/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-NewStatesSleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 07:05:32,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 07:05:32,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 07:05:32,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 07:05:33,029 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-NewStatesSleep-NoLbe-Random521.epf [2021-08-22 07:05:33,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 07:05:33,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 07:05:33,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 07:05:33,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 07:05:33,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 07:05:33,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 07:05:33,070 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 07:05:33,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 07:05:33,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 07:05:33,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 07:05:33,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 07:05:33,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 07:05:33,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 07:05:33,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 07:05:33,074 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 07:05:33,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 07:05:33,074 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 07:05:33,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 07:05:33,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 07:05:33,074 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 07:05:33,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 07:05:33,075 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 07:05:33,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 07:05:33,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 07:05:33,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 07:05:33,345 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 07:05:33,346 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 07:05:33,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2021-08-22 07:05:33,347 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2021-08-22 07:05:33,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 07:05:33,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 07:05:33,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 07:05:33,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 07:05:33,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 07:05:33,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 07:05:33,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 07:05:33,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 07:05:33,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 07:05:33,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 07:05:33,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 07:05:33,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 07:05:33,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 07:05:33,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/1) ... [2021-08-22 07:05:33,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 07:05:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:33,434 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 07:05:33,456 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 07:05:33,477 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 07:05:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 07:05:33,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 07:05:33,477 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 07:05:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 07:05:33,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 07:05:33,478 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 07:05:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 07:05:33,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 07:05:33,478 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 07:05:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 07:05:33,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 07:05:33,479 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 07:05:33,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 07:05:33,706 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 07:05:33,708 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:05:33 BoogieIcfgContainer [2021-08-22 07:05:33,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 07:05:33,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 07:05:33,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 07:05:33,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 07:05:33,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:05:33" (1/2) ... [2021-08-22 07:05:33,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f70726 and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:05:33, skipping insertion in model container [2021-08-22 07:05:33,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:05:33" (2/2) ... [2021-08-22 07:05:33,713 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2021-08-22 07:05:33,731 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 07:05:33,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 07:05:33,731 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 07:05:33,731 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 07:05:33,761 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 07:05:33,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 07:05:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:33,811 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 07:05:33,824 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 07:05:33,841 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 07:05:33,846 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 07:05:33,846 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 07:05:33,927 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:33,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:33,931 INFO L82 PathProgramCache]: Analyzing trace with hash 802082406, now seen corresponding path program 1 times [2021-08-22 07:05:33,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:33,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221947024] [2021-08-22 07:05:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:33,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:34,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:34,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221947024] [2021-08-22 07:05:34,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221947024] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:05:34,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 07:05:34,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-22 07:05:34,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46916370] [2021-08-22 07:05:34,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 07:05:34,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:05:34,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 07:05:34,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-22 07:05:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:34,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:05:34,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 07:05:34,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:34,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:34,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 07:05:34,280 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:34,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:34,282 INFO L82 PathProgramCache]: Analyzing trace with hash 585441402, now seen corresponding path program 1 times [2021-08-22 07:05:34,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:34,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979743291] [2021-08-22 07:05:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:34,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-22 07:05:34,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:34,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979743291] [2021-08-22 07:05:34,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979743291] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:05:34,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 07:05:34,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-22 07:05:34,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317162443] [2021-08-22 07:05:34,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-22 07:05:34,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:05:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-22 07:05:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-22 07:05:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:34,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:05:34,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 07:05:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:34,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:34,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:34,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:34,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 07:05:34,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:34,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:34,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1686470408, now