/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 08:03:55,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 08:03:55,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 08:03:55,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 08:03:55,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 08:03:55,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 08:03:55,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 08:03:55,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 08:03:55,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 08:03:55,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 08:03:55,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 08:03:55,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 08:03:55,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 08:03:55,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 08:03:55,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 08:03:55,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 08:03:55,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 08:03:55,195 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.epf [2022-01-29 08:03:55,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 08:03:55,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 08:03:55,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 08:03:55,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 08:03:55,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 08:03:55,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 08:03:55,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 08:03:55,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 08:03:55,209 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 08:03:55,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 08:03:55,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 08:03:55,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 08:03:55,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 08:03:55,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 08:03:55,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 08:03:55,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 08:03:55,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 08:03:55,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 08:03:55,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 08:03:55,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 08:03:55,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 08:03:55,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 08:03:55,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 08:03:55,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 08:03:55,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 08:03:55,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 08:03:55,359 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 08:03:55,359 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 08:03:55,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-01-29 08:03:55,360 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-01-29 08:03:55,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 08:03:55,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 08:03:55,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 08:03:55,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 08:03:55,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 08:03:55,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,404 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 08:03:55,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 08:03:55,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 08:03:55,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 08:03:55,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 08:03:55,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 08:03:55,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 08:03:55,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 08:03:55,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 08:03:55,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/1) ... [2022-01-29 08:03:55,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 08:03:55,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:03:55,449 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) [2022-01-29 08:03:55,451 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 [2022-01-29 08:03:55,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 08:03:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 08:03:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 08:03:55,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 08:03:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 08:03:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 08:03:55,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 08:03:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 08:03:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 08:03:55,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-01-29 08:03:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 08:03:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 08:03:55,484 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 08:03:55,521 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 08:03:55,522 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 08:03:55,605 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 08:03:55,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 08:03:55,620 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 08:03:55,622 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 08:03:55 BoogieIcfgContainer [2022-01-29 08:03:55,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 08:03:55,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 08:03:55,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 08:03:55,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 08:03:55,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:03:55" (1/2) ... [2022-01-29 08:03:55,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26366ba6 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 08:03:55, skipping insertion in model container [2022-01-29 08:03:55,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 08:03:55" (2/2) ... [2022-01-29 08:03:55,635 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-01-29 08:03:55,638 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 08:03:55,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 08:03:55,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 08:03:55,638 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 08:03:55,670 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 08:03:55,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 08:03:55,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:03:55,703 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) [2022-01-29 08:03:55,707 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 [2022-01-29 08:03:55,733 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 08:03:55,745 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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 08:03:55,746 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-29 08:03:58,671 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:03:58,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:03:58,675 INFO L85 PathProgramCache]: Analyzing trace with hash 399648187, now seen corresponding path program 1 times [2022-01-29 08:03:58,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:03:58,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249407884] [2022-01-29 08:03:58,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:03:58,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:03:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:03:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8423 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 8302 trivial. 0 not checked. [2022-01-29 08:03:59,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:03:59,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249407884] [2022-01-29 08:03:59,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249407884] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:03:59,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:03:59,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 08:03:59,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606458300] [2022-01-29 08:03:59,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:03:59,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 08:03:59,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:03:59,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 08:03:59,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 08:03:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:03:59,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:03:59,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2022-01-29 08:03:59,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:03:59,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:03:59,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 08:03:59,529 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:03:59,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:03:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1602299675, now seen corresponding path program 2 times [2022-01-29 08:03:59,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:03:59,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154122191] [2022-01-29 08:03:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:03:59,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:03:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:03:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6538 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 6446 trivial. 