/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:13:34,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:13:34,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:13:34,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:13:34,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 01:13:34,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 01:13:34,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 01:13:34,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-23 01:13:34,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:13:34,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:13:34,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:13:34,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:13:34,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:13:34,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:13:34,781 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:13:34,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:13:34,781 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:13:34,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:13:34,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:13:34,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:13:34,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:13:34,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:13:34,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:13:34,783 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:13:34,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:13:34,783 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:13:34,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:13:34,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:13:34,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:13:34,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:13:34,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:13:34,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:13:34,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:13:34,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:13:34,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:13:34,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:13:34,785 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:13:34,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:13:34,785 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:13:34,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:13:34,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:13:34,786 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:13:34,786 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:13:34,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:13:35,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:13:35,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:13:35,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:13:35,118 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:13:35,119 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:13:35,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-08-23 01:13:35,120 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-08-23 01:13:35,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:13:35,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:13:35,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:13:35,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:13:35,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:13:35,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:13:35,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:13:35,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:13:35,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:13:35,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:13:35,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:13:35,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:13:35,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:13:35,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/1) ... [2021-08-23 01:13:35,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:13:35,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:35,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-23 01:13:35,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-23 01:13:35,274 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:13:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:13:35,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:13:35,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:13:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:13:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:13:35,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:13:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:13:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:13:35,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:13:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:13:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:13:35,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-23 01:13:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-23 01:13:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-23 01:13:35,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-23 01:13:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-23 01:13:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-23 01:13:35,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-08-23 01:13:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-08-23 01:13:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-08-23 01:13:35,279 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 01:13:35,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:13:35,514 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 01:13:35,515 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:13:35 BoogieIcfgContainer [2021-08-23 01:13:35,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:13:35,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:13:35,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:13:35,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:13:35,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:13:35" (1/2) ... [2021-08-23 01:13:35,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f020a98 and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:13:35, skipping insertion in model container [2021-08-23 01:13:35,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:13:35" (2/2) ... [2021-08-23 01:13:35,538 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-08-23 01:13:35,542 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:13:35,542 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:13:35,543 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:13:35,543 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:13:35,674 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-08-23 01:13:35,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:13:35,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:35,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-23 01:13:35,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-23 01:13:35,746 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:13:35,772 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-23 01:13:35,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-23 01:13:36,033 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:13:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:13:36,041 INFO L82 PathProgramCache]: Analyzing trace with hash 16559203, now seen corresponding path program 1 times [2021-08-23 01:13:36,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:13:36,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954199682] [2021-08-23 01:13:36,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:13:36,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:13:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:13:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 15 proven. 201 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-23 01:13:36,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:13:36,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954199682] [2021-08-23 01:13:36,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954199682] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:36,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033071268] [2021-08-23 01:13:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:13:36,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:36,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:36,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:13:36,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 01:13:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:13:36,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-23 01:13:36,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:13:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 113 proven. 20 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-23 01:13:37,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033071268] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:37,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:13:37,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2021-08-23 01:13:37,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321503236] [2021-08-23 01:13:37,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-23 01:13:37,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:13:37,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-23 01:13:37,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-08-23 01:13:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:37,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:13:37,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.0625) internal successors, (129), 15 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:13:37,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:13:37,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-23 01:13:37,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-23 01:13:37,815 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:13:37,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:13:37,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1914483583, now seen corresponding path program 2 times [2021-08-23 01:13:37,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:13:37,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101027897] [2021-08-23 01:13:37,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:13:37,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:13:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:13:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 186 proven. 44 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-08-23 01:13:38,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:13:38,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101027897] [2021-08-23 01:13:38,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101027897] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:38,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065893806] [2021-08-23 01:13:38,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:13:38,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:38,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:38,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:13:38,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 01:13:38,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:13:38,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:13:38,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-23 01:13:38,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:13:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 179 proven. 