/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:17:34,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:17:34,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:17:34,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 01:17:34,650 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-04 01:17:34,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:17:34,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:17:34,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:17:34,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:17:34,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:17:34,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:17:34,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:17:34,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:17:34,675 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:17:34,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:17:34,676 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:17:34,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:17:34,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:17:34,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:17:34,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:17:34,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:17:34,678 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:17:34,679 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:17:34,679 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:17:34,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:17:34,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:17:34,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:17:34,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:17:34,840 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:17:34,841 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:17:34,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl [2022-03-04 01:17:34,842 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl' [2022-03-04 01:17:34,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:17:34,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:17:34,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:17:34,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:17:34,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:17:34,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,897 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:17:34,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:17:34,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:17:34,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:17:34,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:17:34,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:17:34,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:17:34,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:17:34,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:17:34,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/1) ... [2022-03-04 01:17:34,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:17:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:17:34,952 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) [2022-03-04 01:17:34,963 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 [2022-03-04 01:17:34,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:17:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:17:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:17:35,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:17:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:17:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:17:35,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:17:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:17:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:17:35,002 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 01:17:35,037 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:17:35,039 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:17:35,127 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:17:35,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:17:35,154 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:17:35,155 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:17:35 BoogieIcfgContainer [2022-03-04 01:17:35,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:17:35,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:17:35,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:17:35,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:17:35,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:17:34" (1/2) ... [2022-03-04 01:17:35,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e69af3 and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:17:35, skipping insertion in model container [2022-03-04 01:17:35,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:17:35" (2/2) ... [2022-03-04 01:17:35,180 INFO L111 eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl [2022-03-04 01:17:35,183 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:17:35,183 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:17:35,183 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:17:35,183 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:17:35,217 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-04 01:17:35,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:17:35,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:17:35,264 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) [2022-03-04 01:17:35,265 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 [2022-03-04 01:17:35,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:17:35,289 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=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-04 01:17:35,289 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 01:17:35,586 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 441 transitions and produced 366 states. [2022-03-04 01:17:35,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 01:17:35,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:17:35,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1158612125, now seen corresponding path program 1 times [2022-03-04 01:17:35,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:17:35,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883355458] [2022-03-04 01:17:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:17:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:17:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:17:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-03-04 01:17:35,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:17:35,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883355458] [2022-03-04 01:17:35,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883355458] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 01:17:35,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 01:17:35,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 01:17:35,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758257785] [2022-03-04 01:17:35,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 01:17:35,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 01:17:35,839 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:17:35,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 01:17:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 01:17:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:35,873 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:17:35,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2022-03-04 01:17:35,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:36,043 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 339 transitions and produced 295 states. [2022-03-04 01:17:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:36,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 01:17:36,044 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 01:17:36,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:17:36,047 INFO L85 PathProgramCache]: Analyzing trace with hash -479472553, now seen corresponding path program 2 times [2022-03-04 01:17:36,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:17:36,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677776782] [2022-03-04 01:17:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:17:36,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:17:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:17:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-03-04 01:17:36,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:17:36,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677776782] [2022-03-04 01:17:36,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677776782] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:17:36,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789991882] [2022-03-04 01:17:36,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:17:36,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:17:36,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:17:36,292 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) [2022-03-04 01:17:36,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 01:17:36,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:17:36,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:17:36,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-04 01:17:36,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:17:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-03-04 01:17:36,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 01:17:36,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789991882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 01:17:36,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 01:17:36,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-03-04 01:17:36,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983309928] [2022-03-04 01:17:36,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 01:17:36,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 01:17:36,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:17:36,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 01:17:36,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-04 01:17:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:36,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:17:36,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-03-04 01:17:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:36,772 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 302 transitions and produced 244 states. [2022-03-04 01:17:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 01:17:36,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 01:17:36,987 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,SelfDestructingSolverStorable1 [2022-03-04 01:17:36,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 01:17:36,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:17:36,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1602754043, now seen corresponding path program 3 times [2022-03-04 01:17:36,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:17:36,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797171125] [2022-03-04 01:17:36,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:17:36,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:17:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:17:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 442 proven. 96 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-03-04 01:17:37,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:17:37,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797171125] [2022-03-04 01:17:37,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797171125] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:17:37,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296061165] [2022-03-04 01:17:37,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 01:17:37,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:17:37,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:17:37,230 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) [2022-03-04 01:17:37,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 01:17:37,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-04 01:17:37,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:17:37,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-04 01:17:37,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:17:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 477 proven. 