/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/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-1.line940.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 07:27:20,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 07:27:20,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 07:27:20,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-30 07:27:20,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 07:27:20,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 07:27:20,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 07:27:20,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 07:27:20,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 07:27:20,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 07:27:20,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 07:27:20,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 07:27:20,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 07:27:20,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 07:27:20,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 07:27:20,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 07:27:20,372 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 07:27:20,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 07:27:20,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 07:27:20,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 07:27:20,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 07:27:20,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 07:27:20,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 07:27:20,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 07:27:20,376 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 07:27:20,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 07:27:20,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 07:27:20,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 07:27:20,573 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 07:27:20,574 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 07:27:20,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-1.line940.bpl [2022-09-30 07:27:20,575 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-1.line940.bpl' [2022-09-30 07:27:20,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 07:27:20,618 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 07:27:20,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 07:27:20,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 07:27:20,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 07:27:20,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 07:27:20,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 07:27:20,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 07:27:20,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 07:27:20,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/1) ... [2022-09-30 07:27:20,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 07:27:20,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:27:20,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-30 07:27:20,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-30 07:27:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-09-30 07:27:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-09-30 07:27:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-09-30 07:27:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-09-30 07:27:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 07:27:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 07:27:20,757 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 07:27:20,993 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 07:27:20,994 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 07:27:21,520 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 07:27:21,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 07:27:21,543 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-30 07:27:21,546 INFO L202 PluginConnector]: Adding new model ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 07:27:21 BoogieIcfgContainer [2022-09-30 07:27:21,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 07:27:21,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 07:27:21,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 07:27:21,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 07:27:21,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:27:20" (1/2) ... [2022-09-30 07:27:21,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f0061c and model type ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 07:27:21, skipping insertion in model container [2022-09-30 07:27:21,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 07:27:21" (2/2) ... [2022-09-30 07:27:21,556 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.line940.bpl [2022-09-30 07:27:21,563 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 07:27:21,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 07:27:21,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 07:27:21,570 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 07:27:21,689 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-30 07:27:21,736 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 07:27:21,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 07:27:21,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:27:21,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 07:27:21,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-30 07:27:21,770 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 07:27:21,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-30 07:27:21,784 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10d88740, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 07:27:21,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 07:27:22,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:27:22,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:27:22,016 INFO L85 PathProgramCache]: Analyzing trace with hash -451793524, now seen corresponding path program 1 times [2022-09-30 07:27:22,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:27:22,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18954615] [2022-09-30 07:27:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:27:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:27:22,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:27:22,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18954615] [2022-09-30 07:27:22,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18954615] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:27:22,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:27:22,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 07:27:22,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58073580] [2022-09-30 07:27:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:27:22,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 07:27:22,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:27:22,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 07:27:22,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 07:27:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:22,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:27:22,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:27:22,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:22,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 07:27:22,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:27:22,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:27:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1666495100, now seen corresponding path program 1 times [2022-09-30 07:27:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:27:22,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839313899] [2022-09-30 07:27:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:22,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:27:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:27:22,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:27:22,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839313899] [2022-09-30 07:27:22,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839313899] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:27:22,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:27:22,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-09-30 07:27:22,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208131474] [2022-09-30 07:27:22,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:27:22,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-30 07:27:22,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:27:22,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-30 07:27:22,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-09-30 07:27:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:22,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:27:22,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 19.833333333333332) internal successors, (238), 13 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:27:22,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:22,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:28,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:28,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:28,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 07:27:28,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:27:28,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:27:28,646 INFO L85 PathProgramCache]: Analyzing trace with hash 359172344, now seen corresponding path program 1 times [2022-09-30 07:27:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:27:28,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446438912] [2022-09-30 07:27:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:27:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-09-30 07:27:28,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:27:28,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446438912] [2022-09-30 