/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 16:47:31,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 16:47:31,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 16:47:31,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-06 16:47:31,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf [2021-08-06 16:47:31,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 16:47:31,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 16:47:31,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-06 16:47:31,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-06 16:47:31,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 16:47:31,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 16:47:31,476 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 16:47:31,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 16:47:31,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 16:47:31,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 16:47:31,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 16:47:31,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 16:47:31,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 16:47:31,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 16:47:31,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 16:47:31,479 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 16:47:31,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-06 16:47:31,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 16:47:31,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 16:47:31,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 16:47:31,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 16:47:31,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 16:47:31,740 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-06 16:47:31,741 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-06 16:47:31,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2021-08-06 16:47:31,742 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2021-08-06 16:47:31,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 16:47:31,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-06 16:47:31,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 16:47:31,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 16:47:31,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 16:47:31,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 16:47:31,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 16:47:31,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 16:47:31,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 16:47:31,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 16:47:31,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 16:47:31,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 16:47:31,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 16:47:31,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/1) ... [2021-08-06 16:47:31,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 16:47:31,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 16:47:31,830 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) [2021-08-06 16:47:31,835 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 [2021-08-06 16:47:31,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-06 16:47:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-06 16:47:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-06 16:47:31,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-06 16:47:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-06 16:47:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-06 16:47:31,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-06 16:47:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 16:47:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 16:47:31,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-06 16:47:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-06 16:47:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-06 16:47:31,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-06 16:47:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-06 16:47:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-06 16:47:31,859 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 16:47:31,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 16:47:31,995 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-06 16:47:31,996 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:31 BoogieIcfgContainer [2021-08-06 16:47:31,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 16:47:31,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 16:47:31,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 16:47:31,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 16:47:32,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:31" (1/2) ... [2021-08-06 16:47:32,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca86fea and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 04:47:32, skipping insertion in model container [2021-08-06 16:47:32,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:31" (2/2) ... [2021-08-06 16:47:32,001 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2021-08-06 16:47:32,004 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 16:47:32,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 16:47:32,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-06 16:47:32,004 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 16:47:32,047 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-06 16:47:32,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-06 16:47:32,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 16:47:32,100 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) [2021-08-06 16:47:32,101 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 [2021-08-06 16:47:32,117 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 16:47:32,121 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 [2021-08-06 16:47:32,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-06 16:47:32,130 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 57 transitions, 146 flow [2021-08-06 16:47:32,428 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12225 states, 12224 states have (on average 3.9794666230366493) internal successors, (48645), 12224 states have internal predecessors, (48645), 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) [2021-08-06 16:47:32,450 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-06 16:47:32,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 16:47:32,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1870489022, now seen corresponding path program 1 times [2021-08-06 16:47:32,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 16:47:32,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834925277] [2021-08-06 16:47:32,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 16:47:32,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 16:47:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 16:47:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-08-06 16:47:35,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 16:47:35,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834925277] [2021-08-06 16:47:35,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834925277] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 16:47:35,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534684058] [2021-08-06 16:47:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 16:47:35,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 16:47:35,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 16:47:35,108 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) [2021-08-06 16:47:35,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-06 16:47:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 16:47:35,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 59 conjunts are in the unsatisfiable core [2021-08-06 16:47:35,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 16:49:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-08-06 16:49:31,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534684058] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 16:49:31,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 16:49:31,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 59] total 124 [2021-08-06 16:49:31,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740811459] [2021-08-06 16:49:31,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2021-08-06 16:49:31,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 16:49:31,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2021-08-06 16:49:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=15173, Unknown=8, NotChecked=0, Total=15500 [2021-08-06 16:49:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 16:49:31,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 16:49:31,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 2.368) internal successors, (296), 124 states have internal predecessors, (296), 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) [2021-08-06 16:49:31,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 16:52:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 16:52:03,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-06 16:52:03,587 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 [2021-08-06 16:52:03,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-06 16:52:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 