62 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-03-04 01:17:37,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:17:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 477 proven. 62 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-03-04 01:17:37,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296061165] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:17:37,915 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:17:37,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2022-03-04 01:17:37,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547005042] [2022-03-04 01:17:37,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:17:37,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-04 01:17:37,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:17:37,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-04 01:17:37,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2022-03-04 01:17:37,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:37,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:17:37,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 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) [2022-03-04 01:17:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 01:17:37,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:38,026 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 309 transitions and produced 261 states. [2022-03-04 01:17:38,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 01:17:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 01:17:38,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 01:17:38,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:17:38,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 01:17:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:17:38,244 INFO L85 PathProgramCache]: Analyzing trace with hash -539350755, now seen corresponding path program 4 times [2022-03-04 01:17:38,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:17:38,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657989558] [2022-03-04 01:17:38,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:17:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:17:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:17:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 432 proven. 56 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2022-03-04 01:17:38,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:17:38,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657989558] [2022-03-04 01:17:38,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657989558] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:17:38,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676054047] [2022-03-04 01:17:38,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:17:38,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:17:38,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:17:38,424 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) [2022-03-04 01:17:38,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 01:17:38,503 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:17:38,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:17:38,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-04 01:17:38,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:17:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 470 proven. 35 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-03-04 01:17:38,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:17:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 470 proven. 35 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-03-04 01:17:38,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676054047] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:17:38,899 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:17:38,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 8 [2022-03-04 01:17:38,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793060645] [2022-03-04 01:17:38,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:17:38,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-04 01:17:38,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:17:38,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-04 01:17:38,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2022-03-04 01:17:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:38,901 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:17:38,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 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) [2022-03-04 01:17:38,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:38,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 01:17:38,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 01:17:38,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:17:38,997 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 253 transitions and produced 206 states. [2022-03-04 01:17:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:17:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 01:17:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 01:17:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 01:17:39,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 01:17:39,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:17:39,214 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 01:17:39,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:17:39,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1035792897, now seen corresponding path program 5 times [2022-03-04 01:17:39,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:17:39,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970093147] [2022-03-04 01:17:39,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:17:39,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:17:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:17:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 1 proven. 197 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-03-04 01:17:39,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:17:39,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970093147] [2022-03-04 01:17:39,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970093147] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:17:39,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212454450] [2022-03-04 01:17:39,997 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 01:17:39,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:17:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:17:39,999 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) [2022-03-04 01:17:40,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 01:17:40,091 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-04 01:17:40,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:17:40,094 WARN L261 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 158 conjunts are in the unsatisfiable core [2022-03-04 01:17:40,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:17:48,310 INFO L353 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2022-03-04 01:17:48,311 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 273 treesize of output 189 [2022-03-04 01:17:48,734 INFO L353 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2022-03-04 01:17:48,735 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 148 treesize of output 62 [2022-03-04 01:17:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 120 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:17:48,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:18:02,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:18:02,887 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 01:18:02,888 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 312 treesize of output 988 [2022-03-04 01:19:34,969 INFO L353 Elim1Store]: treesize reduction 1500, result has 44.2 percent of original size [2022-03-04 01:19:34,969 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1211 treesize of output 1837 Received shutdown request... [2022-03-04 01:31:55,246 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 01:31:55,248 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-04 01:31:55,260 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 [2022-03-04 01:31:55,263 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 [2022-03-04 01:31:55,263 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 [2022-03-04 01:31:55,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 01:31:55,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:31:55,459 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. [2022-03-04 01:31:55,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 01:31:55,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-04 01:31:55,464 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-04 01:31:55,466 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:31:55,466 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:31:55,467 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:31:55 BasicIcfg [2022-03-04 01:31:55,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:31:55,468 INFO L158 Benchmark]: Toolchain (without parser) took 860595.89ms. Allocated memory was 186.6MB in the beginning and 685.8MB in the end (delta: 499.1MB). Free memory was 146.8MB in the beginning and 326.0MB in the end (delta: -179.2MB). Peak memory consumption was 418.9MB. Max. memory is 8.0GB. [2022-03-04 01:31:55,468 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.42ms. Allocated memory is still 186.6MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:31:55,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.33ms. Allocated memory is still 186.6MB. Free memory was 146.7MB in the beginning and 145.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 01:31:55,468 INFO L158 Benchmark]: Boogie Preprocessor took 17.36ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 144.3MB in the end (delta: 941.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:31:55,469 INFO L158 Benchmark]: RCFGBuilder took 237.27ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 134.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 01:31:55,469 INFO L158 Benchmark]: TraceAbstraction took 860310.35ms. Allocated memory was 186.6MB in the beginning and 685.8MB in the end (delta: 499.1MB). Free memory was 133.9MB in the beginning and 326.0MB in the end (delta: -192.1MB). Peak memory consumption was 404.2MB. Max. memory is 8.0GB. [2022-03-04 01:31:55,470 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 0.42ms. Allocated memory is still 186.6MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.33ms. Allocated memory is still 186.6MB. Free memory was 146.7MB in the beginning and 145.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.36ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 144.3MB in the end (delta: 941.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 237.27ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 134.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 860310.35ms. Allocated memory was 186.6MB in the beginning and 685.8MB in the end (delta: 499.1MB). Free memory was 133.9MB in the beginning and 326.0MB in the end (delta: -192.1MB). Peak memory consumption was 404.2MB. 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: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - TimeoutResultAtElement [Line: 57]: 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 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - TimeoutResultAtElement [Line: 57]: 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 100 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 860.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1210 ConstructedInterpolants, 0 QuantifiedInterpolants, 3442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1188 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 8880/9228 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