31 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-08-23 01:13:38,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065893806] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:38,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:13:38,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2021-08-23 01:13:38,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673984343] [2021-08-23 01:13:38,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 01:13:38,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:13:38,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 01:13:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-23 01:13:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:38,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:13:38,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.7368421052631575) internal successors, (128), 18 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:13:38,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:13:38,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:13:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:13:39,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 01:13:39,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:39,785 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:13:39,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:13:39,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1859972379, now seen corresponding path program 3 times [2021-08-23 01:13:39,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:13:39,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582555314] [2021-08-23 01:13:39,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:13:39,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:13:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:13:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 161 proven. 246 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-23 01:13:40,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:13:40,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582555314] [2021-08-23 01:13:40,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582555314] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:40,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839509536] [2021-08-23 01:13:40,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:13:40,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:40,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:13:40,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 01:13:40,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-23 01:13:40,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:13:40,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-23 01:13:40,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:13:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 336 proven. 68 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-23 01:13:42,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839509536] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:42,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:13:42,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 31 [2021-08-23 01:13:42,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392288597] [2021-08-23 01:13:42,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-23 01:13:42,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:13:42,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-23 01:13:42,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2021-08-23 01:13:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:42,648 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:13:42,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.46875) internal successors, (207), 31 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:13:42,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-23 01:13:42,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:13:42,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:13:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:13:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-23 01:13:47,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 01:13:47,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:47,713 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:13:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:13:47,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1243452917, now seen corresponding path program 4 times [2021-08-23 01:13:47,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:13:47,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004888935] [2021-08-23 01:13:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:13:47,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:13:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:13:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 640 proven. 348 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-23 01:13:48,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:13:48,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004888935] [2021-08-23 01:13:48,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004888935] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:48,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264544053] [2021-08-23 01:13:48,213 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:13:48,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:48,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:48,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:13:48,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 01:13:48,451 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:13:48,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:13:48,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 23 conjunts are in the unsatisfiable core [2021-08-23 01:13:48,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:13:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 844 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-08-23 01:13:50,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264544053] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:50,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:13:50,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23] total 48 [2021-08-23 01:13:50,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634395678] [2021-08-23 01:13:50,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-08-23 01:13:50,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:13:50,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-08-23 01:13:50,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2081, Unknown=0, NotChecked=0, Total=2352 [2021-08-23 01:13:50,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:50,974 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:13:50,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.918367346938775) internal successors, (290), 48 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:13:50,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:13:50,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:13:50,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-08-23 01:13:50,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:13:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:13:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:13:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-08-23 01:13:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-23 01:13:58,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 01:13:58,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:58,719 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:13:58,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:13:58,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1799590175, now seen corresponding path program 5 times [2021-08-23 01:13:58,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:13:58,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423619454] [2021-08-23 01:13:58,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:13:58,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:13:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:13:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 71 proven. 253 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-08-23 01:13:58,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:13:58,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423619454] [2021-08-23 01:13:58,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423619454] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:13:58,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718310411] [2021-08-23 01:13:58,900 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:13:58,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:13:58,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:13:58,905 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:13:58,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 01:13:59,309 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-08-23 01:13:59,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:13:59,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-23 01:13:59,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:14:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 778 proven. 145 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-23 01:14:01,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718310411] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:14:01,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:14:01,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 27] total 30 [2021-08-23 01:14:01,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767520381] [2021-08-23 01:14:01,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-23 01:14:01,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:14:01,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-23 01:14:01,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=736, Unknown=0, NotChecked=0, Total=930 [2021-08-23 01:14:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:14:01,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:14:01,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.258064516129032) internal successors, (194), 30 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:14:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:14:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:14:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-08-23 01:14:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-23 01:14:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:14:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:14:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:14:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-08-23 01:14:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-23 01:14:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-23 01:14:11,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 01:14:11,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:14:11,598 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:14:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:14:11,599 INFO L82 PathProgramCache]: Analyzing trace with hash -46300173, now seen corresponding path program 6 times [2021-08-23 01:14:11,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:14:11,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834049517] [2021-08-23 01:14:11,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:14:11,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:14:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:14:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2021-08-23 