seen corresponding path program 2 times [2021-08-22 07:05:34,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:34,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110072912] [2021-08-22 07:05:34,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:34,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 07:05:34,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:34,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110072912] [2021-08-22 07:05:34,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110072912] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:34,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986568683] [2021-08-22 07:05:34,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 07:05:34,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:05:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:34,737 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 07:05:34,765 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 07:05:34,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 07:05:34,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:05:34,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 07:05:34,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:05:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 07:05:35,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986568683] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:35,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:05:35,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 12 [2021-08-22 07:05:35,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302994809] [2021-08-22 07:05:35,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-22 07:05:35,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:05:35,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-22 07:05:35,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-22 07:05:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:35,093 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:05:35,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 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 07:05:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:35,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:35,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:35,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 07:05:35,493 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 07:05:35,493 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:35,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:35,493 INFO L82 PathProgramCache]: Analyzing trace with hash 658571242, now seen corresponding path program 3 times [2021-08-22 07:05:35,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:35,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298959611] [2021-08-22 07:05:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:35,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:35,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:35,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298959611] [2021-08-22 07:05:35,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298959611] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:35,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312547236] [2021-08-22 07:05:35,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 07:05:35,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:05:35,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:35,760 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 07:05:35,784 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 07:05:35,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-22 07:05:35,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:05:35,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-22 07:05:35,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:05:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:36,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312547236] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:36,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:05:36,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 15 [2021-08-22 07:05:36,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043099620] [2021-08-22 07:05:36,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-22 07:05:36,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:05:36,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-22 07:05:36,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-08-22 07:05:36,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:36,227 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:05:36,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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 07:05:36,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:36,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:36,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:36,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:05:36,674 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 07:05:36,869 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 07:05:36,869 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash -859557442, now seen corresponding path program 4 times [2021-08-22 07:05:36,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:36,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461045521] [2021-08-22 07:05:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:36,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:37,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:37,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461045521] [2021-08-22 07:05:37,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461045521] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:37,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489811189] [2021-08-22 07:05:37,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 07:05:37,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:05:37,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:37,689 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 07:05:37,732 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 07:05:37,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 07:05:37,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:05:37,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-22 07:05:37,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:05:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:40,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489811189] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:40,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:05:40,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-08-22 07:05:40,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198834368] [2021-08-22 07:05:40,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-08-22 07:05:40,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:05:40,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-08-22 07:05:40,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1658, Unknown=0, NotChecked=0, Total=1980 [2021-08-22 07:05:40,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:40,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:05:40,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 44 states have internal predecessors, (88), 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 07:05:40,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:40,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:40,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:40,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:05:40,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:05:41,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:05:41,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-22 07:05:41,848 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 07:05:41,849 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:41,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:41,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1003199452, now seen corresponding path program 5 times [2021-08-22 07:05:41,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:41,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928655146] [2021-08-22 07:05:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:41,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:42,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:42,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928655146] [2021-08-22 07:05:42,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928655146] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:42,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607849397] [2021-08-22 07:05:42,852 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 07:05:42,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:05:42,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:42,854 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 07:05:42,856 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 07:05:43,135 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-22 07:05:43,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:05:43,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 30 conjunts are in the unsatisfiable core [2021-08-22 07:05:43,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:05:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:46,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607849397] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:46,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:05:46,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2021-08-22 