0 not checked. [2022-01-29 08:03:59,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:03:59,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154122191] [2022-01-29 08:03:59,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154122191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:03:59,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:03:59,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 08:03:59,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464803640] [2022-01-29 08:03:59,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:03:59,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 08:03:59,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:03:59,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 08:03:59,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 08:03:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:03:59,609 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:03:59,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2022-01-29 08:03:59,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:03:59,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:03:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:03:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:03:59,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 08:03:59,726 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:03:59,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:03:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash -572791341, now seen corresponding path program 3 times [2022-01-29 08:03:59,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:03:59,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952138618] [2022-01-29 08:03:59,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:03:59,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:03:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:03:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6538 backedges. 409 proven. 2 refuted. 0 times theorem prover too weak. 6127 trivial. 0 not checked. [2022-01-29 08:03:59,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:03:59,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952138618] [2022-01-29 08:03:59,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952138618] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:03:59,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397815065] [2022-01-29 08:03:59,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 08:03:59,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:03:59,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:03:59,954 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) [2022-01-29 08:03:59,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 08:04:00,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-01-29 08:04:00,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:04:00,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-29 08:04:00,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:04:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6538 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 6129 trivial. 0 not checked. [2022-01-29 08:04:00,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-29 08:04:00,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397815065] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:04:00,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-29 08:04:00,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-01-29 08:04:00,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188935361] [2022-01-29 08:04:00,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:04:00,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-29 08:04:00,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:04:00,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-29 08:04:00,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-29 08:04:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:00,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:04:00,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-01-29 08:04:00,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:00,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:00,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:00,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-29 08:04:01,028 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 [2022-01-29 08:04:01,028 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:04:01,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:04:01,029 INFO L85 PathProgramCache]: Analyzing trace with hash 631796277, now seen corresponding path program 4 times [2022-01-29 08:04:01,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:04:01,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703833479] [2022-01-29 08:04:01,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:04:01,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:04:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:04:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5584 backedges. 628 proven. 2 refuted. 0 times theorem prover too weak. 4954 trivial. 0 not checked. [2022-01-29 08:04:01,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:04:01,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703833479] [2022-01-29 08:04:01,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703833479] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:04:01,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902862996] [2022-01-29 08:04:01,201 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 08:04:01,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:04:01,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:04:01,203 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) [2022-01-29 08:04:01,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 08:04:01,351 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 08:04:01,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:04:01,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-29 08:04:01,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:04:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5584 backedges. 628 proven. 0 refuted. 0 times theorem prover too weak. 4956 trivial. 0 not checked. [2022-01-29 08:04:01,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-29 08:04:01,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902862996] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:04:01,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-29 08:04:01,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-01-29 08:04:01,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605525817] [2022-01-29 08:04:01,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:04:01,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-29 08:04:01,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:04:01,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-29 08:04:01,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-29 08:04:01,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:01,761 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:04:01,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-01-29 08:04:01,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:01,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:01,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:01,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:01,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-29 08:04:02,044 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 [2022-01-29 08:04:02,045 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:04:02,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:04:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash 467579105, now seen corresponding path program 5 times [2022-01-29 08:04:02,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:04:02,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287522587] [2022-01-29 08:04:02,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:04:02,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:04:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:04:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1561 proven. 105 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2022-01-29 08:04:02,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:04:02,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287522587] [2022-01-29 08:04:02,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287522587] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:04:02,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041423063] [2022-01-29 08:04:02,226 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 08:04:02,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:04:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:04:02,227 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) [2022-01-29 08:04:02,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 08:04:02,426 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2022-01-29 08:04:02,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:04:02,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-29 08:04:02,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:04:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1575 proven. 135 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2022-01-29 08:04:02,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:04:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1575 proven. 135 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2022-01-29 08:04:03,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041423063] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 08:04:03,600 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 08:04:03,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 13 [2022-01-29 08:04:03,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527134067] [2022-01-29 08:04:03,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 08:04:03,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-29 08:04:03,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:04:03,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-29 08:04:03,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-01-29 08:04:03,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:03,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:04:03,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 13 states have internal predecessors, (177), 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) [2022-01-29 08:04:03,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:03,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:03,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:03,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:03,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 08:04:03,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-29 08:04:03,891 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 [2022-01-29 08:04:03,891 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:04:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:04:03,892 INFO L85 PathProgramCache]: Analyzing trace with hash 334286992, now seen corresponding path program 6 times [2022-01-29 08:04:03,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:04:03,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283777181] [2022-01-29 08:04:03,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:04:03,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:04:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:04:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 364 proven. 