/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 09:44:33,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 09:44:33,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 09:44:34,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 09:44:34,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 09:44:34,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 09:44:34,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 09:44:34,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-25 09:44:34,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 09:44:34,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 09:44:34,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 09:44:34,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 09:44:34,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 09:44:34,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 09:44:34,079 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 09:44:34,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 09:44:34,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 09:44:34,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 09:44:34,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 09:44:34,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 09:44:34,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 09:44:34,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 09:44:34,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 09:44:34,080 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 09:44:34,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 09:44:34,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 09:44:34,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-25 09:44:34,082 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 09:44:34,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 09:44:34,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 09:44:34,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 09:44:34,261 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 09:44:34,262 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 09:44:34,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-10-25 09:44:34,262 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-10-25 09:44:34,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 09:44:34,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 09:44:34,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 09:44:34,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 09:44:34,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 09:44:34,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 09:44:34,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 09:44:34,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 09:44:34,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 09:44:34,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 09:44:34,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 09:44:34,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 09:44:34,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 09:44:34,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/1) ... [2021-10-25 09:44:34,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 09:44:34,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:34,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-25 09:44:34,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-25 09:44:34,412 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 09:44:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 09:44:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 09:44:34,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 09:44:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 09:44:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 09:44:34,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 09:44:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 09:44:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 09:44:34,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 09:44:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 09:44:34,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 09:44:34,415 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 09:44:34,565 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 09:44:34,565 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 09:44:34,566 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:44:34 BoogieIcfgContainer [2021-10-25 09:44:34,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 09:44:34,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 09:44:34,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 09:44:34,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 09:44:34,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 09:44:34" (1/2) ... [2021-10-25 09:44:34,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdb54d9 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:44:34, skipping insertion in model container [2021-10-25 09:44:34,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:44:34" (2/2) ... [2021-10-25 09:44:34,589 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-10-25 09:44:34,592 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 09:44:34,592 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 09:44:34,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 09:44:34,592 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 09:44:34,647 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-25 09:44:34,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 09:44:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:34,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 09:44:34,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-25 09:44:34,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 09:44:34,698 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 09:44:34,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 09:44:34,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:34,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:34,818 INFO L82 PathProgramCache]: Analyzing trace with hash -363580613, now seen corresponding path program 1 times [2021-10-25 09:44:34,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:34,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486307130] [2021-10-25 09:44:34,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:34,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 09:44:34,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:34,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486307130] [2021-10-25 09:44:34,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486307130] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:44:34,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:44:34,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:44:34,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74267350] [2021-10-25 09:44:34,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-25 09:44:34,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:34,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-25 09:44:34,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-25 09:44:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:34,939 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:34,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:34,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:34,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 09:44:34,967 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:34,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:34,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2007720536, now seen corresponding path program 1 times [2021-10-25 09:44:34,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:34,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974238273] [2021-10-25 09:44:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:34,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:34,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:34,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974238273] [2021-10-25 09:44:34,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974238273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:44:34,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:44:34,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:44:34,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547716735] [2021-10-25 09:44:34,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 09:44:34,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:34,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 09:44:34,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 09:44:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:34,990 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:34,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:34,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 09:44:35,009 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:35,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:35,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1953669031, now seen corresponding path program 1 times [2021-10-25 09:44:35,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:35,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689289899] [2021-10-25 09:44:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:35,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:35,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:35,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689289899] [2021-10-25 09:44:35,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689289899] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:44:35,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:44:35,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-25 09:44:35,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32778414] [2021-10-25 09:44:35,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-25 09:44:35,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:35,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-25 09:44:35,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-25 09:44:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,054 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:35,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:35,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:35,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:35,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 09:44:35,080 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:35,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:35,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1497814325, now seen corresponding path program 1 times [2021-10-25 09:44:35,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:35,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832716754] [2021-10-25 09:44:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:35,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:35,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:35,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832716754] [2021-10-25 09:44:35,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832716754] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 09:44:35,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 09:44:35,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-25 09:44:35,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891297561] [2021-10-25 09:44:35,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-25 09:44:35,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:35,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-25 09:44:35,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-25 