07:27:28,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446438912] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:27:28,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:27:28,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-30 07:27:28,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299791384] [2022-09-30 07:27:28,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:27:28,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-30 07:27:28,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:27:28,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-30 07:27:28,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-30 07:27:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:28,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:27:28,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:27:28,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:28,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:28,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:27:34,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-30 07:27:34,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:27:34,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:27:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1625208271, now seen corresponding path program 1 times [2022-09-30 07:27:34,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:27:34,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312144772] [2022-09-30 07:27:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:34,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:27:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:34,667 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-09-30 07:27:34,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:27:34,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312144772] [2022-09-30 07:27:34,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312144772] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:27:34,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440012988] [2022-09-30 07:27:34,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:34,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:27:34,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:27:34,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-30 07:27:34,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-30 07:27:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:34,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 35 conjunts are in the unsatisfiable core [2022-09-30 07:27:34,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:27:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-09-30 07:27:35,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:27:35,371 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-30 07:27:35,371 INFO L390 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 12 treesize of output 11 [2022-09-30 07:27:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-09-30 07:27:35,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440012988] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 07:27:35,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 07:27:35,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 14] total 17 [2022-09-30 07:27:35,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887171727] [2022-09-30 07:27:35,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 07:27:35,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-30 07:27:35,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:27:35,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-30 07:27:35,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-30 07:27:35,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:35,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:27:35,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 26.41176470588235) internal successors, (449), 18 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:27:35,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:35,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:35,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:27:35,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:27:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-30 07:27:46,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-30 07:27:47,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-09-30 07:27:47,022 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:27:47,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:27:47,023 INFO L85 PathProgramCache]: Analyzing trace with hash -485111776, now seen corresponding path program 1 times [2022-09-30 07:27:47,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:27:47,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687931407] [2022-09-30 07:27:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:47,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:27:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-09-30 07:27:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:27:47,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687931407] [2022-09-30 07:27:47,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687931407] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:27:47,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:27:47,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-30 07:27:47,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822877827] [2022-09-30 07:27:47,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:27:47,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-30 07:27:47,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:27:47,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-30 07:27:47,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-30 07:27:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:47,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:27:47,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:27:47,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:47,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:47,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:27:47,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-09-30 07:27:47,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:27:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-30 07:27:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:27:57,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-30 07:27:57,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:27:57,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:27:57,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1456119920, now seen corresponding path program 1 times [2022-09-30 07:27:57,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:27:57,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065963972] [2022-09-30 07:27:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:57,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:27:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-30 07:27:57,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:27:57,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065963972] [2022-09-30 07:27:57,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065963972] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:27:57,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418896288] [2022-09-30 07:27:57,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:27:57,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:27:57,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:27:57,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-30 07:27:57,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-30 07:27:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:27:57,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-30 07:27:57,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:27:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-30 07:27:57,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:27:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-30 07:27:58,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418896288] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 07:27:58,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 07:27:58,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-09-30 07:27:58,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000939273] [2022-09-30 07:27:58,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 07:27:58,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-30 07:27:58,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:27:58,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-30 07:27:58,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-09-30 07:27:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:58,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:27:58,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 121.42857142857143) internal successors, (850), 7 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:27:58,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:27:58,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:27:58,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:27:58,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-09-30 07:27:58,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:27:58,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:28:27,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:28:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:28:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:28:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-30 07:28:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:28:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:28:27,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-30 