/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 22:28:45,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 22:28:45,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 22:28:45,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 22:28:45,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-22 22:28:45,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 22:28:45,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 22:28:45,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 22:28:45,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 22:28:45,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 22:28:45,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 22:28:45,920 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 22:28:45,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 22:28:45,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 22:28:45,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 22:28:45,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 22:28:45,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 22:28:45,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 22:28:45,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-22 22:28:45,923 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 22:28:46,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 22:28:46,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 22:28:46,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 22:28:46,129 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 22:28:46,131 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 22:28:46,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-10-22 22:28:46,132 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-10-22 22:28:46,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 22:28:46,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 22:28:46,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 22:28:46,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 22:28:46,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 22:28:46,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 22:28:46,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 22:28:46,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 22:28:46,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 22:28:46,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 22:28:46,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 22:28:46,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 22:28:46,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 22:28:46,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/1) ... [2021-10-22 22:28:46,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 22:28:46,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:46,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 22:28:46,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 22:28:46,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 22:28:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 22:28:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 22:28:46,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 22:28:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 22:28:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 22:28:46,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 22:28:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 22:28:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 22:28:46,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 22:28:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 22:28:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 22:28:46,274 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 22:28:46,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 22:28:46,427 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-22 22:28:46,429 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:28:46 BoogieIcfgContainer [2021-10-22 22:28:46,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 22:28:46,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 22:28:46,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 22:28:46,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 22:28:46,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 10:28:46" (1/2) ... [2021-10-22 22:28:46,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0620a5 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:28:46, skipping insertion in model container [2021-10-22 22:28:46,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:28:46" (2/2) ... [2021-10-22 22:28:46,451 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-10-22 22:28:46,454 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 22:28:46,454 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 22:28:46,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 22:28:46,455 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 22:28:46,500 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 22:28:46,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 22:28:46,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:46,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 22:28:46,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 22:28:46,549 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 22:28:46,553 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 22:28:46,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-22 22:28:46,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:46,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:46,639 INFO L82 PathProgramCache]: Analyzing trace with hash -624595504, now seen corresponding path program 1 times [2021-10-22 22:28:46,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:46,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504187988] [2021-10-22 22:28:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:46,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:28:46,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:46,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504187988] [2021-10-22 22:28:46,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504187988] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:28:46,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:28:46,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 22:28:46,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667044867] [2021-10-22 22:28:46,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 22:28:46,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:28:46,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 22:28:46,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 22:28:46,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:46,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:28:46,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:28:46,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:46,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 22:28:46,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:46,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:46,850 INFO L82 PathProgramCache]: Analyzing trace with hash -719597906, now seen corresponding path program 1 times [2021-10-22 22:28:46,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:46,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36701792] [2021-10-22 22:28:46,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:46,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:28:46,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:46,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36701792] [2021-10-22 22:28:46,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36701792] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 22:28:46,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 22:28:46,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-22 22:28:46,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336119644] [2021-10-22 22:28:46,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 22:28:46,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:28:46,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 22:28:46,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 22:28:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:46,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:28:46,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:28:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:46,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:46,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 22:28:46,915 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:46,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:46,915 INFO L82 PathProgramCache]: Analyzing trace with hash -171947494, now seen corresponding path program 1 times [2021-10-22 22:28:46,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:46,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550263676] [2021-10-22 22:28:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:46,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:28:47,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:47,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550263676] [2021-10-22 22:28:47,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550263676] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:47,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164553604] [2021-10-22 22:28:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:47,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:47,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:28:47,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 22:28:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:47,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-22 22:28:47,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:28:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:28:47,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164553604] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:47,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:28:47,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-22 22:28:47,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225554546] [2021-10-22 22:28:47,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-22 22:28:47,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:28:47,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-22 22:28:47,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-22 22:28:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:47,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:28:47,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:28:47,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:47,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:47,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:47,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 22:28:47,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-22 22:28:47,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:47,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:47,524 INFO L82 PathProgramCache]: Analyzing trace with hash 706677752, now seen corresponding path program 2 times [2021-10-22 22:28:47,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:47,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678809464] [2021-10-22 22:28:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:47,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:28:48,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:48,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678809464] [2021-10-22 22:28:48,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678809464] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:48,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312842729] [2021-10-22 