/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 07:11:32,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 07:11:32,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 07:11:32,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-11 07:11:32,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 07:11:32,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 07:11:32,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 07:11:32,813 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-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 07:11:32,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 07:11:32,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 07:11:32,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 07:11:32,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 07:11:32,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 07:11:32,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 07:11:32,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 07:11:32,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 07:11:32,838 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 07:11:32,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 07:11:32,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 07:11:32,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 07:11:32,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 07:11:32,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 07:11:32,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 07:11:33,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 07:11:33,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 07:11:33,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 07:11:33,019 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-11 07:11:33,025 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-11 07:11:33,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2022-02-11 07:11:33,026 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2022-02-11 07:11:33,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 07:11:33,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-11 07:11:33,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 07:11:33,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 07:11:33,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 07:11:33,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,070 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-11 07:11:33,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 07:11:33,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 07:11:33,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 07:11:33,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 07:11:33,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 07:11:33,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 07:11:33,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 07:11:33,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 07:11:33,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/1) ... [2022-02-11 07:11:33,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 07:11:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:33,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 07:11:33,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 07:11:33,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-11 07:11:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 07:11:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 07:11:33,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-11 07:11:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 07:11:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 07:11:33,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-11 07:11:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 07:11:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 07:11:33,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-11 07:11:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 07:11:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 07:11:33,139 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 07:11:33,188 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 07:11:33,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 07:11:33,256 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 07:11:33,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 07:11:33,266 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 07:11:33,268 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 07:11:33 BoogieIcfgContainer [2022-02-11 07:11:33,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 07:11:33,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 07:11:33,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 07:11:33,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 07:11:33,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 07:11:33" (1/2) ... [2022-02-11 07:11:33,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d47db1 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 07:11:33, skipping insertion in model container [2022-02-11 07:11:33,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 07:11:33" (2/2) ... [2022-02-11 07:11:33,289 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2022-02-11 07:11:33,293 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 07:11:33,293 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 07:11:33,293 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 07:11:33,293 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 07:11:33,317 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 07:11:33,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 07:11:33,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:33,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 07:11:33,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 07:11:33,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 07:11:33,462 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 07:11:33,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 07:11:33,602 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:33,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:33,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1635012662, now seen corresponding path program 1 times [2022-02-11 07:11:33,611 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:33,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937579062] [2022-02-11 07:11:33,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:33,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:33,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:33,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937579062] [2022-02-11 07:11:33,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937579062] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:11:33,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:11:33,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 07:11:33,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609511444] [2022-02-11 07:11:33,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:11:33,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 07:11:33,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:33,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 07:11:33,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-11 07:11:33,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:33,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:33,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:33,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:33,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 07:11:33,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash -3323756, now seen corresponding path program 1 times [2022-02-11 07:11:33,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:33,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830487728] [2022-02-11 07:11:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:33,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:33,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:33,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830487728] [2022-02-11 07:11:33,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830487728] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 07:11:33,895 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 07:11:33,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 07:11:33,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330719241] [2022-02-11 07:11:33,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 07:11:33,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 07:11:33,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:33,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 07:11:33,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 07:11:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:33,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:33,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:33,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:33,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:33,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 07:11:33,941 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:33,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1225896178, now seen corresponding path program 1 times [2022-02-11 07:11:33,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:33,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320155631] [2022-02-11 07:11:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:34,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:34,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320155631] [2022-02-11 07:11:34,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320155631] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:34,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261287500] [2022-02-11 07:11:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:34,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:34,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:34,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:34,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 