/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 20:40:38,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 20:40:38,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 20:40:38,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 20:40:38,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-15 20:40:38,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 20:40:38,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 20:40:38,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 20:40:38,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 20:40:38,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 20:40:38,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 20:40:38,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 20:40:38,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 20:40:38,210 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 20:40:38,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 20:40:38,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 20:40:38,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 20:40:38,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 20:40:38,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 20:40:38,213 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 20:40:38,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 20:40:38,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 20:40:38,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 20:40:38,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 20:40:38,415 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-15 20:40:38,416 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-15 20:40:38,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2022-02-15 20:40:38,416 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2022-02-15 20:40:38,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 20:40:38,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 20:40:38,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 20:40:38,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 20:40:38,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 20:40:38,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,463 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-15 20:40:38,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 20:40:38,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 20:40:38,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 20:40:38,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 20:40:38,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 20:40:38,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 20:40:38,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 20:40:38,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 20:40:38,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/1) ... [2022-02-15 20:40:38,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 20:40:38,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:38,520 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) [2022-02-15 20:40:38,543 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 [2022-02-15 20:40:38,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-15 20:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-15 20:40:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-15 20:40:38,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-15 20:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-15 20:40:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-15 20:40:38,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-15 20:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 20:40:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 20:40:38,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-15 20:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-15 20:40:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-15 20:40:38,560 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 20:40:38,598 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 20:40:38,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 20:40:38,704 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 20:40:38,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 20:40:38,714 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 20:40:38,716 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:40:38 BoogieIcfgContainer [2022-02-15 20:40:38,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 20:40:38,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 20:40:38,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 20:40:38,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 20:40:38,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 08:40:38" (1/2) ... [2022-02-15 20:40:38,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb7a6f and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 08:40:38, skipping insertion in model container [2022-02-15 20:40:38,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:40:38" (2/2) ... [2022-02-15 20:40:38,738 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2022-02-15 20:40:38,742 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 20:40:38,742 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 20:40:38,742 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 20:40:38,742 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 20:40:38,779 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-15 20:40:38,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 20:40:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:38,864 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) [2022-02-15 20:40:38,951 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 [2022-02-15 20:40:38,971 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 20:40:38,976 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 [2022-02-15 20:40:38,976 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-15 20:40:39,068 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:39,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1204265674, now seen corresponding path program 1 times [2022-02-15 20:40:39,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:39,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468482353] [2022-02-15 20:40:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:39,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:39,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:39,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468482353] [2022-02-15 20:40:39,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468482353] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 20:40:39,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 20:40:39,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 20:40:39,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909173602] [2022-02-15 20:40:39,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 20:40:39,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 20:40:39,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:39,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 20:40:39,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 20:40:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:39,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:39,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-02-15 20:40:39,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:39,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 20:40:39,208 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:39,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2132727720, now seen corresponding path program 1 times [2022-02-15 20:40:39,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:39,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764513947] [2022-02-15 20:40:39,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:39,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 20:40:39,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:39,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764513947] [2022-02-15 20:40:39,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764513947] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 20:40:39,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 20:40:39,277 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 20:40:39,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137902714] [2022-02-15 20:40:39,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 20:40:39,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 20:40:39,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:39,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 20:40:39,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 20:40:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:39,279 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:39,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-02-15 20:40:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:39,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:39,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 20:40:39,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:39,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:39,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1289378822, now seen corresponding path program 1 times [2022-02-15 20:40:39,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:39,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52301724] [2022-02-15 20:40:39,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:39,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:39,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:39,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52301724] [2022-02-15 20:40:39,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52301724] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:40:39,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961852809] [2022-02-15 20:40:39,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:39,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:40:39,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:39,650 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) [2022-02-15 20:40:39,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 20:40:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:39,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 20:40:39,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:40:40,071 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-15 20:40:40,072 INFO L387 