/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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 19:46:48,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 19:46:48,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 19:46:48,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 19:46:48,179 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-MCRwithoutDepranks.epf [2022-02-16 19:46:48,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 19:46:48,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 19:46:48,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 19:46:48,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 19:46:48,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 19:46:48,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 19:46:48,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 19:46:48,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 19:46:48,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 19:46:48,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 19:46:48,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 19:46:48,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 19:46:48,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 19:46:48,212 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 19:46:48,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 19:46:48,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 19:46:48,212 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 19:46:48,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 19:46:48,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 19:46:48,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 19:46:48,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 19:46:48,419 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 19:46:48,419 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 19:46:48,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl [2022-02-16 19:46:48,420 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl' [2022-02-16 19:46:48,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 19:46:48,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 19:46:48,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 19:46:48,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 19:46:48,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 19:46:48,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,463 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 19:46:48,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 19:46:48,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 19:46:48,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 19:46:48,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 19:46:48,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 19:46:48,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 19:46:48,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 19:46:48,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 19:46:48,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/1) ... [2022-02-16 19:46:48,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 19:46:48,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:46:48,505 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) [2022-02-16 19:46:48,524 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 [2022-02-16 19:46:48,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 19:46:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 19:46:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 19:46:48,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 19:46:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 19:46:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 19:46:48,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 19:46:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 19:46:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 19:46:48,542 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 19:46:48,578 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 19:46:48,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 19:46:48,643 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 19:46:48,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 19:46:48,659 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 19:46:48,661 INFO L202 PluginConnector]: Adding new model mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 07:46:48 BoogieIcfgContainer [2022-02-16 19:46:48,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 19:46:48,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 19:46:48,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 19:46:48,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 19:46:48,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 07:46:48" (1/2) ... [2022-02-16 19:46:48,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcdd5be and model type mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 07:46:48, skipping insertion in model container [2022-02-16 19:46:48,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 07:46:48" (2/2) ... [2022-02-16 19:46:48,678 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.bpl [2022-02-16 19:46:48,682 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 19:46:48,682 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 19:46:48,682 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 19:46:48,682 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 19:46:48,714 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-16 19:46:48,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 19:46:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:46:48,755 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) [2022-02-16 19:46:48,777 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 [2022-02-16 19:46:48,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 19:46:48,794 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, 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 [2022-02-16 19:46:48,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 19:46:48,799 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 19 transitions, 54 flow [2022-02-16 19:46:48,811 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 29 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 28 states have internal predecessors, (53), 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) [2022-02-16 19:46:48,913 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 157 states. [2022-02-16 19:46:48,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 19:46:48,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:46:48,919 INFO L85 PathProgramCache]: Analyzing trace with hash -971661726, now seen corresponding path program 1 times [2022-02-16 19:46:48,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:46:48,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030581658] [2022-02-16 19:46:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:46:48,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:46:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:46:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:46:50,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 19:46:50,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030581658] [2022-02-16 19:46:50,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030581658] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 19:46:50,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339013476] [2022-02-16 19:46:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:46:50,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 19:46:50,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:46:50,223 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) [2022-02-16 19:46:50,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 19:46:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:46:50,271 WARN L261 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 111 conjunts are in the unsatisfiable core [2022-02-16 