/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/min-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 23:06:19,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 23:06:19,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 23:06:19,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-06 23:06:19,701 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 [2021-08-06 23:06:19,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 23:06:19,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 23:06:19,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-06 23:06:19,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-06 23:06:19,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 23:06:19,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 23:06:19,728 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 23:06:19,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 23:06:19,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 23:06:19,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 23:06:19,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 23:06:19,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 23:06:19,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 23:06:19,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 23:06:19,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 23:06:19,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 23:06:19,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-06 23:06:19,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 23:06:19,731 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-06 23:06:19,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 23:06:19,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 23:06:19,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 23:06:19,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 23:06:19,987 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-06 23:06:19,988 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-06 23:06:19,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array.wvr.bpl [2021-08-06 23:06:19,989 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array.wvr.bpl' [2021-08-06 23:06:20,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 23:06:20,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-06 23:06:20,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 23:06:20,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 23:06:20,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 23:06:20,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 23:06:20,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 23:06:20,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 23:06:20,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 23:06:20,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 23:06:20,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 23:06:20,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 23:06:20,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 23:06:20,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/1) ... [2021-08-06 23:06:20,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 23:06:20,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:20,065 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) [2021-08-06 23:06:20,081 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 [2021-08-06 23:06:20,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-06 23:06:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-06 23:06:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-06 23:06:20,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-06 23:06:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-06 23:06:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-06 23:06:20,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-06 23:06:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 23:06:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 23:06:20,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-06 23:06:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-06 23:06:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-06 23:06:20,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 23:06:20,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 23:06:20,221 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-06 23:06:20,223 INFO L202 PluginConnector]: Adding new model min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 11:06:20 BoogieIcfgContainer [2021-08-06 23:06:20,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 23:06:20,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 23:06:20,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 23:06:20,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 23:06:20,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:06:20" (1/2) ... [2021-08-06 23:06:20,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f60727a and model type min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 11:06:20, skipping insertion in model container [2021-08-06 23:06:20,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 11:06:20" (2/2) ... [2021-08-06 23:06:20,228 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array.wvr.bpl [2021-08-06 23:06:20,231 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 23:06:20,231 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 23:06:20,231 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-06 23:06:20,231 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 23:06:20,254 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-06 23:06:20,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-06 23:06:20,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:20,283 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) [2021-08-06 23:06:20,284 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 [2021-08-06 23:06:20,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 23:06:20,305 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, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 23:06:20,305 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-06 23:06:20,386 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:20,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:20,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1204265674, now seen corresponding path program 1 times [2021-08-06 23:06:20,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:20,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316029897] [2021-08-06 23:06:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:20,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:20,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:20,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316029897] [2021-08-06 23:06:20,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316029897] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 23:06:20,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 23:06:20,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 23:06:20,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297750488] [2021-08-06 23:06:20,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 23:06:20,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 23:06:20,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 23:06:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:20,542 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:20,543 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) [2021-08-06 23:06:20,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:20,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-06 23:06:20,564 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:20,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:20,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2132727720, now seen corresponding path program 1 times [2021-08-06 23:06:20,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:20,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090159241] [2021-08-06 23:06:20,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:20,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-06 23:06:20,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:20,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090159241] [2021-08-06 23:06:20,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090159241] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 23:06:20,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 23:06:20,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-06 23:06:20,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033610081] [2021-08-06 