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2022-02-15 20:40:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:40,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:40:40,245 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:40:40,246 INFO L387 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 11 treesize of output 16 [2022-02-15 20:40:40,262 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2022-02-15 20:40:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:40,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961852809] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:40:40,391 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:40:40,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-15 20:40:40,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319446471] [2022-02-15 20:40:40,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:40:40,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-15 20:40:40,392 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:40,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-15 20:40:40,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-02-15 20:40:40,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:40,393 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:40,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 17 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) [2022-02-15 20:40:40,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:40,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:40,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:40,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:40,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 20:40:40,839 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 [2022-02-15 20:40:40,842 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:40,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:40,842 INFO L85 PathProgramCache]: Analyzing trace with hash -374345244, now seen corresponding path program 2 times [2022-02-15 20:40:40,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:40,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715715487] [2022-02-15 20:40:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:40,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:40,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:40,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715715487] [2022-02-15 20:40:40,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715715487] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:40:40,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018672507] [2022-02-15 20:40:40,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 20:40:40,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:40:40,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:40,897 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) [2022-02-15 20:40:40,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 20:40:40,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 20:40:40,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:40:40,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-15 20:40:40,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:40:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:41,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:40:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:41,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018672507] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:40:41,126 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:40:41,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-15 20:40:41,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365554029] [2022-02-15 20:40:41,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:40:41,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-15 20:40:41,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:41,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-15 20:40:41,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-15 20:40:41,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:41,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:41,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2022-02-15 20:40:41,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:41,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:41,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:41,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:41,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 20:40:41,511 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 [2022-02-15 20:40:41,512 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:41,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:41,512 INFO L85 PathProgramCache]: Analyzing trace with hash 359763488, now seen corresponding path program 1 times [2022-02-15 20:40:41,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:41,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876762636] [2022-02-15 20:40:41,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:41,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 20:40:41,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:41,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876762636] [2022-02-15 20:40:41,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876762636] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:40:41,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433022556] [2022-02-15 20:40:41,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:41,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:40:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:41,593 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) [2022-02-15 20:40:41,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 20:40:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:41,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-15 20:40:41,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:40:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 20:40:41,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:40:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 20:40:41,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433022556] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:40:41,791 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:40:41,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-15 20:40:41,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549201217] [2022-02-15 20:40:41,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:40:41,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-15 20:40:41,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-15 20:40:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-15 20:40:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:41,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:41,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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) [2022-02-15 20:40:41,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:41,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:41,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:41,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:41,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:40:41,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 20:40:42,092 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 [2022-02-15 20:40:42,093 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:42,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash -559233666, now seen corresponding path program 2 times [2022-02-15 20:40:42,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:42,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276750851] [2022-02-15 20:40:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:42,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:42,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:42,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276750851] [2022-02-15 20:40:42,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276750851] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:40:42,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746953162] [2022-02-15 20:40:42,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 20:40:42,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:40:42,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:42,365 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) [2022-02-15 20:40:42,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 20:40:42,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 20:40:42,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:40:42,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-15 20:40:42,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:40:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:42,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:42,770 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-15 20:40:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:42,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:40:43,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:43,240 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-15 20:40:43,241 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 29 treesize of output 114 [2022-02-15 20:40:44,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:44,407 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:40:44,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 72 [2022-02-15 20:40:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:44,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746953162] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:40:44,658 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:40:44,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 30 [2022-02-15 20:40:44,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849357663] [2022-02-15 20:40:44,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:40:44,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-15 20:40:44,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:44,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-15 20:40:44,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=773, Unknown=0, NotChecked=0, Total=870 [2022-02-15 20:40:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:44,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:44,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 30 states have internal predecessors, (70), 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) [2022-02-15 