07:28:27,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:28:27,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:28:27,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:28:27,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1102697736, now seen corresponding path program 2 times [2022-09-30 07:28:27,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:28:27,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598644883] [2022-09-30 07:28:27,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:28:27,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:28:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:28:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-09-30 07:28:27,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:28:27,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598644883] [2022-09-30 07:28:27,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598644883] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:28:27,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:28:27,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-30 07:28:27,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277624234] [2022-09-30 07:28:27,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:28:27,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-30 07:28:27,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:28:27,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-30 07:28:27,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-09-30 07:28:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:28:27,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:28:27,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 98.2) internal successors, (491), 6 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:28:27,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:28:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:28:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:28:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-09-30 07:28:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:28:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:28:27,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:06,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:29:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:29:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-30 07:29:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:29:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:29:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:29:06,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-30 07:29:06,803 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:29:06,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:29:06,803 INFO L85 PathProgramCache]: Analyzing trace with hash -148884970, now seen corresponding path program 1 times [2022-09-30 07:29:06,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:29:06,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862885712] [2022-09-30 07:29:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:29:06,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:29:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:29:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5749 backedges. 2496 proven. 0 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2022-09-30 07:29:07,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:29:07,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862885712] [2022-09-30 07:29:07,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862885712] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:29:07,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:29:07,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-30 07:29:07,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717571917] [2022-09-30 07:29:07,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:29:07,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-30 07:29:07,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:29:07,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-30 07:29:07,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-30 07:29:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:07,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:29:07,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:29:07,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:29:07,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:29:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:29:48,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-30 07:29:48,950 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:29:48,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:29:48,950 INFO L85 PathProgramCache]: Analyzing trace with hash 213021010, now seen corresponding path program 2 times [2022-09-30 07:29:48,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:29:48,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539957425] [2022-09-30 07:29:48,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:29:48,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:29:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:29:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5749 backedges. 888 proven. 782 refuted. 0 times theorem prover too weak. 4079 trivial. 0 not checked. [2022-09-30 07:29:49,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:29:49,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539957425] [2022-09-30 07:29:49,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539957425] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:29:49,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196521996] [2022-09-30 07:29:49,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-30 07:29:49,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:29:49,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:29:49,818 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-30 07:29:49,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-30 07:29:50,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-30 07:29:50,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-30 07:29:50,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 3779 conjuncts, 6 conjunts are in the unsatisfiable core [2022-09-30 07:29:50,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:29:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5749 backedges. 888 proven. 782 refuted. 0 times theorem prover too weak. 4079 trivial. 0 not checked. [2022-09-30 07:29:51,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:29:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5749 backedges. 888 proven. 782 refuted. 0 times theorem prover too weak. 4079 trivial. 0 not checked. [2022-09-30 07:29:51,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196521996] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 07:29:51,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 07:29:51,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-09-30 07:29:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3887376] [2022-09-30 07:29:51,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 07:29:51,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-30 07:29:51,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:29:51,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-30 07:29:51,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-09-30 07:29:51,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:51,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:29:51,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.46153846153845) internal successors, (1696), 13 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:29:51,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:32:15,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:32:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-30 07:32:15,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-30 07:32:15,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:32:15,860 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:32:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:32:15,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1961296302, now seen corresponding path program 3 times [2022-09-30 07:32:15,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:32:15,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736912891] [2022-09-30 07:32:15,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:32:15,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:32:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:32:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10798 backedges. 888 proven. 5825 refuted. 0 times theorem prover too weak. 4085 trivial. 0 not checked. [2022-09-30 07:32:17,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:32:17,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736912891] [2022-09-30 07:32:17,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736912891] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:32:17,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331051936] [2022-09-30 07:32:17,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-30 07:32:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:32:17,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:32:17,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-30 07:32:17,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-30 07:32:40,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-09-30 07:32:40,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-30 07:32:40,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 2783 conjuncts, 13 conjunts are in the unsatisfiable core [2022-09-30 07:32:40,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:32:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10798 backedges. 4963 proven. 0 refuted. 0 times theorem prover too weak. 5835 trivial. 