23:06:20,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-06 23:06:20,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:20,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-06 23:06:20,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-06 23:06:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:20,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:20,612 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) [2021-08-06 23:06:20,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:20,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:20,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:20,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-06 23:06:20,642 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:20,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1289378822, now seen corresponding path program 1 times [2021-08-06 23:06:20,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:20,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904106034] [2021-08-06 23:06:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:20,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:20,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:20,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904106034] [2021-08-06 23:06:20,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904106034] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:20,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568676939] [2021-08-06 23:06:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:20,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:20,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:20,936 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) [2021-08-06 23:06:20,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-06 23:06:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:20,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-06 23:06:20,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:06:21,567 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-08-06 23:06:21,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2021-08-06 23:06:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:21,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568676939] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:21,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:06:21,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-08-06 23:06:21,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341689483] [2021-08-06 23:06:21,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-06 23:06:21,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:21,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-06 23:06:21,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-08-06 23:06:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:21,711 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:21,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 23:06:21,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:21,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:21,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:21,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-06 23:06:22,040 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 [2021-08-06 23:06:22,041 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:22,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:22,047 INFO L82 PathProgramCache]: Analyzing trace with hash -374345244, now seen corresponding path program 2 times [2021-08-06 23:06:22,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:22,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924886816] [2021-08-06 23:06:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:22,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:22,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:22,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924886816] [2021-08-06 23:06:22,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924886816] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:22,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791714004] [2021-08-06 23:06:22,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 23:06:22,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:22,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:22,132 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) [2021-08-06 23:06:22,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-06 23:06:22,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 23:06:22,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 23:06:22,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-06 23:06:22,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:06:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:22,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791714004] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:22,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:06:22,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-08-06 23:06:22,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096882877] [2021-08-06 23:06:22,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-06 23:06:22,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:22,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-06 23:06:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-06 23:06:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:22,390 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:22,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-08-06 23:06:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:22,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:22,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:22,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-06 23:06:22,800 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 [2021-08-06 23:06:22,801 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:22,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:22,802 INFO L82 PathProgramCache]: Analyzing trace with hash 359763488, now seen corresponding path program 1 times [2021-08-06 23:06:22,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:22,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265181137] [2021-08-06 23:06:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:22,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-06 23:06:22,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:22,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265181137] [2021-08-06 23:06:22,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265181137] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:22,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623847210] [2021-08-06 23:06:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:22,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:22,881 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) [2021-08-06 23:06:22,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-06 23:06:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:22,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-06 23:06:22,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:06:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-06 23:06:23,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623847210] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:23,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:06:23,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-08-06 23:06:23,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305533174] [2021-08-06 23:06:23,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-06 23:06:23,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:23,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-06 23:06:23,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-06 23:06:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:23,181 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:23,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2021-08-06 23:06:23,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:23,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:23,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:23,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:23,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:23,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-06 23:06:23,489 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 [2021-08-06 23:06:23,489 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash -559233666, now seen corresponding path program 2 times [2021-08-06 23:06:23,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:23,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996588635] [2021-08-06 