07:05:46,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503380595] [2021-08-22 07:05:46,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-08-22 07:05:46,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:05:46,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-08-22 07:05:46,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=1717, Unknown=0, NotChecked=0, Total=2070 [2021-08-22 07:05:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:46,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:05:46,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.9782608695652173) internal successors, (91), 45 states have internal predecessors, (91), 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 07:05:46,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:46,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:46,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:46,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:05:46,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:05:46,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:05:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:05:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:05:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:05:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:05:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:05:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:05:48,019 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 07:05:48,189 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 07:05:48,189 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:05:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:05:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2053966812, now seen corresponding path program 6 times [2021-08-22 07:05:48,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:05:48,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040435640] [2021-08-22 07:05:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:05:48,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:05:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:05:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:05:50,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:05:50,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040435640] [2021-08-22 07:05:50,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040435640] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:05:50,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144752263] [2021-08-22 07:05:50,080 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 07:05:50,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:05:50,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:05:50,081 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 07:05:50,081 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 07:05:50,640 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-22 07:05:50,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:05:50,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-22 07:05:50,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:06:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:06:00,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144752263] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:06:00,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:06:00,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-08-22 07:06:00,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704791139] [2021-08-22 07:06:00,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-08-22 07:06:00,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:06:00,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-08-22 07:06:00,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=2309, Unknown=0, NotChecked=0, Total=2756 [2021-08-22 07:06:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:06:00,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:06:00,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.9811320754716981) internal successors, (105), 52 states have internal predecessors, (105), 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 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:06:00,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:06:01,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:06:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:06:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:06:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:06:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:06:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:06:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 07:06:01,714 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 07:06:01,896 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 07:06:01,897 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:06:01,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:06:01,897 INFO L82 PathProgramCache]: Analyzing trace with hash -529169444, now seen corresponding path program 7 times [2021-08-22 07:06:01,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:06:01,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737388300] [2021-08-22 07:06:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:06:01,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:06:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:06:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:06:37,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:06:37,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737388300] [2021-08-22 07:06:37,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737388300] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:06:37,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849320668] [2021-08-22 07:06:37,364 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 07:06:37,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:06:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:06:37,369 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 07:06:37,372 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 07:06:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:06:39,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 37 conjunts are in the unsatisfiable core [2021-08-22 07:06:39,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:06:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:06:54,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849320668] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:06:54,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:06:54,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 56 [2021-08-22 07:06:54,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976129467] [2021-08-22 07:06:54,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-08-22 07:06:54,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:06:54,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-08-22 07:06:54,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=2730, Unknown=0, NotChecked=0, Total=3192 [2021-08-22 07:06:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:06:54,775 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:06:54,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.9824561403508771) internal successors, (113), 56 states have internal predecessors, (113), 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 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 07:06:54,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:06:58,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 07:06:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-22 07:06:58,118 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 07:06:58,300 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 07:06:58,301 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:06:58,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:06:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash -431093058, now seen corresponding path program 8 times [2021-08-22 07:06:58,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:06:58,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115248158] [2021-08-22 07:06:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:06:58,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:06:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:07:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:07:12,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:07:12,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115248158] [2021-08-22 07:07:12,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115248158] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:07:12,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68652503] [2021-08-22 07:07:12,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 07:07:12,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:07:12,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:07:12,540 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 07:07:12,542 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 07:07:15,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 07:07:15,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:07:15,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-22 