20:40:44,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:44,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:44,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:44,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:44,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:40:44,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:40:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:40:45,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-15 20:40:46,056 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 [2022-02-15 20:40:46,057 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:46,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:46,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1978366790, now seen corresponding path program 3 times [2022-02-15 20:40:46,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:46,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883340098] [2022-02-15 20:40:46,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:46,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:46,369 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:46,369 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:46,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883340098] [2022-02-15 20:40:46,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883340098] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:40:46,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995015763] [2022-02-15 20:40:46,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 20:40:46,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:40:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:46,384 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) [2022-02-15 20:40:46,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 20:40:46,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-15 20:40:46,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:40:46,413 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-15 20:40:46,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:40:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:47,208 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:40:47,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 36 treesize of output 80 [2022-02-15 20:40:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:47,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:40:47,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:47,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:47,913 INFO L353 Elim1Store]: treesize reduction 20, result has 78.9 percent of original size [2022-02-15 20:40:47,913 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 39 treesize of output 84 [2022-02-15 20:40:48,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:48,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:48,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:48,029 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 3 [2022-02-15 20:40:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:48,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995015763] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:40:48,114 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:40:48,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16] total 38 [2022-02-15 20:40:48,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000268241] [2022-02-15 20:40:48,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:40:48,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-15 20:40:48,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:40:48,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-15 20:40:48,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1283, Unknown=0, NotChecked=0, Total=1406 [2022-02-15 20:40:48,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:48,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:40:48,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 38 states have internal predecessors, (84), 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) [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:40:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:40:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:40:53,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 20:40:53,290 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 [2022-02-15 20:40:53,290 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:40:53,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:40:53,291 INFO L85 PathProgramCache]: Analyzing trace with hash -134951306, now seen corresponding path program 4 times [2022-02-15 20:40:53,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:40:53,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970535711] [2022-02-15 20:40:53,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:40:53,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:40:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:40:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:53,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:40:53,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970535711] [2022-02-15 20:40:53,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970535711] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:40:53,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479168535] [2022-02-15 20:40:53,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 20:40:53,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:40:53,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:40:53,711 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:40:53,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 20:40:53,738 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 20:40:53,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:40:53,739 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-15 20:40:53,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:40:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:54,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:40:54,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:54,279 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2022-02-15 20:40:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:40:54,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:40:54,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:54,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:54,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:40:55,166 INFO L353 Elim1Store]: treesize reduction 158, result has 65.3 percent of original size [2022-02-15 20:40:55,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 49 treesize of output 312 [2022-02-15 20:41:06,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:06,250 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:41:06,251 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 125 [2022-02-15 20:41:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:41:06,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479168535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:41:06,622 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:41:06,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-02-15 20:41:06,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797975912] [2022-02-15 20:41:06,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:41:06,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-15 20:41:06,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:41:06,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-15 20:41:06,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1666, Unknown=0, NotChecked=0, Total=1806 [2022-02-15 20:41:06,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:41:06,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:41:06,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 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) [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:41:06,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:41:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:41:12,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-15 20:41:12,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:41:12,928 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:41:12,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:41:12,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1072806450, now seen corresponding path program 5 times [2022-02-15 20:41:12,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:41:12,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979263964] [2022-02-15 20:41:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:41:12,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:41:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:41:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:41:13,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:41:13,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979263964] [2022-02-15 20:41:13,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979263964] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:41:13,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857724679] [2022-02-15 20:41:13,335 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 20:41:13,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:41:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:41:13,337 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:41:13,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 20:41:13,379 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-15 20:41:13,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:41:13,384 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 55 conjunts are in the unsatisfiable core [2022-02-15 20:41:13,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:41:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:41:14,356 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2022-02-15 20:41:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:41:14,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:41:15,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:41:15,875 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 20:41:15,875 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 116 treesize of output 579 [2022-02-15 20:47:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:09,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857724679] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:47:09,614 