23:06:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:23,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:24,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:24,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996588635] [2021-08-06 23:06:24,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996588635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:24,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151119375] [2021-08-06 23:06:24,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 23:06:24,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:24,381 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) [2021-08-06 23:06:24,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-06 23:06:24,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 23:06:24,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 23:06:24,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-06 23:06:24,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:06:27,106 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-08-06 23:06:27,106 INFO L388 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 234 treesize of output 151 [2021-08-06 23:06:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:27,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151119375] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:27,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:06:27,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-08-06 23:06:27,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126290514] [2021-08-06 23:06:27,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-06 23:06:27,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:27,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-06 23:06:27,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-08-06 23:06:27,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:27,375 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:27,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 23 states have internal predecessors, (58), 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) [2021-08-06 23:06:27,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:27,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:27,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:27,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:27,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:27,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:28,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:06:28,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-06 23:06:29,021 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 [2021-08-06 23:06:29,022 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:29,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:29,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1047764316, now seen corresponding path program 3 times [2021-08-06 23:06:29,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:29,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795657728] [2021-08-06 23:06:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:29,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:29,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:29,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795657728] [2021-08-06 23:06:29,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795657728] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:29,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243912330] [2021-08-06 23:06:29,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 23:06:29,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:29,164 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) [2021-08-06 23:06:29,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-06 23:06:29,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-06 23:06:29,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 23:06:29,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-06 23:06:29,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:06:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:29,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243912330] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:29,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:06:29,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-08-06 23:06:29,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268314631] [2021-08-06 23:06:29,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-06 23:06:29,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:29,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-06 23:06:29,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-08-06 23:06:29,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:29,776 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:29,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 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) [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:06:29,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:06:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:06:30,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-06 23:06:30,433 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 [2021-08-06 23:06:30,433 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:30,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:30,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1056785000, now seen corresponding path program 4 times [2021-08-06 23:06:30,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:30,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382388862] [2021-08-06 23:06:30,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:30,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-06 23:06:30,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:30,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382388862] [2021-08-06 23:06:30,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382388862] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:30,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834191448] [2021-08-06 23:06:30,568 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-06 23:06:30,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:30,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:30,569 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) [2021-08-06 23:06:30,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-06 23:06:30,842 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-06 23:06:30,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 23:06:30,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-06 23:06:30,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:06:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-06 23:06:31,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834191448] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:31,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:06:31,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-08-06 23:06:31,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749014617] [2021-08-06 23:06:31,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-06 23:06:31,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:06:31,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-06 23:06:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-08-06 23:06:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:31,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:06:31,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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) [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:06:31,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:06:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:06:31,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-06 23:06:31,425 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 [2021-08-06 23:06:31,426 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:06:31,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:06:31,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1714796278, now seen corresponding path program 5 times [2021-08-06 23:06:31,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:06:31,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341397977] [2021-08-06 23:06:31,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:06:31,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:06:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:06:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:06:40,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:06:40,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341397977] [2021-08-06 