211.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 230.7 MB. Free memory was 210.5 MB in the beginning and 208.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.67 ms. Allocated memory is still 230.7 MB. Free memory was 208.9 MB in the beginning and 208.0 MB in the end (delta: 951.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 327.68 ms. Allocated memory is still 230.7 MB. Free memory was 207.9 MB in the beginning and 194.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 831562.39 ms. Allocated memory was 230.7 MB in the beginning and 594.5 MB in the end (delta: 363.9 MB). Free memory was 194.0 MB in the beginning and 337.2 MB in the end (delta: -143.2 MB). Peak memory consumption was 362.0 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: 1893, positive: 1531, positive conditional: 1531, positive unconditional: 0, negative: 362, negative conditional: 362, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1531, positive: 1531, positive conditional: 0, positive unconditional: 1531, 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: 51, positive: 51, positive conditional: 0, positive unconditional: 51, 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: 51, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1531, positive: 1480, positive conditional: 0, positive unconditional: 1480, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 362 - 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: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - TimeoutResultAtElement [Line: 60]: 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 43 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - TimeoutResultAtElement [Line: 60]: 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 43 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - 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 43 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 13ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 831417.1ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 96899.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 116, 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: 48.1ms SsaConstructionTime, 207.1ms SatisfiabilityAnalysisTime, 19124.1ms InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 442 ConstructedInterpolants, 14 QuantifiedInterpolants, 8800 SizeOfPredicates, 33 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 61/253 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