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:47:09,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 51 [2022-02-15 20:47:09,614 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110300874] [2022-02-15 20:47:09,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:47:09,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-15 20:47:09,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:47:09,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-15 20:47:09,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2022-02-15 20:47:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:09,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:47:09,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.1372549019607843) internal successors, (109), 51 states have internal predecessors, (109), 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) [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:09,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:15,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-15 20:47:15,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-15 20:47:15,740 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:47:15,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:47:15,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1746563182, now seen corresponding path program 6 times [2022-02-15 20:47:15,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:47:15,741 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591942633] [2022-02-15 20:47:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:47:15,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:47:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:47:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:15,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:47:15,896 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591942633] [2022-02-15 20:47:15,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591942633] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:47:15,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864731697] [2022-02-15 20:47:15,897 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 20:47:15,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:47:15,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:47:15,898 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:47:15,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-15 20:47:15,932 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-02-15 20:47:15,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:47:15,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-15 20:47:15,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:47:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:16,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:47:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:16,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864731697] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:47:16,487 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:47:16,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-02-15 20:47:16,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224949504] [2022-02-15 20:47:16,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:47:16,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-15 20:47:16,488 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:47:16,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-15 20:47:16,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2022-02-15 20:47:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:16,489 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:47:16,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.375) internal successors, (114), 48 states have internal predecessors, (114), 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) [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:16,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:16,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:16,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:17,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-15 20:47:17,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-15 20:47:17,928 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:47:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:47:17,929 INFO L85 PathProgramCache]: Analyzing trace with hash 171013700, now seen corresponding path program 7 times [2022-02-15 20:47:17,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:47:17,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109979718] [2022-02-15 20:47:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:47:17,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:47:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:47:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 68 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:18,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:47:18,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109979718] [2022-02-15 20:47:18,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109979718] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:47:18,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476664455] [2022-02-15 20:47:18,104 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 20:47:18,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:47:18,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:47:18,105 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:47:18,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-15 20:47:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:47:18,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-15 20:47:18,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:47:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-15 20:47:18,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:47:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-15 20:47:18,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476664455] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:47:18,618 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:47:18,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 50 [2022-02-15 20:47:18,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478075384] [2022-02-15 20:47:18,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:47:18,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-15 20:47:18,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:47:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-15 20:47:18,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2022-02-15 20:47:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:18,635 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:47:18,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 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) [2022-02-15 20:47:18,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:18,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:18,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 20:47:19,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-15 20:47:19,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-15 20:47:19,387 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:47:19,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:47:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1990716254, now seen corresponding path program 8 times [2022-02-15 20:47:19,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:47:19,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055337215] [2022-02-15 20:47:19,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:47:19,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:47:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:47:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:19,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:47:19,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055337215] [2022-02-15 20:47:19,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055337215] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:47:19,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859832338] [2022-02-15 20:47:19,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 20:47:19,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:47:19,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:47:19,635 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:47:19,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-15 20:47:19,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 20:47:19,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:47:19,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-15 20:47:19,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:47:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-15 20:47:19,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:47:20,232 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-15 20:47:20,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859832338] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:47:20,232 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:47:20,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 54 [2022-02-15 20:47:20,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656687467] [2022-02-15 20:47:20,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:47:20,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-15 20:47:20,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:47:20,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-15 20:47:20,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=2393, Unknown=0, NotChecked=0, Total=2862 [2022-02-15 20:47:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:20,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:47:20,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.388888888888889) internal successors, (129), 54 states have internal predecessors, (129), 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) [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-15 20:47:20,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 20:47:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-15 20:47:21,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-15 20:47:21,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-15 20:47:21,252 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:47:21,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:47:21,252 INFO L85 PathProgramCache]: Analyzing trace with hash -649030784, now seen corresponding path program 9 times [2022-02-15 