01:14:11,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:14:11,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834049517] [2021-08-23 01:14:11,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834049517] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:14:11,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039731734] [2021-08-23 01:14:11,900 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:14:11,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:14:11,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:14:11,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-23 01:14:11,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 01:14:12,365 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-08-23 01:14:12,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:14:12,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 41 conjunts are in the unsatisfiable core [2021-08-23 01:14:12,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:14:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 1555 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:14:18,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039731734] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:14:18,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:14:18,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 41] total 44 [2021-08-23 01:14:18,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590778303] [2021-08-23 01:14:18,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-08-23 01:14:18,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:14:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-08-23 01:14:18,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1548, Unknown=0, NotChecked=0, Total=1980 [2021-08-23 01:14:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:14:18,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:14:18,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.555555555555555) internal successors, (250), 44 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:14:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:14:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:14:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-08-23 01:14:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-23 01:14:18,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-08-23 01:14:18,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:14:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:14:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 01:14:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-08-23 01:14:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-23 01:14:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-23 01:14:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-08-23 01:14:27,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 01:14:27,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:14:27,358 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-08-23 01:14:27,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:14:27,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797745, now seen corresponding path program 7 times [2021-08-23 01:14:27,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:14:27,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828609035] [2021-08-23 01:14:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:14:27,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:14:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:14:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2021-08-23 01:14:29,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:14:29,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828609035] [2021-08-23 01:14:29,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828609035] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:14:29,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856376924] [2021-08-23 01:14:29,829 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 01:14:29,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:14:29,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:14:29,831 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) [2021-08-23 01:14:29,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 01:14:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:14:30,438 WARN L261 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 247 conjunts are in the unsatisfiable core [2021-08-23 01:14:30,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-08-23 01:28:00,741 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:28:00,756 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:28:00,758 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:28:00,772 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 01:28:00,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 01:28:00,973 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,SelfDestructingSolverStorable6 [2021-08-23 01:28:00,973 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. [2021-08-23 01:28:00,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 01:28:00,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 01:28:00,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 01:28:00,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 01:28:00,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-23 01:28:00,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-23 01:28:00,983 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 01:28:00,983 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 01:28:00,985 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:28:00 BasicIcfg [2021-08-23 01:28:00,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 01:28:00,986 INFO L168 Benchmark]: Toolchain (without parser) took 865835.92 ms. Allocated memory was 191.9 MB in the beginning and 662.7 MB in the end (delta: 470.8 MB). Free memory was 171.9 MB in the beginning and 363.6 MB in the end (delta: -191.7 MB). Peak memory consumption was 280.3 MB. Max. memory is 8.0 GB. [2021-08-23 01:28:00,986 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 173.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 01:28:00,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.65 ms. Allocated memory is still 191.9 MB. Free memory was 171.9 MB in the beginning and 170.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 01:28:00,987 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 ms. Allocated memory is still 191.9 MB. Free memory was 170.3 MB in the beginning and 169.4 MB in the end (delta: 891.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 01:28:00,987 INFO L168 Benchmark]: RCFGBuilder took 311.04 ms. Allocated memory is still 191.9 MB. Free memory was 169.3 MB in the beginning and 156.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-23 01:28:00,989 INFO L168 Benchmark]: TraceAbstraction took 865467.69 ms. Allocated memory was 191.9 MB in the beginning and 662.7 MB in the end (delta: 470.8 MB). Free memory was 155.9 MB in the beginning and 363.6 MB in the end (delta: -207.8 MB). Peak memory consumption was 264.5 MB. Max. memory is 8.0 GB. [2021-08-23 01:28:00,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 191.9 MB. Free memory is still 173.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.65 ms. Allocated memory is still 191.9 MB. Free memory was 171.9 MB in the beginning and 170.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.00 ms. Allocated memory is still 191.9 MB. Free memory was 170.3 MB in the beginning and 169.4 MB in the end (delta: 891.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 311.04 ms. Allocated memory is still 191.9 MB. Free memory was 169.3 MB in the beginning and 156.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 865467.69 ms. Allocated memory was 191.9 MB in the beginning and 662.7 MB in the end (delta: 470.8 MB). Free memory was 155.9 MB in the beginning and 363.6 MB in the end (delta: -207.8 MB). Peak memory consumption was 264.5 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: 32444, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 2765, negative conditional: 2765, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 26467, positive unconditional: 3212, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 19176, positive unconditional: 10503, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 19176, positive unconditional: 10503, 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: 1402, positive: 1402, positive conditional: 5, positive unconditional: 1397, 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: 1402, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29679, positive: 28277, positive conditional: 19171, positive unconditional: 9106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1402, unknown conditional: 5, unknown unconditional: 1397] , Statistics on independence cache: Total cache size (in pairs): 1402, Positive cache size: 1402, Positive conditional cache size: 5, Positive unconditional cache size: 1397, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 7291, Maximal queried relation: 0, Independence queries for same thread: 2765 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 128, Number of persistent set computation: 316, Number of trivial persistent sets: 24, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1633, positive: 1633, positive conditional: 0, positive unconditional: 1633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32444, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 2765, negative conditional: 2765, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 26467, positive unconditional: 3212, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 19176, positive unconditional: 10503, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 19176, positive unconditional: 10503, 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: 1402, positive: 1402, positive conditional: 5, positive unconditional: 1397, 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: 1402, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29679, positive: 28277, positive conditional: 19171, positive unconditional: 9106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1402, unknown conditional: 5, unknown unconditional: 1397] , Statistics on independence cache: Total cache size (in pairs): 1402, Positive cache size: 1402, Positive conditional cache size: 5, Positive unconditional cache size: 1397, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 7291, Maximal queried relation: 0, Independence queries for same thread: 2765 - 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 70]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 69]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 73]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 69]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 72 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 865271.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.9ms, PartialOrderReductionTime: 32532.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 299, 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: 114.0ms SsaConstructionTime, 765.5ms SatisfiabilityAnalysisTime, 15558.7ms InterpolantComputationTime, 1792 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1780 ConstructedInterpolants, 0 QuantifiedInterpolants, 23090 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1720 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 7507/9074 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