09:44:35,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:35,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-25 09:44:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-25 09:44:35,465 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:35,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:35,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1659844066, now seen corresponding path program 1 times [2021-10-25 09:44:35,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:35,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674319842] [2021-10-25 09:44:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:35,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 09:44:35,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:35,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674319842] [2021-10-25 09:44:35,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674319842] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:35,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729466474] [2021-10-25 09:44:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:35,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:35,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:35,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:35,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 09:44:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:35,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-25 09:44:35,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 09:44:35,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729466474] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:35,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:35,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-25 09:44:35,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707016771] [2021-10-25 09:44:35,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-25 09:44:35,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-25 09:44:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-25 09:44:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,738 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:35,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:35,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-25 09:44:36,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:36,004 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:36,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:36,004 INFO L82 PathProgramCache]: Analyzing trace with hash -135506335, now seen corresponding path program 1 times [2021-10-25 09:44:36,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:36,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614011381] [2021-10-25 09:44:36,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:36,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 09:44:36,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:36,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614011381] [2021-10-25 09:44:36,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614011381] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:36,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953005737] [2021-10-25 09:44:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:36,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:36,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:36,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 09:44:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:36,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-25 09:44:36,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:36,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953005737] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:36,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:36,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-10-25 09:44:36,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550081320] [2021-10-25 09:44:36,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-25 09:44:36,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:36,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-25 09:44:36,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-25 09:44:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:36,250 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:36,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:36,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:36,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:44:36,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:36,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:36,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:36,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1222799619, now seen corresponding path program 2 times [2021-10-25 09:44:36,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:36,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634911610] [2021-10-25 09:44:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:36,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 09:44:36,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:36,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634911610] [2021-10-25 09:44:36,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634911610] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:36,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095979100] [2021-10-25 09:44:36,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 09:44:36,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:36,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:36,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 09:44:36,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 09:44:36,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:36,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-25 09:44:36,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 09:44:36,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095979100] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:36,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:36,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-25 09:44:36,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542899820] [2021-10-25 09:44:36,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 09:44:36,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:36,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 09:44:36,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-25 09:44:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:36,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:36,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:44:36,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:44:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:37,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:37,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:37,192 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:37,192 INFO L82 PathProgramCache]: Analyzing trace with hash 2007393641, now seen corresponding path program 3 times [2021-10-25 09:44:37,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:37,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030492372] [2021-10-25 09:44:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:37,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:37,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:37,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030492372] [2021-10-25 09:44:37,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030492372] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:37,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972531661] [2021-10-25 09:44:37,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 09:44:37,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:37,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:37,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:37,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 09:44:37,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-25 09:44:37,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:37,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-25 09:44:37,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:37,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-10-25 09:44:37,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-10-25 09:44:37,950 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-25 09:44:37,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 44 [2021-10-25 09:44:38,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-10-25 09:44:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:38,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972531661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:38,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:38,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-10-25 09:44:38,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252363218] [2021-10-25 09:44:38,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 09:44:38,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:38,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 09:44:38,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2021-10-25 09:44:38,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:38,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:38,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:38,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:38,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:38,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:38,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:38,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:38,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:44:38,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:38,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:39,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-25 09:44:39,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:39,506 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:39,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:39,506 INFO L82 PathProgramCache]: Analyzing trace with hash -245608599, now seen corresponding path program 4 times [2021-10-25 09:44:39,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:39,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114510596] [2021-10-25 09:44:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:39,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 09:44:39,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:39,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114510596] [2021-10-25 09:44:39,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114510596] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:39,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401757991] [2021-10-25 09:44:39,579 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 09:44:39,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:39,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:39,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:39,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 09:44:39,753 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 09:44:39,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:39,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-25 09:44:39,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 09:44:39,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401757991] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:39,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:39,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-25 09:44:39,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815495040] [2021-10-25 