20:47:21,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:47:21,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576261693] [2022-02-15 20:47:21,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:47:21,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:47:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:47:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:21,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:47:21,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576261693] [2022-02-15 20:47:21,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576261693] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:47:21,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628588675] [2022-02-15 20:47:21,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 20:47:21,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:47:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:47:21,510 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:47:21,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-15 20:47:21,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-15 20:47:21,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:47:21,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-15 20:47:21,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:47:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:21,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:47:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:22,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628588675] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 20:47:22,354 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 20:47:22,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 66 [2022-02-15 20:47:22,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943799615] [2022-02-15 20:47:22,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 20:47:22,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-02-15 20:47:22,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 20:47:22,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-02-15 20:47:22,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=768, Invalid=3522, Unknown=0, NotChecked=0, Total=4290 [2022-02-15 20:47:22,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:22,356 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 20:47:22,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.227272727272727) internal successors, (147), 66 states have internal predecessors, (147), 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) [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:22,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:22,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:22,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:22,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-15 20:47:22,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-15 20:47:22,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-15 20:47:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-15 20:47:22,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-15 20:47:23,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-15 20:47:23,136 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 20:47:23,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 20:47:23,136 INFO L85 PathProgramCache]: Analyzing trace with hash 220517086, now seen corresponding path program 10 times [2022-02-15 20:47:23,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 20:47:23,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504260251] [2022-02-15 20:47:23,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 20:47:23,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 20:47:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 20:47:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:24,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 20:47:24,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504260251] [2022-02-15 20:47:24,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504260251] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 20:47:24,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014005808] [2022-02-15 20:47:24,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 20:47:24,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 20:47:24,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 20:47:24,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 20:47:24,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-15 20:47:24,296 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 20:47:24,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 20:47:24,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-15 20:47:24,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 20:47:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 20:47:26,193 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 43 [2022-02-15 20:47:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 20:47:26,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 20:47:27,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 20:47:32,036 INFO L353 Elim1Store]: treesize reduction 914, result has 60.5 percent of original size [2022-02-15 20:47:32,037 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 36 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 195 case distinctions, treesize of input 113 treesize of output 1428 Received shutdown request... [2022-02-15 20:55:11,259 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 [2022-02-15 20:55:11,259 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 [2022-02-15 20:55:11,259 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 20:55:11,301 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-15 20:55:11,303 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-15 20:55:11,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-15 20:55:11,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-15 20:55:11,508 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. [2022-02-15 20:55:11,509 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-15 20:55:11,509 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-15 20:55:11,509 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-15 20:55:11,529 INFO L732 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1] [2022-02-15 20:55:11,531 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 20:55:11,531 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 20:55:11,534 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 08:55:11 BasicIcfg [2022-02-15 20:55:11,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 20:55:11,534 INFO L158 Benchmark]: Toolchain (without parser) took 873098.72ms. Allocated memory was 189.8MB in the beginning and 706.7MB in the end (delta: 516.9MB). Free memory was 155.9MB in the beginning and 387.6MB in the end (delta: -231.7MB). Peak memory consumption was 453.6MB. Max. memory is 8.0GB. [2022-02-15 20:55:11,535 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 20:55:11,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.24ms. Allocated memory is still 189.8MB. Free memory was 155.7MB in the beginning and 154.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 20:55:11,535 INFO L158 Benchmark]: Boogie Preprocessor took 15.00ms. Allocated memory is still 189.8MB. Free memory was 154.3MB in the beginning and 153.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 20:55:11,535 INFO L158 Benchmark]: RCFGBuilder took 234.60ms. Allocated memory is still 189.8MB. Free memory was 153.2MB in the beginning and 144.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-15 20:55:11,535 INFO L158 Benchmark]: TraceAbstraction took 872816.59ms. Allocated memory was 189.8MB in the beginning and 706.7MB in the end (delta: 516.9MB). Free memory was 143.6MB in the beginning and 387.6MB in the end (delta: -243.9MB). Peak memory consumption was 442.1MB. Max. memory is 8.0GB. [2022-02-15 20:55:11,539 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 189.8MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.24ms. Allocated memory is still 189.8MB. Free memory was 155.7MB in the beginning and 154.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.00ms. Allocated memory is still 189.8MB. Free memory was 154.3MB in the beginning and 153.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.60ms. Allocated memory is still 189.8MB. Free memory was 153.2MB in the beginning and 144.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 872816.59ms. Allocated memory was 189.8MB in the beginning and 706.7MB in the end (delta: 516.9MB). Free memory was 143.6MB in the beginning and 387.6MB in the end (delta: -243.9MB). Peak memory consumption was 442.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3770, positive: 3027, positive conditional: 3027, positive unconditional: 0, negative: 743, negative conditional: 743, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3027, positive: 3027, positive conditional: 3027, 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: 3027, positive: 3027, positive conditional: 3027, 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: 3027, positive: 3027, positive conditional: 2854, positive unconditional: 173, 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: 3027, positive: 3027, positive conditional: 2760, positive unconditional: 267, 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: 3027, positive: 3027, positive conditional: 2760, positive unconditional: 267, 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: 51, positive: 51, positive conditional: 0, positive unconditional: 51, 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: 51, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3027, positive: 2976, positive conditional: 2760, positive unconditional: 216, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 94, Maximal queried relation: 0, Independence queries for same thread: 743 - 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 872.7s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 22.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 479, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 379.1s InterpolantComputationTime, 914 NumberOfCodeBlocks, 914 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 1317 ConstructedInterpolants, 22 QuantifiedInterpolants, 19903 SizeOfPredicates, 101 NumberOfNonLiveVariables, 1106 ConjunctsInSsa, 290 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 849/2197 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