19:46:50,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 19:46:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:46:52,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 19:46:56,957 WARN L838 $PredicateComparison]: unable to prove that (forall ((a Int)) (or (< (+ 6 c_i_2) a) (not (< (+ 5 c_i_2) a)) (and (< (+ c_i_1 18) (div (+ (* 19 a) c_x_1 (* (- 1) c_x_2)) 6)) (<= (div (+ c_x_2 (* (- 1) c_x_1) (* a (- 19))) (- 6)) (+ 19 c_i_1))))) is different from false [2022-02-16 19:46:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 37 not checked. [2022-02-16 19:46:57,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339013476] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 19:46:57,075 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 19:46:57,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 89 [2022-02-16 19:46:57,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663187960] [2022-02-16 19:46:57,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 19:46:57,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-02-16 19:46:57,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 19:46:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-02-16 19:46:57,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=7140, Unknown=1, NotChecked=174, Total=8010 [2022-02-16 19:46:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:46:57,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 19:46:57,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 1.9222222222222223) internal successors, (173), 89 states have internal predecessors, (173), 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) [2022-02-16 19:46:57,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:47:03,942 WARN L228 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 59 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 19:47:24,682 WARN L228 SmtUtils]: Spent 20.30s on a formula simplification. DAG size of input: 67 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 19:48:28,426 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 253 transitions and produced 215 states. [2022-02-16 19:48:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-16 19:48:28,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 19:48:28,629 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 [2022-02-16 19:48:28,629 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 19:48:28,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:48:28,630 INFO L85 PathProgramCache]: Analyzing trace with hash -277270406, now seen corresponding path program 2 times [2022-02-16 19:48:28,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:48:28,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972668323] [2022-02-16 19:48:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:48:28,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:48:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:48:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 0 proven. 997 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:48:34,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 19:48:34,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972668323] [2022-02-16 19:48:34,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972668323] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 19:48:34,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940440230] [2022-02-16 19:48:34,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 19:48:34,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 19:48:34,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:48:34,811 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) [2022-02-16 19:48:34,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 19:48:34,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 19:48:34,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 19:48:34,867 WARN L261 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 159 conjunts are in the unsatisfiable core [2022-02-16 19:48:34,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 19:48:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 0 proven. 997 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:48:49,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 19:50:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 0 proven. 997 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:50:04,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940440230] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 19:50:04,374 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 19:50:04,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 125 [2022-02-16 19:50:04,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105623495] [2022-02-16 19:50:04,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 19:50:04,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-02-16 19:50:04,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 19:50:04,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-02-16 19:50:04,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1263, Invalid=14475, Unknown=12, NotChecked=0, Total=15750 [2022-02-16 19:50:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:50:04,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 19:50:04,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 1.9444444444444444) internal successors, (245), 125 states have internal predecessors, (245), 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) [2022-02-16 19:50:04,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-16 19:50:04,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:52:45,395 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 358 transitions and produced 302 states. [2022-02-16 19:52:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-16 19:52:45,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-02-16 19:52:45,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-16 19:52:45,596 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 [2022-02-16 19:52:45,597 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 19:52:45,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:52:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -793687144, now seen corresponding path program 3 times [2022-02-16 19:52:45,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:52:45,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777620399] [2022-02-16 19:52:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:52:45,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:52:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:52:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:52:57,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 19:52:57,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777620399] [2022-02-16 19:52:57,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777620399] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 19:52:57,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762516709] [2022-02-16 19:52:57,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 19:52:57,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 19:52:57,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:52:57,981 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) [2022-02-16 19:52:57,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 19:52:58,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-02-16 19:52:58,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 19:52:58,071 WARN L261 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 219 conjunts are in the unsatisfiable core [2022-02-16 19:52:58,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 19:53:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:53:28,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 19:55:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 0 proven. 