0 not checked. [2022-09-30 07:32:42,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-30 07:32:42,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331051936] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:32:42,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-30 07:32:42,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [13] total 25 [2022-09-30 07:32:42,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792947524] [2022-09-30 07:32:42,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:32:42,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-09-30 07:32:42,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:32:42,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-09-30 07:32:42,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2022-09-30 07:32:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:32:42,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:32:42,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 100.14285714285714) internal successors, (1402), 14 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-09-30 07:32:42,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-09-30 07:36:16,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-30 07:36:16,358 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-30 07:36:16,358 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-30 07:36:16,358 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-30 07:36:16,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-09-30 07:36:16,527 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-09-30 07:36:16,529 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 07:36:16,533 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2022-09-30 07:36:16,536 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/3) [2022-09-30 07:36:16,537 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 07:36:16,537 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 07:36:16,539 INFO L202 PluginConnector]: Adding new model ring_2w1r-1.line940.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 07:36:16 BasicIcfg [2022-09-30 07:36:16,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 07:36:16,540 INFO L158 Benchmark]: Toolchain (without parser) took 535921.26ms. Allocated memory was 223.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 175.0MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2022-09-30 07:36:16,540 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 223.3MB. Free memory is still 178.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 07:36:16,540 INFO L158 Benchmark]: Boogie Preprocessor took 73.10ms. Allocated memory is still 223.3MB. Free memory was 174.9MB in the beginning and 171.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-30 07:36:16,540 INFO L158 Benchmark]: RCFGBuilder took 844.38ms. Allocated memory is still 223.3MB. Free memory was 171.4MB in the beginning and 165.4MB in the end (delta: 6.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-09-30 07:36:16,540 INFO L158 Benchmark]: TraceAbstraction took 534991.19ms. Allocated memory was 223.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 165.1MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2022-09-30 07:36:16,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 223.3MB. Free memory is still 178.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 73.10ms. Allocated memory is still 223.3MB. Free memory was 174.9MB in the beginning and 171.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 844.38ms. Allocated memory is still 223.3MB. Free memory was 171.4MB in the beginning and 165.4MB in the end (delta: 6.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * TraceAbstraction took 534991.19ms. Allocated memory was 223.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 165.1MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 193, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 134, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 244, positive: 241, positive conditional: 241, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 315634, positive: 306760, positive conditional: 306760, positive unconditional: 0, negative: 8874, negative conditional: 8874, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 19371, Positive cache size: 19304, Positive conditional cache size: 0, Positive unconditional cache size: 19304, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Independence queries for same thread: 8138, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 532481, positive: 517320, positive conditional: 517320, positive unconditional: 0, negative: 15161, negative conditional: 15161, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 19921, Positive cache size: 19854, Positive conditional cache size: 0, Positive unconditional cache size: 19854, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Independence queries for same thread: 22164, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 864992, positive: 840568, positive conditional: 840568, positive unconditional: 0, negative: 24424, negative conditional: 24424, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 30781, Positive cache size: 30671, Positive conditional cache size: 0, Positive unconditional cache size: 30671, Negative cache size: 110, Negative conditional cache size: 0, Negative unconditional cache size: 110, Independence queries for same thread: 44931, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1002895, positive: 973798, positive conditional: 973798, positive unconditional: 0, negative: 29097, negative conditional: 29097, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 32360, Positive cache size: 32250, Positive conditional cache size: 0, Positive unconditional cache size: 32250, Negative cache size: 110, Negative conditional cache size: 0, Negative unconditional cache size: 110, Independence queries for same thread: 72179, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2502841, positive: 2430563, positive conditional: 2430563, positive unconditional: 0, negative: 72278, negative conditional: 72278, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 32360, Positive cache size: 32250, Positive conditional cache size: 0, Positive unconditional cache size: 32250, Negative cache size: 110, Negative conditional cache size: 0, Negative unconditional cache size: 110, Independence queries for same thread: 140194, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2812233, positive: 2730567, positive conditional: 2730567, positive unconditional: 0, negative: 81666, negative conditional: 81666, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 34335, Positive cache size: 34209, Positive conditional cache size: 0, Positive unconditional cache size: 34209, Negative cache size: 126, Negative conditional cache size: 0, Negative unconditional cache size: 126, Independence queries for same thread: 216630, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3148174, positive: 3036528, positive conditional: 3036528, positive unconditional: 0, negative: 111646, negative conditional: 111646, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 36519, Positive cache size: 36386, Positive conditional cache size: 0, Positive unconditional cache size: 36386, Negative cache size: 133, Negative conditional cache size: 0, Negative unconditional cache size: 133, Independence queries for same thread: 322474, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7276768, positive: 7018800, positive conditional: 7018800, positive unconditional: 0, negative: 257968, negative conditional: 257968, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 36519, Positive cache size: 36386, Positive conditional cache size: 0, Positive unconditional cache size: 36386, Negative cache size: 133, Negative conditional cache size: 0, Negative unconditional cache size: 133, Independence queries for same thread: 568208, Statistics for Abstraction: - StatisticsResult: Independence relation #11 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 9566920, positive: 9278102, positive conditional: 9278102, positive unconditional: 0, negative: 288818, negative conditional: 288818, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28023375, positive: 27133436, positive conditional: 27133436, positive unconditional: 0, negative: 889939, negative conditional: 889939, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27210161, positive: 27133436, positive conditional: 0, positive unconditional: 27133436, negative: 76725, negative conditional: 0, negative unconditional: 76725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39295, positive: 39140, positive conditional: 0, positive unconditional: 39140, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27210161, positive: 27094296, positive conditional: 0, positive unconditional: 27094296, negative: 76570, negative conditional: 0, negative unconditional: 76570, unknown: 39295, unknown conditional: 0, unknown unconditional: 39295] , Statistics on independence cache: Total cache size (in pairs): 39295, Positive cache size: 39140, Positive conditional cache size: 0, Positive unconditional cache size: 39140, Negative cache size: 155, Negative conditional cache size: 0, Negative unconditional cache size: 155, Independence queries for same thread: 813214, Statistics for Abstraction: - TimeoutResultAtElement [Line: 940]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 850 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 534.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 501.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 23.7s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 14484 NumberOfCodeBlocks, 13214 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 17162 ConstructedInterpolants, 0 QuantifiedInterpolants, 31872 SizeOfPredicates, 17 NumberOfNonLiveVariables, 8635 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 37623/45974 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