/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 22:38:59,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 22:38:59,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 22:38:59,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 22:38:59,784 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-wrwc.epf [2022-02-19 22:38:59,816 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 22:38:59,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 22:38:59,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 22:38:59,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 22:38:59,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 22:38:59,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 22:38:59,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 22:38:59,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 22:38:59,819 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 22:38:59,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 22:38:59,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 22:38:59,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 22:38:59,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 22:38:59,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 22:38:59,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 22:38:59,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 22:38:59,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 22:38:59,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 22:38:59,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 22:38:59,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 22:38:59,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 22:38:59,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 22:38:59,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 22:38:59,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 22:38:59,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 22:38:59,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 22:38:59,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 22:38:59,823 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 22:38:59,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 22:38:59,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 22:38:59,824 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 22:38:59,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 22:39:00,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 22:39:00,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 22:39:00,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 22:39:00,043 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 22:39:00,044 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 22:39:00,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2022-02-19 22:39:00,045 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2022-02-19 22:39:00,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 22:39:00,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 22:39:00,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 22:39:00,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 22:39:00,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 22:39:00,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,100 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 22:39:00,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 22:39:00,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 22:39:00,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 22:39:00,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 22:39:00,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 22:39:00,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 22:39:00,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 22:39:00,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 22:39:00,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/1) ... [2022-02-19 22:39:00,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 22:39:00,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:39:00,153 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) [2022-02-19 22:39:00,154 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 [2022-02-19 22:39:00,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 22:39:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 22:39:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 22:39:00,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 22:39:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 22:39:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 22:39:00,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 22:39:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 22:39:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 22:39:00,185 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 22:39:00,225 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 22:39:00,227 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 22:39:00,311 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 22:39:00,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 22:39:00,317 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 22:39:00,318 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:39:00 BoogieIcfgContainer [2022-02-19 22:39:00,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 22:39:00,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 22:39:00,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 22:39:00,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 22:39:00,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:39:00" (1/2) ... [2022-02-19 22:39:00,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b931ce7 and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:39:00, skipping insertion in model container [2022-02-19 22:39:00,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:39:00" (2/2) ... [2022-02-19 22:39:00,326 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2.wvr.bpl [2022-02-19 22:39:00,330 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 22:39:00,330 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 22:39:00,330 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 22:39:00,330 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 22:39:00,358 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 22:39:00,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 22:39:00,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:39:00,435 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) [2022-02-19 22:39:00,443 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 [2022-02-19 22:39:00,482 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 22:39:00,501 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=true, mMcrOverapproximateWrwc=false [2022-02-19 22:39:00,501 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 22:39:05,051 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 15312 transitions and produced 8103 states. [2022-02-19 22:39:05,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:39:05,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:39:05,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1102725306, now seen corresponding path program 1 times [2022-02-19 22:39:05,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:39:05,067 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132212328] [2022-02-19 22:39:05,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:39:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:39:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:39:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 44666 backedges. 893 proven. 0 refuted. 0 times theorem prover too weak. 43773 trivial. 0 not checked. [2022-02-19 22:39:05,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:39:05,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132212328] [2022-02-19 22:39:05,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132212328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 22:39:05,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 22:39:05,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 22:39:05,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446591612] [2022-02-19 22:39:05,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 22:39:05,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 22:39:05,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:39:05,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 22:39:05,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 22:39:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:39:05,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:39:05,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-02-19 22:39:05,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:39:08,579 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7925 transitions and produced 4099 states. [2022-02-19 22:39:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:08,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 22:39:08,581 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:39:08,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:39:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1301629812, now seen corresponding path program 2 times [2022-02-19 22:39:08,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:39:08,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111796445] [2022-02-19 22:39:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:39:08,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:39:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:39:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6896 backedges. 3257 proven. 0 refuted. 0 times theorem prover too weak. 3639 trivial. 