09:44:39,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-25 09:44:39,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:39,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-25 09:44:39,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-25 09:44:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:39,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:39,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:39,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-25 09:44:40,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:40,189 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:40,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:40,190 INFO L82 PathProgramCache]: Analyzing trace with hash 364507651, now seen corresponding path program 5 times [2021-10-25 09:44:40,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:40,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951688405] [2021-10-25 09:44:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:40,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 09:44:40,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:40,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951688405] [2021-10-25 09:44:40,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951688405] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:40,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097058626] [2021-10-25 09:44:40,249 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 09:44:40,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:40,250 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:40,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-25 09:44:40,413 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-10-25 09:44:40,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:40,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-25 09:44:40,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 09:44:40,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097058626] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:40,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:40,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2021-10-25 09:44:40,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416811817] [2021-10-25 09:44:40,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-25 09:44:40,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:40,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-25 09:44:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-10-25 09:44:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:40,554 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:40,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:40,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:40,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:40,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:40,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:40,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:41,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:41,140 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:41,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1779465021, now seen corresponding path program 6 times [2021-10-25 09:44:41,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:41,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297237279] [2021-10-25 09:44:41,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:41,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-25 09:44:41,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:41,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297237279] [2021-10-25 09:44:41,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297237279] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:41,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325644654] [2021-10-25 09:44:41,199 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 09:44:41,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:41,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:41,200 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:41,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-25 09:44:41,378 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-10-25 09:44:41,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:41,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 09:44:41,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-25 09:44:41,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325644654] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:41,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:41,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-25 09:44:41,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173725441] [2021-10-25 09:44:41,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 09:44:41,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 09:44:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-10-25 09:44:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:41,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:41,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:41,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:41,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:41,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:41,866 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,SelfDestructingSolverStorable10 [2021-10-25 09:44:41,867 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:41,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:41,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2061862751, now seen corresponding path program 7 times [2021-10-25 09:44:41,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:41,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766889443] [2021-10-25 09:44:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:41,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:42,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:42,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766889443] [2021-10-25 09:44:42,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766889443] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:42,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469651000] [2021-10-25 09:44:42,563 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 09:44:42,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:42,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:42,563 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:42,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-25 09:44:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:42,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-25 09:44:42,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:42,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-10-25 09:44:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:42,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-10-25 09:44:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-10-25 09:44:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-10-25 09:44:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-25 09:44:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:43,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-25 09:44:43,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-25 09:44:43,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 43 [2021-10-25 09:44:44,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-10-25 09:44:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:44,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469651000] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:44,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:44,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-10-25 09:44:44,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309128066] [2021-10-25 09:44:44,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-25 09:44:44,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:44,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-25 09:44:44,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2021-10-25 09:44:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:44,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:44,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:44,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:46,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:46,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:46,659 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:46,659 INFO L82 PathProgramCache]: Analyzing trace with hash 219961087, now seen corresponding path program 8 times [2021-10-25 09:44:46,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:46,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458143992] [2021-10-25 09:44:46,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:46,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 103 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:46,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:46,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458143992] [2021-10-25 09:44:46,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458143992] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:46,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769105495] [2021-10-25 09:44:46,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 09:44:46,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:46,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:46,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:46,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-25 09:44:47,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 09:44:47,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:47,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-25 09:44:47,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 76 proven. 63 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-25 09:44:47,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769105495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:47,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:47,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10] total 30 [2021-10-25 09:44:47,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971443028] [2021-10-25 09:44:47,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-25 09:44:47,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:47,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-25 09:44:47,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=782, Unknown=0, NotChecked=0, Total=930 [2021-10-25 09:44:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:47,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:47,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.4838709677419355) internal successors, (108), 30 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:47,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:47,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:47,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:47,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:47,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:47,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:48,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:49,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-25 09:44:49,024 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:49,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:49,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1292245479, now seen corresponding path program 9 times [2021-10-25 09:44:49,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:49,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013415677] [2021-10-25 