90 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2022-01-29 08:04:04,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:04:04,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283777181] [2022-01-29 08:04:04,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283777181] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:04:04,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595145859] [2022-01-29 08:04:04,075 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 08:04:04,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:04:04,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:04:04,076 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) [2022-01-29 08:04:04,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 08:04:04,229 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-01-29 08:04:04,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:04:04,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 116 conjunts are in the unsatisfiable core [2022-01-29 08:04:04,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:04:04,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-29 08:04:05,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-29 08:04:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 1137 trivial. 0 not checked. [2022-01-29 08:04:05,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:04:05,122 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 08:04:05,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2022-01-29 08:04:05,180 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 08:04:05,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2022-01-29 08:04:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 1137 trivial. 0 not checked. [2022-01-29 08:04:05,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595145859] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 08:04:05,874 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 08:04:05,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2022-01-29 08:04:05,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963460709] [2022-01-29 08:04:05,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 08:04:05,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-29 08:04:05,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:04:05,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-29 08:04:05,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-29 08:04:05,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:05,876 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:04:05,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 15 states have internal predecessors, (117), 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) [2022-01-29 08:04:05,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:05,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:05,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:05,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:05,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 08:04:05,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:04:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 08:04:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 08:04:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 08:04:06,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-29 08:04:06,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 08:04:06,579 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 [2022-01-29 08:04:06,579 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 08:04:06,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:04:06,580 INFO L85 PathProgramCache]: Analyzing trace with hash 768698089, now seen corresponding path program 7 times [2022-01-29 08:04:06,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:04:06,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542027596] [2022-01-29 08:04:06,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:04:06,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:04:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:04:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 59 proven. 985 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-01-29 08:04:10,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:04:10,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542027596] [2022-01-29 08:04:10,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542027596] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:04:10,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133402956] [2022-01-29 08:04:10,574 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 08:04:10,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:04:10,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:04:10,575 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) [2022-01-29 08:04:10,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 08:04:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:04:10,702 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 339 conjunts are in the unsatisfiable core [2022-01-29 08:04:10,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:05:16,450 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-01-29 08:05:16,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-01-29 08:05:19,849 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2022-01-29 08:05:19,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 275 treesize of output 163 [2022-01-29 08:05:20,712 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-01-29 08:05:20,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 357 treesize of output 145 [2022-01-29 08:05:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1074 proven. 474 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 08:05:21,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:07:06,622 WARN L227 SmtUtils]: Spent 14.98s on a formula simplification. DAG size of input: 1582 DAG size of output: 854 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-29 08:07:06,626 INFO L354 Elim1Store]: treesize reduction 2496, result has 43.6 percent of original size [2022-01-29 08:07:06,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 439 treesize of output 2157 Received shutdown request... [2022-01-29 08:17:54,703 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 [2022-01-29 08:17:54,703 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 [2022-01-29 08:17:54,703 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 [2022-01-29 08:17:54,706 WARN L243 SmtUtils]: Removed 2 from assertion stack [2022-01-29 08:17:54,708 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-01-29 08:17:54,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 08:17:54,909 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 [2022-01-29 08:17:54,909 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. [2022-01-29 08:17:54,911 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-29 08:17:54,911 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-29 08:17:54,911 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-29 08:17:54,914 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-01-29 08:17:54,916 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 08:17:54,916 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 08:17:54,917 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 08:17:54 BasicIcfg [2022-01-29 08:17:54,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 08:17:54,918 INFO L158 Benchmark]: Toolchain (without parser) took 839538.71ms. Allocated memory was 188.7MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 147.4MB in the beginning and 540.1MB in the end (delta: -392.8MB). Peak memory consumption was 915.2MB. Max. memory is 8.0GB. [2022-01-29 08:17:54,918 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 08:17:54,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.09ms. Allocated memory is still 188.7MB. Free memory was 147.3MB in the beginning and 145.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 08:17:54,919 INFO L158 Benchmark]: Boogie Preprocessor took 11.28ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 989.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 08:17:54,920 INFO L158 Benchmark]: RCFGBuilder took 198.82ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 134.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-29 08:17:54,920 INFO L158 Benchmark]: TraceAbstraction took 839294.75ms. Allocated memory was 188.7MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 133.7MB in the beginning and 540.1MB in the end (delta: -406.4MB). Peak memory consumption was 901.6MB. Max. memory is 8.0GB. [2022-01-29 08:17:54,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.09ms. Allocated memory is still 188.7MB. Free memory was 147.3MB in the beginning and 145.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.28ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 989.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 198.82ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 134.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 839294.75ms. Allocated memory was 188.7MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 133.7MB in the beginning and 540.1MB in the end (delta: -406.4MB). Peak memory consumption was 901.6MB. 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: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - TimeoutResultAtElement [Line: 98]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 10ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 3720 NumberOfCodeBlocks, 3465 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 4277 ConstructedInterpolants, 0 QuantifiedInterpolants, 10333 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3025 ConjunctsInSsa, 161 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 52071/53080 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