16:52:03,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1669347979, now seen corresponding path program 2 times [2021-08-06 16:52:03,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 16:52:03,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141620935] [2021-08-06 16:52:03,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 16:52:03,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 16:52:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 16:52:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-08-06 16:52:04,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 16:52:04,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141620935] [2021-08-06 16:52:04,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141620935] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 16:52:04,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743775913] [2021-08-06 16:52:04,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 16:52:04,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 16:52:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 16:52:04,614 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) [2021-08-06 16:52:04,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-06 16:52:04,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 16:52:04,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 16:52:04,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-06 16:52:04,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 16:52:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-08-06 16:52:06,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743775913] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 16:52:06,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 16:52:06,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 17] total 61 [2021-08-06 16:52:06,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564201819] [2021-08-06 16:52:06,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-08-06 16:52:06,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 16:52:06,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-08-06 16:52:06,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=3645, Unknown=0, NotChecked=0, Total=3782 [2021-08-06 16:52:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 16:52:06,916 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 16:52:06,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.4516129032258065) internal successors, (214), 61 states have internal predecessors, (214), 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) [2021-08-06 16:52:06,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-06 16:52:06,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 16:52:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 16:52:21,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-08-06 16:52:21,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-06 16:52:21,728 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 [2021-08-06 16:52:21,728 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-06 16:52:21,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 16:52:21,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1911445340, now seen corresponding path program 3 times [2021-08-06 16:52:21,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 16:52:21,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616366924] [2021-08-06 16:52:21,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 16:52:21,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 16:52:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 16:52:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 698 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-06 16:52:32,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 16:52:32,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616366924] [2021-08-06 16:52:32,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616366924] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 16:52:32,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211922657] [2021-08-06 16:52:32,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 16:52:32,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 16:52:32,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 16:52:32,268 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) [2021-08-06 16:52:32,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-06 16:52:32,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-08-06 16:52:32,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 16:52:32,811 WARN L261 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 397 conjunts are in the unsatisfiable core [2021-08-06 16:52:32,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-08-06 17:02:08,623 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-06 17:02:08,635 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 [2021-08-06 17:02:08,649 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 [2021-08-06 17:02:09,394 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-06 17:02:09,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-06 17:02:09,595 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 [2021-08-06 17:02:09,595 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 156 known predicates. [2021-08-06 17:02:09,596 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 17:02:09,597 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 17:02:09,597 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-06 17:02:09,597 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-06 17:02:09,602 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 17:02:09,602 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 17:02:09,603 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:02:09 BasicIcfg [2021-08-06 17:02:09,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 17:02:09,604 INFO L168 Benchmark]: Toolchain (without parser) took 877834.60 ms. Allocated memory was 197.1 MB in the beginning and 395.3 MB in the end (delta: 198.2 MB). Free memory was 177.0 MB in the beginning and 138.0 MB in the end (delta: 39.1 MB). Peak memory consumption was 238.0 MB. Max. memory is 8.0 GB. [2021-08-06 17:02:09,604 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 178.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 17:02:09,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.69 ms. Allocated memory is still 197.1 MB. Free memory was 177.0 MB in the beginning and 175.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-06 17:02:09,604 INFO L168 Benchmark]: Boogie Preprocessor took 11.38 ms. Allocated memory is still 197.1 MB. Free memory was 175.6 MB in the beginning and 174.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-06 17:02:09,604 INFO L168 Benchmark]: RCFGBuilder took 192.87 ms. Allocated memory is still 197.1 MB. Free memory was 174.5 MB in the beginning and 160.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-06 17:02:09,604 INFO L168 Benchmark]: TraceAbstraction took 877605.63 ms. Allocated memory was 197.1 MB in the beginning and 395.3 MB in the end (delta: 198.2 MB). Free memory was 159.7 MB in the beginning and 138.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 221.2 MB. Max. memory is 8.0 GB. [2021-08-06 17:02:09,604 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 197.1 MB. Free memory is still 178.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.69 ms. Allocated memory is still 197.1 MB. Free memory was 177.0 MB in the beginning and 175.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.38 ms. Allocated memory is still 197.1 MB. Free memory was 175.6 MB in the beginning and 174.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 192.87 ms. Allocated memory is still 197.1 MB. Free memory was 174.5 MB in the beginning and 160.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 877605.63 ms. Allocated memory was 197.1 MB in the beginning and 395.3 MB in the end (delta: 198.2 MB). Free memory was 159.7 MB in the beginning and 138.0 MB in the end (delta: 21.7 MB). Peak memory consumption was 221.2 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 156 known predicates. - TimeoutResultAtElement [Line: 75]: 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 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 156 known predicates. - TimeoutResultAtElement [Line: 77]: 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 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 156 known predicates. - TimeoutResultAtElement [Line: 76]: 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 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 156 known predicates. - TimeoutResultAtElement [Line: 75]: 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 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 156 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 877512.2ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 307.0ms, PartialOrderReductionTime: 166226.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12225occurred in iteration=0, InterpolantAutomatonStates: 110, 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: 51.3ms SsaConstructionTime, 420.0ms SatisfiabilityAnalysisTime, 121853.9ms InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 792 ConstructedInterpolants, 0 QuantifiedInterpolants, 10620 SizeOfPredicates, 6 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 852/2010 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