09:44:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:49,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 127 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:49,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:49,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013415677] [2021-10-25 09:44:49,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013415677] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:49,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917708820] [2021-10-25 09:44:49,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 09:44:49,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:49,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:49,337 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:49,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-25 09:44:49,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-10-25 09:44:49,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:49,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-25 09:44:49,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-25 09:44:49,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917708820] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:49,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:49,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15] total 33 [2021-10-25 09:44:49,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220881233] [2021-10-25 09:44:49,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-10-25 09:44:49,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:49,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-25 09:44:49,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2021-10-25 09:44:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:49,915 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:49,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0588235294117645) internal successors, (104), 33 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:49,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:51,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:44:51,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:51,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-25 09:44:51,252 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash 585926289, now seen corresponding path program 10 times [2021-10-25 09:44:51,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:51,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291616514] [2021-10-25 09:44:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:51,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 78 proven. 88 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-25 09:44:51,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:51,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291616514] [2021-10-25 09:44:51,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291616514] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:51,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627196443] [2021-10-25 09:44:51,426 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 09:44:51,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:51,429 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:51,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-25 09:44:51,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 09:44:51,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:51,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-25 09:44:51,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 72 proven. 66 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-25 09:44:52,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627196443] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:52,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:52,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 28 [2021-10-25 09:44:52,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879953121] [2021-10-25 09:44:52,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-25 09:44:52,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-25 09:44:52,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=655, Unknown=0, NotChecked=0, Total=812 [2021-10-25 09:44:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:52,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:52,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.0689655172413794) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:44:52,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:44:53,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 09:44:53,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:53,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-25 09:44:53,427 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:53,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:53,428 INFO L82 PathProgramCache]: Analyzing trace with hash 442901453, now seen corresponding path program 11 times [2021-10-25 09:44:53,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:53,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242438141] [2021-10-25 09:44:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:53,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-25 09:44:53,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:53,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242438141] [2021-10-25 09:44:53,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242438141] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:53,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35985497] [2021-10-25 09:44:53,567 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 09:44:53,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:53,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:53,568 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:53,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-25 09:44:53,927 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-10-25 09:44:53,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:53,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-25 09:44:53,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 64 proven. 118 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-25 09:44:54,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35985497] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:54,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:44:54,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 28 [2021-10-25 09:44:54,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961298511] [2021-10-25 09:44:54,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-25 09:44:54,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:44:54,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-25 09:44:54,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2021-10-25 09:44:54,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:54,217 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:44:54,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.793103448275862) internal successors, (110), 28 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 09:44:54,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:44:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:44:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:44:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:44:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:44:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:44:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 09:44:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:44:54,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-25 09:44:55,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-25 09:44:55,060 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:44:55,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:44:55,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1231913917, now seen corresponding path program 12 times [2021-10-25 09:44:55,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:44:55,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344061249] [2021-10-25 09:44:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:44:55,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:44:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:44:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 2 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:44:57,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:44:57,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344061249] [2021-10-25 09:44:57,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344061249] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:44:57,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793994991] [2021-10-25 09:44:57,049 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 09:44:57,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:44:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:44:57,053 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:44:57,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-25 09:44:57,442 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-10-25 09:44:57,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:44:57,444 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 112 conjunts are in the unsatisfiable core [2021-10-25 09:44:57,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:44:57,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-10-25 09:44:57,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-10-25 09:44:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:57,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-10-25 09:44:57,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-10-25 09:44:58,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2021-10-25 09:44:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:44:58,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-10-25 09:44:58,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 82 [2021-10-25 09:44:58,618 INFO L354 Elim1Store]: treesize reduction 168, result has 17.6 percent of original size [2021-10-25 09:44:58,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 98 [2021-10-25 09:44:58,972 INFO L354 Elim1Store]: treesize reduction 220, result has 16.3 percent of original size [2021-10-25 09:44:58,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 95 treesize of output 118 [2021-10-25 09:45:02,408 INFO L354 Elim1Store]: treesize reduction 362, result has 15.2 percent of original size [2021-10-25 09:45:02,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 139 treesize of output 161 [2021-10-25 09:45:04,949 INFO L354 Elim1Store]: treesize reduction 146, result has 38.4 percent of original size [2021-10-25 09:45:04,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 99 treesize of output 151 [2021-10-25 09:45:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 2 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:05,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793994991] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:05,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:05,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 36] total 66 [2021-10-25 09:45:05,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491624396] [2021-10-25 09:45:05,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-10-25 09:45:05,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:05,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-10-25 09:45:05,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=4009, Unknown=0, NotChecked=0, Total=4422 [2021-10-25 09:45:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:05,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:05,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.253731343283582) internal successors, (151), 66 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:14,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:14,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:14,739 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:14,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:14,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1541444911, now seen corresponding path program 13 times [2021-10-25 09:45:14,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:14,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902465268] [2021-10-25 09:45:14,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:14,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 82 proven. 