07:11:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:34,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-11 07:11:34,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:34,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:34,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 07:11:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:34,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:34,651 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 07:11:34,652 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2022-02-11 07:11:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:34,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261287500] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:11:34,799 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:11:34,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-11 07:11:34,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485743251] [2022-02-11 07:11:34,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:11:34,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-11 07:11:34,801 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-11 07:11:34,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-02-11 07:11:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:34,804 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:34,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:34,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:34,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:34,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 07:11:35,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-11 07:11:35,180 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:35,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:35,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1487189424, now seen corresponding path program 2 times [2022-02-11 07:11:35,181 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:35,181 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989193669] [2022-02-11 07:11:35,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:35,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:35,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989193669] [2022-02-11 07:11:35,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989193669] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:35,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840294572] [2022-02-11 07:11:35,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 07:11:35,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:35,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:35,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:35,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 07:11:35,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 07:11:35,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:11:35,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 07:11:35,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:35,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:35,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:35,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840294572] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:11:35,432 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:11:35,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-11 07:11:35,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530322732] [2022-02-11 07:11:35,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:11:35,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-11 07:11:35,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:35,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-11 07:11:35,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-11 07:11:35,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:35,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:35,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 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) [2022-02-11 07:11:35,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:35,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:35,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:35,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:35,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 07:11:35,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:35,883 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:35,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:35,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1209890412, now seen corresponding path program 1 times [2022-02-11 07:11:35,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:35,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843088494] [2022-02-11 07:11:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:35,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:35,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:35,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843088494] [2022-02-11 07:11:35,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843088494] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:35,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639605649] [2022-02-11 07:11:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:35,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:35,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:35,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:35,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 07:11:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:35,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 07:11:35,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:36,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:36,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639605649] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:11:36,193 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:11:36,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-11 07:11:36,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068112785] [2022-02-11 07:11:36,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:11:36,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-11 07:11:36,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:36,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-11 07:11:36,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-11 07:11:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:36,196 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:36,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:36,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:36,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:36,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:36,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:36,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:36,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 07:11:36,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:36,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:36,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:36,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2124471182, now seen corresponding path program 2 times [2022-02-11 07:11:36,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:36,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804834865] [2022-02-11 07:11:36,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:36,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:36,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:36,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804834865] [2022-02-11 07:11:36,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804834865] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:36,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869376736] [2022-02-11 07:11:36,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 07:11:36,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:36,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:36,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:36,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 07:11:36,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 07:11:36,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:11:36,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-11 07:11:36,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:11:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:11:37,513 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 07:11:37,513 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2022-02-11 07:11:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:37,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:38,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:38,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:38,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:38,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:38,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:38,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:38,178 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 07:11:38,182 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 58 treesize of output 111 [2022-02-11 07:11:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:39,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869376736] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:11:39,010 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:11:39,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 14] total 35 [2022-02-11 07:11:39,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649519970] [2022-02-11 07:11:39,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:11:39,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-11 07:11:39,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:39,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-11 07:11:39,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1031, Unknown=0, NotChecked=0, Total=1190 [2022-02-11 07:11:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:39,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:39,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.0285714285714285) internal successors, (71), 35 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:41,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:11:41,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 07:11:41,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:41,404 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:41,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2002506986, now seen corresponding path program 3 times [2022-02-11 07:11:41,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:41,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134167870] [2022-02-11 07:11:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:41,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:41,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134167870] [2022-02-11 07:11:41,511 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134167870] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:41,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547098833] [2022-02-11 07:11:41,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 07:11:41,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:41,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:41,513 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:41,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 07:11:41,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-11 07:11:41,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:11:41,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-11 07:11:41,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-11 07:11:41,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-11 07:11:41,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547098833] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:11:41,986 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:11:41,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2022-02-11 07:11:41,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810580060] [2022-02-11 07:11:41,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:11:41,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-11 07:11:41,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:41,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-11 07:11:41,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2022-02-11 07:11:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:41,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:41,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.5) internal successors, (80), 32 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:11:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:11:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 07:11:43,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 07:11:43,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:43,350 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash 443674324, now seen corresponding path program 4 times [2022-02-11 07:11:43,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:43,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433716296] [2022-02-11 07:11:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:43,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:43,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433716296] [2022-02-11 07:11:43,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433716296] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:43,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215399767] [2022-02-11 07:11:43,504 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 07:11:43,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:43,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:43,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:43,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 07:11:43,538 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 07:11:43,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:11:43,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-11 07:11:43,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:43,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 07:11:43,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215399767] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:11:43,954 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:11:43,954 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 34 [2022-02-11 07:11:43,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366277190] [2022-02-11 07:11:43,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:11:43,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-11 07:11:43,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:11:43,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-11 07:11:43,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=772, Unknown=0, NotChecked=0, Total=1122 [2022-02-11 07:11:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:43,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:11:43,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.588235294117647) internal successors, (88), 34 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:11:43,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:43,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:43,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:43,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:43,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:43,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:11:43,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 07:11:43,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:11:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 07:11:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 07:11:44,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 07:11:44,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:44,435 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:11:44,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:11:44,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1044541106, now seen corresponding path program 5 times [2022-02-11 07:11:44,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:11:44,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823641499] [2022-02-11 07:11:44,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:11:44,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:11:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:11:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:45,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:11:45,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823641499] [2022-02-11 07:11:45,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823641499] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:11:45,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741496431] [2022-02-11 07:11:45,477 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 07:11:45,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:11:45,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:11:45,478 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:11:45,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 07:11:45,514 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-11 07:11:45,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:11:45,515 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-11 07:11:45,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:11:46,877 INFO L353 Elim1Store]: treesize reduction 286, result has 1.0 percent of original size [2022-02-11 07:11:46,877 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 197 treesize of output 120 [2022-02-11 07:11:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:11:46,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:11:48,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:48,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:11:49,658 INFO L353 Elim1Store]: treesize reduction 418, result has 62.4 percent of original size [2022-02-11 07:11:49,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 21 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 99 case distinctions, treesize of input 81 treesize of output 716 [2022-02-11 07:15:02,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:02,224 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 07:15:02,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 104 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 16 case distinctions, treesize of input 80 treesize of output 203 [2022-02-11 07:15:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:15:02,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741496431] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 07:15:02,969 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 07:15:02,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22, 22] total 63 [2022-02-11 07:15:02,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798112350] [2022-02-11 07:15:02,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 07:15:02,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-11 07:15:02,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 07:15:02,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-11 07:15:02,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=3672, Unknown=0, NotChecked=0, Total=3906 [2022-02-11 07:15:02,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:15:02,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 07:15:02,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.0634920634920637) internal successors, (130), 63 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-11 07:15:02,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 07:15:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 07:15:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-02-11 07:15:22,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 