22:28:48,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 22:28:48,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:48,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:48,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:28:48,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 22:28:48,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 22:28:48,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:28:48,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-22 22:28:48,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:28:49,562 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-22 22:28:49,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 96 [2021-10-22 22:28:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:28:50,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312842729] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:50,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:28:50,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 19 [2021-10-22 22:28:50,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568715678] [2021-10-22 22:28:50,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-22 22:28:50,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:28:50,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-22 22:28:50,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-10-22 22:28:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:50,953 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:28:50,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:28:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:51,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:28:51,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 22:28:51,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:51,881 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:51,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:51,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1043018154, now seen corresponding path program 3 times [2021-10-22 22:28:51,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:51,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382156576] [2021-10-22 22:28:51,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:51,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:28:51,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:51,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382156576] [2021-10-22 22:28:51,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382156576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:51,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628882620] [2021-10-22 22:28:51,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 22:28:51,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:51,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:51,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:28:51,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 22:28:52,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-22 22:28:52,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:28:52,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-22 22:28:52,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:28:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:28:52,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628882620] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:52,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:28:52,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-10-22 22:28:52,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73405380] [2021-10-22 22:28:52,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-22 22:28:52,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:28:52,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-22 22:28:52,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-10-22 22:28:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:52,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:28:52,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:28:52,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:52,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:52,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:52,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:28:52,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:28:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:28:52,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 22:28:52,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:52,704 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:52,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:52,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1547046886, now seen corresponding path program 4 times [2021-10-22 22:28:52,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:52,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685907201] [2021-10-22 22:28:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:52,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:28:52,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:52,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685907201] [2021-10-22 22:28:52,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685907201] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:52,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757131124] [2021-10-22 22:28:52,764 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 22:28:52,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:52,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:52,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:28:52,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 22:28:52,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 22:28:52,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:28:52,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-22 22:28:52,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:28:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:28:53,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757131124] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:53,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:28:53,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-10-22 22:28:53,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060810090] [2021-10-22 22:28:53,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-22 22:28:53,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:28:53,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-22 22:28:53,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-10-22 22:28:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:53,078 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:28:53,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:28:53,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:53,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:53,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:53,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:28:53,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:28:53,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:28:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:28:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:28:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:28:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:28:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:28:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:28:53,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 22:28:53,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:53,384 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:28:53,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:28:53,384 INFO L82 PathProgramCache]: Analyzing trace with hash -986713096, now seen corresponding path program 5 times [2021-10-22 22:28:53,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:28:53,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375474243] [2021-10-22 22:28:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:28:53,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:28:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:28:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:28:56,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:28:56,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375474243] [2021-10-22 22:28:56,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375474243] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:28:56,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131078734] [2021-10-22 22:28:56,591 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 22:28:56,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:28:56,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:28:56,592 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:28:56,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 22:28:56,839 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-10-22 22:28:56,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:28:56,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-22 22:28:56,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:29:10,747 INFO L354 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2021-10-22 22:29:10,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 495 treesize of output 300 [2021-10-22 22:29:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:29:11,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131078734] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:29:11,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:29:11,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-10-22 22:29:11,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256140067] [2021-10-22 22:29:11,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-22 22:29:11,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:29:11,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-22 22:29:11,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2021-10-22 22:29:11,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:29:11,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:29:11,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.357142857142857) internal successors, (66), 28 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:29:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:29:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:29:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:29:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:29:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 22:29:13,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-22 22:29:14,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:29:14,049 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:29:14,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:29:14,050 INFO L82 PathProgramCache]: Analyzing trace with hash 623147094, now seen corresponding path program 6 times [2021-10-22 22:29:14,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:29:14,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839837307] [2021-10-22 22:29:14,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:29:14,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:29:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:29:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:29:14,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:29:14,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839837307] [2021-10-22 22:29:14,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839837307] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:29:14,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351970497] [2021-10-22 22:29:14,144 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 