23:06:40,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341397977] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:06:40,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789159366] [2021-08-06 23:06:40,606 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-06 23:06:40,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:06:40,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:06:40,607 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) [2021-08-06 23:06:40,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-06 23:06:40,955 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-06 23:06:40,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 23:06:40,957 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-08-06 23:06:40,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:07:24,778 INFO L354 Elim1Store]: treesize reduction 70, result has 4.1 percent of original size [2021-08-06 23:07:24,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1015 treesize of output 588 [2021-08-06 23:07:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:07:25,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789159366] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:07:25,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:07:25,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-08-06 23:07:25,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496141982] [2021-08-06 23:07:25,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-06 23:07:25,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:07:25,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-06 23:07:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-08-06 23:07:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:07:25,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:07:25,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 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) [2021-08-06 23:07:25,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:07:25,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:07:25,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:07:25,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:07:25,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:07:25,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:07:25,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:07:25,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:07:25,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:07:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:07:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:07:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-06 23:07:30,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-06 23:07:30,332 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 [2021-08-06 23:07:30,333 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:07:30,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:07:30,333 INFO L82 PathProgramCache]: Analyzing trace with hash 612287504, now seen corresponding path program 6 times [2021-08-06 23:07:30,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:07:30,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986407278] [2021-08-06 23:07:30,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:07:30,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:07:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:07:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:07:30,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:07:30,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986407278] [2021-08-06 23:07:30,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986407278] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:07:30,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812532135] [2021-08-06 23:07:30,468 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-06 23:07:30,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:07:30,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:07:30,469 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) [2021-08-06 23:07:30,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-06 23:07:31,446 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-06 23:07:31,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 23:07:31,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-06 23:07:31,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:07:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:07:31,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812532135] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:07:31,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:07:31,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-08-06 23:07:31,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239107806] [2021-08-06 23:07:31,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-06 23:07:31,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:07:31,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-06 23:07:31,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-08-06 23:07:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:07:31,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:07:31,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 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) [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-06 23:07:31,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:07:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:07:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-06 23:07:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-06 23:07:32,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-06 23:07:32,351 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 [2021-08-06 23:07:32,351 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:07:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:07:32,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2026471278, now seen corresponding path program 7 times [2021-08-06 23:07:32,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:07:32,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905147011] [2021-08-06 23:07:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:07:32,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:07:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:08:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:08:15,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:08:15,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905147011] [2021-08-06 23:08:15,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905147011] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:08:15,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733247656] [2021-08-06 23:08:15,887 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-06 23:08:15,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 23:08:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:08:15,888 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) [2021-08-06 23:08:15,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-06 23:08:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:08:17,089 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-06 23:08:17,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 23:11:06,993 INFO L354 Elim1Store]: treesize reduction 219, result has 4.4 percent of original size [2021-08-06 23:11:06,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 4514 treesize of output 2317 [2021-08-06 23:11:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:11:13,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733247656] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 23:11:13,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 23:11:13,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-08-06 23:11:13,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740445029] [2021-08-06 23:11:13,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-06 23:11:13,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:11:13,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-06 23:11:13,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2021-08-06 23:11:13,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:11:13,468 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:11:13,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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) [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-06 23:11:13,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:11:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:11:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-06 