2152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:55:02,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762516709] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 19:55:02,876 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 19:55:02,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58, 58] total 170 [2022-02-16 19:55:02,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215629309] [2022-02-16 19:55:02,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 19:55:02,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2022-02-16 19:55:02,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 19:55:02,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2022-02-16 19:55:02,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2301, Invalid=26756, Unknown=13, NotChecked=0, Total=29070 [2022-02-16 19:55:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:55:02,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 19:55:02,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 1.95906432748538) internal successors, (335), 170 states have internal predecessors, (335), 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) [2022-02-16 19:55:02,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-02-16 19:55:02,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-02-16 19:55:02,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 20:00:37,860 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 484 transitions and produced 410 states. [2022-02-16 20:00:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-02-16 20:00:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-02-16 20:00:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2022-02-16 20:00:37,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 20:00:38,063 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 [2022-02-16 20:00:38,064 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 20:00:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 20:00:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1541415996, now seen corresponding path program 4 times [2022-02-16 20:00:38,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 20:00:38,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910529167] [2022-02-16 20:00:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 20:00:38,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 20:00:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 20:01:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4132 backedges. 0 proven. 4132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 20:01:00,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 20:01:00,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910529167] [2022-02-16 20:01:00,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910529167] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 20:01:00,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713917288] [2022-02-16 20:01:00,216 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 20:01:00,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 20:01:00,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 20:01:00,218 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) [2022-02-16 20:01:00,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 20:01:00,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 20:01:00,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 20:01:00,297 WARN L261 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 291 conjunts are in the unsatisfiable core [2022-02-16 20:01:00,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-16 20:01:28,812 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-16 20:01:28,814 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-16 20:01:28,830 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 20:01:28,830 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 [2022-02-16 20:01:28,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 20:01:28,840 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 [2022-02-16 20:01:29,014 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 [2022-02-16 20:01:29,015 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 152 with TraceHistMax 64,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. [2022-02-16 20:01:29,016 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-16 20:01:29,016 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-16 20:01:29,020 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-02-16 20:01:29,022 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 20:01:29,022 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 20:01:29,023 INFO L202 PluginConnector]: Adding new model mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 08:01:29 BasicIcfg [2022-02-16 20:01:29,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 20:01:29,024 INFO L158 Benchmark]: Toolchain (without parser) took 880580.88ms. Allocated memory was 223.3MB in the beginning and 356.5MB in the end (delta: 133.2MB). Free memory was 184.7MB in the beginning and 110.2MB in the end (delta: 74.4MB). Peak memory consumption was 209.6MB. Max. memory is 8.0GB. [2022-02-16 20:01:29,024 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 223.3MB. Free memory is still 185.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 20:01:29,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.12ms. Allocated memory is still 223.3MB. Free memory was 184.6MB in the beginning and 183.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-16 20:01:29,025 INFO L158 Benchmark]: Boogie Preprocessor took 14.01ms. Allocated memory is still 223.3MB. Free memory was 183.1MB in the beginning and 182.2MB in the end (delta: 907.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 20:01:29,025 INFO L158 Benchmark]: RCFGBuilder took 180.63ms. Allocated memory is still 223.3MB. Free memory was 182.1MB in the beginning and 173.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-16 20:01:29,026 INFO L158 Benchmark]: TraceAbstraction took 880361.63ms. Allocated memory was 223.3MB in the beginning and 356.5MB in the end (delta: 133.2MB). Free memory was 172.8MB in the beginning and 110.2MB in the end (delta: 62.5MB). Peak memory consumption was 196.0MB. Max. memory is 8.0GB. [2022-02-16 20:01:29,045 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 0.09ms. Allocated memory is still 223.3MB. Free memory is still 185.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.12ms. Allocated memory is still 223.3MB. Free memory was 184.6MB in the beginning and 183.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.01ms. Allocated memory is still 223.3MB. Free memory was 183.1MB in the beginning and 182.2MB in the end (delta: 907.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 180.63ms. Allocated memory is still 223.3MB. Free memory was 182.1MB in the beginning and 173.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 880361.63ms. Allocated memory was 223.3MB in the beginning and 356.5MB in the end (delta: 133.2MB). Free memory was 172.8MB in the beginning and 110.2MB in the end (delta: 62.5MB). Peak memory consumption was 196.0MB. Max. memory is 8.0GB. * 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 152 with TraceHistMax 64,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 45]: 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 152 with TraceHistMax 64,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 45]: 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 152 with TraceHistMax 64,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 28 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 880.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 587.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 513, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 240.8s InterpolantComputationTime, 522 NumberOfCodeBlocks, 522 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 774 ConstructedInterpolants, 12 QuantifiedInterpolants, 25282 SizeOfPredicates, 24 NumberOfNonLiveVariables, 672 ConjunctsInSsa, 489 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 0/10638 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