22:29:14,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:29:14,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:29:14,145 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:29:14,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 22:29:14,862 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-10-22 22:29:14,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 22:29:14,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-22 22:29:14,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:29:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 22:29:15,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351970497] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:29:15,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:29:15,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-10-22 22:29:15,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503665046] [2021-10-22 22:29:15,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-22 22:29:15,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:29:15,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-22 22:29:15,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-10-22 22:29:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:29:15,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:29:15,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 24 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:29:15,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:29:15,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:29:15,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:29:15,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:15,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:29:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 22:29:15,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:29:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 22:29:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 22:29:15,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 22:29:15,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:29:15,693 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:29:15,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:29:15,694 INFO L82 PathProgramCache]: Analyzing trace with hash 590649882, now seen corresponding path program 7 times [2021-10-22 22:29:15,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:29:15,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921238252] [2021-10-22 22:29:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:29:15,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:29:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:29:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:29:15,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 22:29:15,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921238252] [2021-10-22 22:29:15,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921238252] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:29:15,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004292155] [2021-10-22 22:29:15,790 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 22:29:15,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 22:29:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 22:29:15,791 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 22:29:15,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 22:29:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 22:29:16,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-22 22:29:16,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 22:29:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 22:29:16,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004292155] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 22:29:16,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 22:29:16,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2021-10-22 22:29:16,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779220548] [2021-10-22 22:29:16,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-22 22:29:16,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 22:29:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-22 22:29:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-10-22 22:29:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:29:16,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 22:29:16,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.7) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-22 22:29:16,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 22:29:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 22:29:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 22:29:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-22 22:29:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 22:29:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 22:29:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 22:29:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 22:29:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 22:29:16,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 22:29:17,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-22 22:29:17,049 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 22:29:17,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 22:29:17,050 INFO L82 PathProgramCache]: Analyzing trace with hash -549462024, now seen corresponding path program 8 times [2021-10-22 22:29:17,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 22:29:17,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821478011] [2021-10-22 22:29:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 22:29:17,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 22:29:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-22 22:43:26,300 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 22:43:26,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-22 22:43:26,301 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-6-2-11-3-7-4-7-4-7-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-3-9-2-9-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-2-2-2-8-1 context. [2021-10-22 22:43:26,303 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 22:43:26,304 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 22:43:26,304 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 22:43:26,309 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 22:43:26,309 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 22:43:26,310 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 10:43:26 BasicIcfg [2021-10-22 22:43:26,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 22:43:26,311 INFO L168 Benchmark]: Toolchain (without parser) took 880158.20 ms. Allocated memory was 208.7 MB in the beginning and 1.1 GB in the end (delta: 847.2 MB). Free memory was 167.1 MB in the beginning and 792.0 MB in the end (delta: -624.9 MB). Peak memory consumption was 660.6 MB. Max. memory is 8.0 GB. [2021-10-22 22:43:26,311 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 208.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 22:43:26,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.02 ms. Allocated memory is still 208.7 MB. Free memory was 167.0 MB in the beginning and 165.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 22:43:26,311 INFO L168 Benchmark]: Boogie Preprocessor took 26.48 ms. Allocated memory is still 208.7 MB. Free memory was 165.5 MB in the beginning and 164.5 MB in the end (delta: 995.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 22:43:26,312 INFO L168 Benchmark]: RCFGBuilder took 220.64 ms. Allocated memory is still 208.7 MB. Free memory was 164.5 MB in the beginning and 151.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-22 22:43:26,312 INFO L168 Benchmark]: TraceAbstraction took 879879.96 ms. Allocated memory was 208.7 MB in the beginning and 1.1 GB in the end (delta: 847.2 MB). Free memory was 151.1 MB in the beginning and 792.0 MB in the end (delta: -640.9 MB). Peak memory consumption was 643.9 MB. Max. memory is 8.0 GB. [2021-10-22 22:43:26,313 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 0.11 ms. Allocated memory is still 208.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.02 ms. Allocated memory is still 208.7 MB. Free memory was 167.0 MB in the beginning and 165.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.48 ms. Allocated memory is still 208.7 MB. Free memory was 165.5 MB in the beginning and 164.5 MB in the end (delta: 995.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 220.64 ms. Allocated memory is still 208.7 MB. Free memory was 164.5 MB in the beginning and 151.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 879879.96 ms. Allocated memory was 208.7 MB in the beginning and 1.1 GB in the end (delta: 847.2 MB). Free memory was 151.1 MB in the beginning and 792.0 MB in the end (delta: -640.9 MB). Peak memory consumption was 643.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1160, positive: 900, positive conditional: 572, positive unconditional: 328, negative: 260, negative conditional: 260, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 900, positive: 900, positive conditional: 0, positive unconditional: 900, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 900, positive: 609, positive conditional: 0, positive unconditional: 609, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 291, Positive conditional cache size: 0, Positive unconditional cache size: 291, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 260 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 25, Number of persistent set computation: 48, Number of trivial persistent sets: 28, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1160, positive: 900, positive conditional: 572, positive unconditional: 328, negative: 260, negative conditional: 260, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 900, positive: 900, positive conditional: 0, positive unconditional: 900, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 291, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 291, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 900, positive: 609, positive conditional: 0, positive unconditional: 609, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 291, Positive conditional cache size: 0, Positive unconditional cache size: 291, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 260 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-6-2-11-3-7-4-7-4-7-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-3-9-2-9-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-2-2-2-8-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-6-2-11-3-7-4-7-4-7-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-3-9-2-9-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-2-2-2-8-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-6-2-11-3-7-4-7-4-7-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-3-9-2-9-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-2-2-2-8-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-6-2-11-3-7-4-7-4-7-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-5-9-3-9-2-9-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-2-2-2-8-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 879781.3ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 3591.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.3ms SsaConstructionTime, 267.1ms SatisfiabilityAnalysisTime, 23008.6ms InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 466 ConstructedInterpolants, 16 QuantifiedInterpolants, 16860 SizeOfPredicates, 27 NumberOfNonLiveVariables, 571 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 111/305 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