23:11:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-06 23:11:53,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-06 23:11:53,776 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 [2021-08-06 23:11:53,776 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-06 23:11:53,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:11:53,777 INFO L82 PathProgramCache]: Analyzing trace with hash 280276778, now seen corresponding path program 8 times [2021-08-06 23:11:53,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:11:53,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613118779] [2021-08-06 23:11:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:11:53,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:11:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:12:17,629 WARN L207 SmtUtils]: Spent 19.76 s on a formula simplification. DAG size of input: 216 DAG size of output: 280 [2021-08-06 23:12:57,220 WARN L207 SmtUtils]: Spent 19.06 s on a formula simplification. DAG size of input: 216 DAG size of output: 280 [2021-08-06 23:14:35,825 WARN L207 SmtUtils]: Spent 1.62 m on a formula simplification. DAG size of input: 331 DAG size of output: 325 [2021-08-06 23:17:53,051 WARN L207 SmtUtils]: Spent 1.61 m on a formula simplification. DAG size of input: 331 DAG size of output: 325 Received shutdown request... [2021-08-06 23:20:59,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-06 23:20:59,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-06 23:20:59,466 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-3-2-2-2-3-4-2-4-4-2-2-2-2-4-2-7-3-9-4-10-4-10-4-10-4-10-4-10-4-12-4-12-4-12-4-12-4-12-4-12-4-12-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-10-4-10-4-6-4-5-4-5-4-5-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-63-12-10-10-10-10-10-10-10-10-10-12-10-12-12-12-12-12-12-12-12-12-12-12-12-13-12-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-10-13-10-10-6-10-5-6-5-5-5-5-4-5-4-4-3-4-3-2-1 context. [2021-08-06 23:20:59,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 23:20:59,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 23:20:59,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-06 23:20:59,472 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 23:20:59,472 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 23:20:59,473 INFO L202 PluginConnector]: Adding new model min-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 11:20:59 BasicIcfg [2021-08-06 23:20:59,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 23:20:59,474 INFO L168 Benchmark]: Toolchain (without parser) took 879467.05 ms. Allocated memory was 163.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 144.5 MB in the beginning and 916.4 MB in the end (delta: -771.9 MB). Peak memory consumption was 944.0 MB. Max. memory is 8.0 GB. [2021-08-06 23:20:59,474 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 163.6 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 23:20:59,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.24 ms. Allocated memory is still 163.6 MB. Free memory was 144.3 MB in the beginning and 142.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-06 23:20:59,474 INFO L168 Benchmark]: Boogie Preprocessor took 11.09 ms. Allocated memory is still 163.6 MB. Free memory was 142.8 MB in the beginning and 142.0 MB in the end (delta: 814.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 23:20:59,474 INFO L168 Benchmark]: RCFGBuilder took 178.54 ms. Allocated memory is still 163.6 MB. Free memory was 141.8 MB in the beginning and 128.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-06 23:20:59,474 INFO L168 Benchmark]: TraceAbstraction took 879249.36 ms. Allocated memory was 163.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 128.2 MB in the beginning and 916.4 MB in the end (delta: -788.2 MB). Peak memory consumption was 927.2 MB. Max. memory is 8.0 GB. [2021-08-06 23:20:59,474 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 [2021-08-06 23:20:59,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-08-06 23:20:59,474 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 163.6 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.24 ms. Allocated memory is still 163.6 MB. Free memory was 144.3 MB in the beginning and 142.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.09 ms. Allocated memory is still 163.6 MB. Free memory was 142.8 MB in the beginning and 142.0 MB in the end (delta: 814.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 178.54 ms. Allocated memory is still 163.6 MB. Free memory was 141.8 MB in the beginning and 128.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 879249.36 ms. Allocated memory was 163.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 128.2 MB in the beginning and 916.4 MB in the end (delta: -788.2 MB). Peak memory consumption was 927.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5352, positive: 4468, positive conditional: 4468, positive unconditional: 0, negative: 884, negative conditional: 884, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4468, positive: 4468, positive conditional: 4468, 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: 4468, positive: 4468, positive conditional: 4468, 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: 4468, positive: 4468, positive conditional: 4345, positive unconditional: 123, 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: 4468, positive: 4468, positive conditional: 3048, positive unconditional: 1420, 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: 4468, positive: 4468, positive conditional: 3048, positive unconditional: 1420, 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: 36, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4468, positive: 4417, positive conditional: 3048, positive unconditional: 1369, 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: 1297, Maximal queried relation: 0, Independence queries for same thread: 884 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-3-2-2-2-3-4-2-4-4-2-2-2-2-4-2-7-3-9-4-10-4-10-4-10-4-10-4-10-4-12-4-12-4-12-4-12-4-12-4-12-4-12-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-10-4-10-4-6-4-5-4-5-4-5-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-63-12-10-10-10-10-10-10-10-10-10-12-10-12-12-12-12-12-12-12-12-12-12-12-12-13-12-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-10-13-10-10-6-10-5-6-5-5-5-5-4-5-4-4-3-4-3-2-1 context. - 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-3-2-2-2-3-4-2-4-4-2-2-2-2-4-2-7-3-9-4-10-4-10-4-10-4-10-4-10-4-12-4-12-4-12-4-12-4-12-4-12-4-12-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-10-4-10-4-6-4-5-4-5-4-5-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-63-12-10-10-10-10-10-10-10-10-10-12-10-12-12-12-12-12-12-12-12-12-12-12-12-13-12-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-10-13-10-10-6-10-5-6-5-5-5-5-4-5-4-4-3-4-3-2-1 context. - 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-3-2-2-2-3-4-2-4-4-2-2-2-2-4-2-7-3-9-4-10-4-10-4-10-4-10-4-10-4-12-4-12-4-12-4-12-4-12-4-12-4-12-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-10-4-10-4-6-4-5-4-5-4-5-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-63-12-10-10-10-10-10-10-10-10-10-12-10-12-12-12-12-12-12-12-12-12-12-12-12-13-12-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-10-13-10-10-6-10-5-6-5-5-5-5-4-5-4-4-3-4-3-2-1 context. - 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 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-3-2-2-2-3-4-2-4-4-2-2-2-2-4-2-7-3-9-4-10-4-10-4-10-4-10-4-10-4-12-4-12-4-12-4-12-4-12-4-12-4-12-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-13-4-10-4-10-4-6-4-5-4-5-4-5-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-63-12-10-10-10-10-10-10-10-10-10-12-10-12-12-12-12-12-12-12-12-12-12-12-12-13-12-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-10-13-10-10-6-10-5-6-5-5-5-5-4-5-4-4-3-4-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 879191.7ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 47260.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 213, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 51.6ms SsaConstructionTime, 377.1ms SatisfiabilityAnalysisTime, 280446.6ms InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 618 ConstructedInterpolants, 14 QuantifiedInterpolants, 117937 SizeOfPredicates, 35 NumberOfNonLiveVariables, 759 ConjunctsInSsa, 213 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 102/523 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