0 not checked. [2022-02-19 22:39:08,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:39:08,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111796445] [2022-02-19 22:39:08,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111796445] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 22:39:08,690 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 22:39:08,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 22:39:08,690 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720944211] [2022-02-19 22:39:08,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 22:39:08,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 22:39:08,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:39:08,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 22:39:08,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 22:39:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:39:08,693 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:39:08,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:39:08,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:08,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:39:09,970 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2874 transitions and produced 2031 states. [2022-02-19 22:39:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:09,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 22:39:09,972 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:39:09,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:39:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash 989493087, now seen corresponding path program 3 times [2022-02-19 22:39:09,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:39:09,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533875802] [2022-02-19 22:39:09,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:39:09,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:39:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:39:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 599 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 22:39:13,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:39:13,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533875802] [2022-02-19 22:39:13,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533875802] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:39:13,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131773434] [2022-02-19 22:39:13,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 22:39:13,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:39:13,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:39:13,136 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) [2022-02-19 22:39:13,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 22:39:13,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 62 check-sat command(s) [2022-02-19 22:39:13,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:39:13,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 98 conjunts are in the unsatisfiable core [2022-02-19 22:39:13,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:39:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 599 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 22:39:14,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:39:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15061 backedges. 14426 proven. 635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:39:21,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131773434] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:39:21,062 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:39:21,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79, 97] total 175 [2022-02-19 22:39:21,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328503760] [2022-02-19 22:39:21,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:39:21,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2022-02-19 22:39:21,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:39:21,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2022-02-19 22:39:21,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13438, Invalid=17362, Unknown=0, NotChecked=0, Total=30800 [2022-02-19 22:39:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:39:21,086 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:39:21,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 5.340909090909091) internal successors, (940), 175 states have internal predecessors, (940), 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) [2022-02-19 22:39:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:21,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:39:40,011 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2680 transitions and produced 2185 states. [2022-02-19 22:39:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:40,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:39:40,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2022-02-19 22:39:40,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 22:39:40,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 22:39:40,227 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:39:40,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:39:40,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1895638228, now seen corresponding path program 4 times [2022-02-19 22:39:40,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:39:40,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105975303] [2022-02-19 22:39:40,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:39:40,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:39:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:39:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 30625 proven. 11881 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:39:51,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:39:51,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105975303] [2022-02-19 22:39:51,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105975303] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:39:51,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524006310] [2022-02-19 22:39:51,591 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 22:39:51,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:39:51,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:39:51,596 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) [2022-02-19 22:39:51,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 22:39:51,822 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 22:39:51,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:39:51,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 150 conjunts are in the unsatisfiable core [2022-02-19 22:39:51,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:39:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 26379 proven. 11881 refuted. 0 times theorem prover too weak. 4246 trivial. 0 not checked. [2022-02-19 22:39:53,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:40:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42506 backedges. 26379 proven. 11881 refuted. 0 times theorem prover too weak. 4246 trivial. 0 not checked. [2022-02-19 22:40:02,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524006310] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:40:02,818 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:40:02,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 149, 149] total 266 [2022-02-19 22:40:02,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365129883] [2022-02-19 22:40:02,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:40:02,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 267 states [2022-02-19 22:40:02,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:40:02,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 267 interpolants. [2022-02-19 22:40:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18195, Invalid=52827, Unknown=0, NotChecked=0, Total=71022 [2022-02-19 22:40:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:40:02,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:40:02,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 267 states, 267 states have (on average 4.99625468164794) internal successors, (1334), 266 states have internal predecessors, (1334), 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) [2022-02-19 22:40:02,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:40:02,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:40:02,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states. [2022-02-19 22:40:02,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:40:29,715 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 40455 transitions and produced 20034 states. [2022-02-19 22:40:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:40:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:40:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-19 22:40:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-02-19 22:40:29,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 22:40:29,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:40:29,917 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:40:29,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:40:29,918 INFO L85 PathProgramCache]: Analyzing trace with hash 211959679, now seen corresponding path program 5 times [2022-02-19 22:40:29,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:40:29,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808054122] [2022-02-19 22:40:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:40:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:40:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:40:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 47888 proven. 36008 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-19 22:40:47,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:40:47,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808054122] [2022-02-19 22:40:47,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808054122] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:40:47,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661972838] [2022-02-19 22:40:47,898 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 22:40:47,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:40:47,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:40:47,900 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) [2022-02-19 22:40:47,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 22:40:48,389 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 124 check-sat command(s) [2022-02-19 22:40:48,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:40:48,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 256 conjunts are in the unsatisfiable core [2022-02-19 22:40:48,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:40:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 35589 proven. 48097 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-02-19 22:40:53,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:41:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 83932 backedges. 35589 proven. 