07:07:15,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:07:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:07:38,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68652503] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:07:38,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:07:38,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 62 [2021-08-22 07:07:38,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788137934] [2021-08-22 07:07:38,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-08-22 07:07:38,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:07:38,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-08-22 07:07:38,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=3357, Unknown=0, NotChecked=0, Total=3906 [2021-08-22 07:07:38,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:07:38,729 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:07:38,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.9841269841269842) internal successors, (125), 62 states have internal predecessors, (125), 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 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:07:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 07:07:38,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-22 07:07:38,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 07:07:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-22 07:07:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-22 07:07:41,859 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 07:07:42,040 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 07:07:42,041 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:07:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:07:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash 144701374, now seen corresponding path program 9 times [2021-08-22 07:07:42,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:07:42,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723957830] [2021-08-22 07:07:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:07:42,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:07:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-22 07:20:02,796 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 07:20:02,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-22 07:20:02,797 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-2-10-2-10-2-10-2-10-2-10-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-6-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-5-2-3-2-3-1 context. [2021-08-22 07:20:02,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 07:20:02,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 07:20:02,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 07:20:02,806 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 07:20:02,806 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 07:20:02,808 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 07:20:02,808 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 07:20:02,808 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:20:02 BasicIcfg [2021-08-22 07:20:02,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 07:20:02,809 INFO L168 Benchmark]: Toolchain (without parser) took 869440.40 ms. Allocated memory was 181.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 162.1 MB in the beginning and 834.2 MB in the end (delta: -672.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-08-22 07:20:02,810 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 181.4 MB. Free memory is still 163.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 07:20:02,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.14 ms. Allocated memory is still 181.4 MB. Free memory was 161.9 MB in the beginning and 160.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 07:20:02,810 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 ms. Allocated memory is still 181.4 MB. Free memory was 160.6 MB in the beginning and 159.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 07:20:02,810 INFO L168 Benchmark]: RCFGBuilder took 295.82 ms. Allocated memory is still 181.4 MB. Free memory was 159.5 MB in the beginning and 144.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 07:20:02,811 INFO L168 Benchmark]: TraceAbstraction took 869099.15 ms. Allocated memory was 181.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 144.3 MB in the beginning and 834.2 MB in the end (delta: -690.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-08-22 07:20:02,813 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 0.10 ms. Allocated memory is still 181.4 MB. Free memory is still 163.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.14 ms. Allocated memory is still 181.4 MB. Free memory was 161.9 MB in the beginning and 160.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.25 ms. Allocated memory is still 181.4 MB. Free memory was 160.6 MB in the beginning and 159.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 295.82 ms. Allocated memory is still 181.4 MB. Free memory was 159.5 MB in the beginning and 144.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869099.15 ms. Allocated memory was 181.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 144.3 MB in the beginning and 834.2 MB in the end (delta: -690.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3084, positive: 2404, positive conditional: 2404, positive unconditional: 0, negative: 680, negative conditional: 680, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2540, positive: 2404, positive conditional: 2404, positive unconditional: 0, negative: 136, negative conditional: 136, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2540, positive: 2404, positive conditional: 2404, positive unconditional: 0, negative: 136, negative conditional: 136, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3076, positive: 2404, positive conditional: 2371, positive unconditional: 33, negative: 672, negative conditional: 536, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3076, positive: 2404, positive conditional: 2065, positive unconditional: 339, negative: 672, negative conditional: 238, negative unconditional: 434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3076, positive: 2404, positive conditional: 2065, positive unconditional: 339, negative: 672, negative conditional: 238, negative unconditional: 434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 383, positive: 338, positive conditional: 279, positive unconditional: 59, negative: 45, negative conditional: 36, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 383, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 316, negative conditional: 0, negative unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 316, positive: 271, positive conditional: 266, positive unconditional: 5, negative: 45, negative conditional: 36, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 819, positive: 656, positive conditional: 648, positive unconditional: 8, negative: 163, negative conditional: 84, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3076, positive: 2066, positive conditional: 1786, positive unconditional: 280, negative: 627, negative conditional: 202, negative unconditional: 425, unknown: 383, unknown conditional: 315, unknown unconditional: 68] , Statistics on independence cache: Total cache size (in pairs): 383, Positive cache size: 338, Positive conditional cache size: 279, Positive unconditional cache size: 59, Negative cache size: 45, Negative conditional cache size: 36, Negative unconditional cache size: 9, Eliminated conditions: 604, Maximal queried relation: 8, Independence queries for same thread: 544 - 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: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-2-10-2-10-2-10-2-10-2-10-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-6-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-5-2-3-2-3-1 context. - TimeoutResultAtElement [Line: 71]: 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 74 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-2-10-2-10-2-10-2-10-2-10-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-6-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-5-2-3-2-3-1 context. - TimeoutResultAtElement [Line: 72]: 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 74 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-2-10-2-10-2-10-2-10-2-10-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-6-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-5-2-3-2-3-1 context. - TimeoutResultAtElement [Line: 71]: 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 74 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-3-10-2-10-2-10-2-10-2-10-2-10-2-10-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-8-2-6-2-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-5-2-3-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 869011.9ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 10802.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 204, 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: 50.7ms SsaConstructionTime, 385.4ms SatisfiabilityAnalysisTime, 109487.1ms InterpolantComputationTime, 750 NumberOfCodeBlocks, 750 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 734 ConstructedInterpolants, 0 QuantifiedInterpolants, 42454 SizeOfPredicates, 42 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 192 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 36/1147 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