07:15:22,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-11 07:15:22,233 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 07:15:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 07:15:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1624566030, now seen corresponding path program 6 times [2022-02-11 07:15:22,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 07:15:22,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661496292] [2022-02-11 07:15:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 07:15:22,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 07:15:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 07:15:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 20 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:15:23,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 07:15:23,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661496292] [2022-02-11 07:15:23,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661496292] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 07:15:23,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739272245] [2022-02-11 07:15:23,327 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 07:15:23,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 07:15:23,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 07:15:23,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 07:15:23,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 07:15:23,373 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-02-11 07:15:23,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 07:15:23,374 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-11 07:15:23,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 07:15:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 07:15:25,610 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 07:15:25,611 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 22 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 44 case distinctions, treesize of input 73 treesize of output 433 [2022-02-11 07:15:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 07:15:43,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 07:15:56,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:56,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:56,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:56,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:56,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:15:56,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 07:16:01,320 INFO L353 Elim1Store]: treesize reduction 478, result has 70.3 percent of original size [2022-02-11 07:16:01,321 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 6 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 147 case distinctions, treesize of input 174 treesize of output 1179 Received shutdown request... [2022-02-11 07:25:44,918 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 07:25:44,922 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 07:25:44,924 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 07:25:44,945 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-11 07:25:44,946 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-11 07:25:44,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 07:25:45,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-11 07:25:45,147 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 32ms.. [2022-02-11 07:25:45,149 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 07:25:45,149 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 07:25:45,149 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 07:25:45,153 INFO L733 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1] [2022-02-11 07:25:45,154 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 07:25:45,154 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 07:25:45,155 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 07:25:45 BasicIcfg [2022-02-11 07:25:45,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 07:25:45,185 INFO L158 Benchmark]: Toolchain (without parser) took 852108.78ms. Allocated memory was 218.1MB in the beginning and 631.2MB in the end (delta: 413.1MB). Free memory was 175.2MB in the beginning and 206.4MB in the end (delta: -31.2MB). Peak memory consumption was 390.9MB. Max. memory is 8.0GB. [2022-02-11 07:25:45,186 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 218.1MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 07:25:45,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.96ms. Allocated memory is still 218.1MB. Free memory was 175.2MB in the beginning and 173.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 07:25:45,186 INFO L158 Benchmark]: Boogie Preprocessor took 13.78ms. Allocated memory is still 218.1MB. Free memory was 173.7MB in the beginning and 172.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 07:25:45,186 INFO L158 Benchmark]: RCFGBuilder took 181.52ms. Allocated memory is still 218.1MB. Free memory was 172.6MB in the beginning and 163.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-11 07:25:45,187 INFO L158 Benchmark]: TraceAbstraction took 851886.56ms. Allocated memory was 218.1MB in the beginning and 631.2MB in the end (delta: 413.1MB). Free memory was 162.8MB in the beginning and 206.4MB in the end (delta: -43.6MB). Peak memory consumption was 378.3MB. Max. memory is 8.0GB. [2022-02-11 07:25:45,187 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 0.10ms. Allocated memory is still 218.1MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.96ms. Allocated memory is still 218.1MB. Free memory was 175.2MB in the beginning and 173.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.78ms. Allocated memory is still 218.1MB. Free memory was 173.7MB in the beginning and 172.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 181.52ms. Allocated memory is still 218.1MB. Free memory was 172.6MB in the beginning and 163.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 851886.56ms. Allocated memory was 218.1MB in the beginning and 631.2MB in the end (delta: 413.1MB). Free memory was 162.8MB in the beginning and 206.4MB in the end (delta: -43.6MB). Peak memory consumption was 378.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2537, positive: 2125, positive conditional: 1806, positive unconditional: 319, negative: 412, negative conditional: 412, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1806, positive unconditional: 319, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1806, positive unconditional: 319, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1747, positive unconditional: 378, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1621, positive unconditional: 504, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1621, positive unconditional: 504, 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: 307, positive: 307, positive conditional: 0, positive unconditional: 307, 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: 307, positive: 305, positive conditional: 0, positive unconditional: 305, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2125, positive: 1818, positive conditional: 1621, positive unconditional: 197, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 307, unknown conditional: 0, unknown unconditional: 307] , Statistics on independence cache: Total cache size (in pairs): 307, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 126, Maximal queried relation: 0, Independence queries for same thread: 412 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 21, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319, positive: 319, positive conditional: 0, positive unconditional: 319, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2537, positive: 2125, positive conditional: 1806, positive unconditional: 319, negative: 412, negative conditional: 412, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1806, positive unconditional: 319, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1806, positive unconditional: 319, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1747, positive unconditional: 378, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1621, positive unconditional: 504, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2125, positive: 2125, positive conditional: 1621, positive unconditional: 504, 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: 307, positive: 307, positive conditional: 0, positive unconditional: 307, 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: 307, positive: 305, positive conditional: 0, positive unconditional: 305, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2125, positive: 1818, positive conditional: 1621, positive unconditional: 197, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 307, unknown conditional: 0, unknown unconditional: 307] , Statistics on independence cache: Total cache size (in pairs): 307, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 126, Maximal queried relation: 0, Independence queries for same thread: 412 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 32ms.. - 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 55 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 32ms.. - 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 55 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 32ms.. - 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 55 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 32ms.. - 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: 851.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 23.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 291, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 203.3s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 735 ConstructedInterpolants, 16 QuantifiedInterpolants, 14659 SizeOfPredicates, 68 NumberOfNonLiveVariables, 621 ConjunctsInSsa, 172 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 247/892 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