48121 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-02-19 22:41:12,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661972838] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:41:12,118 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:41:12,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [257, 243, 255] total 410 [2022-02-19 22:41:12,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989502562] [2022-02-19 22:41:12,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:41:12,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 411 states [2022-02-19 22:41:12,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:41:12,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 411 interpolants. [2022-02-19 22:41:12,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46845, Invalid=121665, Unknown=0, NotChecked=0, Total=168510 [2022-02-19 22:41:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:41:12,151 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:41:12,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 411 states, 411 states have (on average 5.226277372262774) internal successors, (2148), 410 states have internal predecessors, (2148), 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) [2022-02-19 22:41:12,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:41:12,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:41:12,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-02-19 22:41:12,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-02-19 22:41:12,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:42:21,337 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4066 transitions and produced 3133 states. [2022-02-19 22:42:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:42:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:42:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-19 22:42:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-02-19 22:42:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2022-02-19 22:42:21,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 22:42:21,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:42:21,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:42:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:42:21,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1336067508, now seen corresponding path program 6 times [2022-02-19 22:42:21,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:42:21,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591703000] [2022-02-19 22:42:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:42:21,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:42:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:42:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 20008 refuted. 0 times theorem prover too weak. 66520 trivial. 0 not checked. [2022-02-19 22:42:23,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:42:23,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591703000] [2022-02-19 22:42:23,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591703000] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:42:23,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248946549] [2022-02-19 22:42:23,860 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 22:42:23,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:42:23,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:42:23,862 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) [2022-02-19 22:42:23,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 22:42:24,452 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 117 check-sat command(s) [2022-02-19 22:42:24,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:42:24,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 283 conjunts are in the unsatisfiable core [2022-02-19 22:42:24,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:42:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 43264 refuted. 0 times theorem prover too weak. 43264 trivial. 0 not checked. [2022-02-19 22:42:33,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:42:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 86528 backedges. 0 proven. 19735 refuted. 0 times theorem prover too weak. 66793 trivial. 0 not checked. [2022-02-19 22:42:43,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248946549] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:42:43,631 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:42:43,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 142, 5] total 152 [2022-02-19 22:42:43,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294338419] [2022-02-19 22:42:43,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:42:43,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2022-02-19 22:42:43,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:42:43,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2022-02-19 22:42:43,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=22802, Unknown=0, NotChecked=0, Total=23256 [2022-02-19 22:42:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:42:43,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:42:43,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 5.052287581699346) internal successors, (773), 152 states have internal predecessors, (773), 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) [2022-02-19 22:42:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:42:43,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:42:43,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-02-19 22:42:43,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-02-19 22:42:43,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2022-02-19 22:42:43,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:44:47,635 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62119 transitions and produced 32566 states. [2022-02-19 22:44:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:44:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 22:44:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-19 22:44:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-02-19 22:44:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2022-02-19 22:44:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2022-02-19 22:44:47,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 22:44:47,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:44:47,837 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:44:47,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:44:47,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1105458203, now seen corresponding path program 7 times [2022-02-19 22:44:47,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:44:47,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36511939] [2022-02-19 22:44:47,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:44:47,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:44:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:47:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1432092 backedges. 1294396 proven. 137105 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-02-19 22:47:34,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:47:34,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36511939] [2022-02-19 22:47:34,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36511939] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:47:34,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874774231] [2022-02-19 22:47:34,371 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 22:47:34,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:47:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:47:34,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:47:34,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 22:47:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:47:37,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 7236 conjuncts, 1033 conjunts are in the unsatisfiable core [2022-02-19 22:47:37,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:47:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1432092 backedges. 1294396 proven. 137105 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-02-19 22:47:47,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-19 22:50:33,923 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-19 22:50:33,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 22:50:33,964 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 [2022-02-19 22:50:33,964 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 [2022-02-19 22:50:33,964 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 22:50:34,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:34,124 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1470 known predicates. [2022-02-19 22:50:34,125 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 22:50:34,126 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 22:50:34,235 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-02-19 22:50:34,237 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 22:50:34,237 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 22:50:34,239 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:50:34 BasicIcfg [2022-02-19 22:50:34,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 22:50:34,240 INFO L158 Benchmark]: Toolchain (without parser) took 694168.51ms. Allocated memory was 176.2MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 140.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-19 22:50:34,240 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 22:50:34,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.23ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 139.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 22:50:34,241 INFO L158 Benchmark]: Boogie Preprocessor took 11.95ms. Allocated memory is still 176.2MB. Free memory was 139.1MB in the beginning and 138.1MB in the end (delta: 938.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 22:50:34,241 INFO L158 Benchmark]: RCFGBuilder took 201.29ms. Allocated memory is still 176.2MB. Free memory was 138.0MB in the beginning and 129.0MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 22:50:34,242 INFO L158 Benchmark]: TraceAbstraction took 693919.53ms. Allocated memory was 176.2MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 128.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-19 22:50:34,246 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 0.13ms. Allocated memory is still 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.23ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 139.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.95ms. Allocated memory is still 176.2MB. Free memory was 139.1MB in the beginning and 138.1MB in the end (delta: 938.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 201.29ms. Allocated memory is still 176.2MB. Free memory was 138.0MB in the beginning and 129.0MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 693919.53ms. Allocated memory was 176.2MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 128.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.5GB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1470 known predicates. - TimeoutResultAtElement [Line: 54]: 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 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1470 known predicates. - TimeoutResultAtElement [Line: 54]: 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 5162 with TraceHistMax 746,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1470 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 693.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 247.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1611, 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: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 94.5s InterpolantComputationTime, 9675 NumberOfCodeBlocks, 9675 NumberOfCodeBlocksAsserted, 310 NumberOfCheckSat, 13885 ConstructedInterpolants, 0 QuantifiedInterpolants, 95833 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5956 ConjunctsInSsa, 787 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 482934/735643 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