117 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-10-25 09:45:14,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:14,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902465268] [2021-10-25 09:45:14,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902465268] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:14,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342665720] [2021-10-25 09:45:14,967 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 09:45:14,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:14,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:14,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:15,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-25 09:45:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:15,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-25 09:45:15,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 390 proven. 110 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-10-25 09:45:16,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342665720] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:16,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:16,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 42 [2021-10-25 09:45:16,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151619538] [2021-10-25 09:45:16,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-10-25 09:45:16,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:16,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-10-25 09:45:16,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1542, Unknown=0, NotChecked=0, Total=1806 [2021-10-25 09:45:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:16,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:16,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.8372093023255816) internal successors, (122), 42 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:16,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:17,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:17,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-25 09:45:17,358 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:17,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:17,358 INFO L82 PathProgramCache]: Analyzing trace with hash 843403081, now seen corresponding path program 14 times [2021-10-25 09:45:17,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:17,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227607428] [2021-10-25 09:45:17,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:17,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 543 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:18,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:18,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227607428] [2021-10-25 09:45:18,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227607428] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:18,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649389734] [2021-10-25 09:45:18,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 09:45:18,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:18,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:18,081 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:18,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-25 09:45:18,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 09:45:18,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:45:18,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-25 09:45:18,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 226 proven. 353 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-10-25 09:45:19,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649389734] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:19,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:19,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 15] total 56 [2021-10-25 09:45:19,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118891137] [2021-10-25 09:45:19,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-10-25 09:45:19,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:19,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-10-25 09:45:19,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=2727, Unknown=0, NotChecked=0, Total=3192 [2021-10-25 09:45:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:19,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:19,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.263157894736842) internal successors, (186), 56 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:22,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:22,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:22,887 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:22,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:22,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1063620067, now seen corresponding path program 15 times [2021-10-25 09:45:22,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:22,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488790483] [2021-10-25 09:45:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:22,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 587 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:23,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:23,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488790483] [2021-10-25 09:45:23,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488790483] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:23,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048597722] [2021-10-25 09:45:23,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 09:45:23,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:23,584 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:23,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-25 09:45:24,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-10-25 09:45:24,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:45:24,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-25 09:45:24,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 187 proven. 148 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-10-25 09:45:25,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048597722] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:25,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:25,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 27] total 61 [2021-10-25 09:45:25,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068652584] [2021-10-25 09:45:25,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-10-25 09:45:25,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-10-25 09:45:25,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=535, Invalid=3247, Unknown=0, NotChecked=0, Total=3782 [2021-10-25 09:45:25,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:25,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:25,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.629032258064516) internal successors, (163), 61 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:25,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:25,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:28,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:28,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:28,480 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:28,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:28,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2100723143, now seen corresponding path program 16 times [2021-10-25 09:45:28,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:28,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847588109] [2021-10-25 09:45:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:28,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 491 proven. 182 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-10-25 09:45:28,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:28,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847588109] [2021-10-25 09:45:28,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847588109] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:28,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451448566] [2021-10-25 09:45:28,937 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 09:45:28,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:28,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:28,948 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:28,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-25 09:45:29,772 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 09:45:29,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:45:29,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-25 09:45:29,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 476 proven. 182 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-10-25 09:45:30,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451448566] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:30,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:30,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30] total 34 [2021-10-25 09:45:30,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278223792] [2021-10-25 09:45:30,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-10-25 09:45:30,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:30,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-10-25 09:45:30,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=865, Unknown=0, NotChecked=0, Total=1190 [2021-10-25 09:45:30,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:30,058 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:30,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.142857142857143) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:30,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:30,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-10-25 09:45:30,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:30,591 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:30,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:30,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1360164921, now seen corresponding path program 17 times [2021-10-25 09:45:30,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:30,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791748164] [2021-10-25 09:45:30,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:30,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 639 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:31,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:31,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791748164] [2021-10-25 09:45:31,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791748164] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:31,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319929012] [2021-10-25 09:45:31,400 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 09:45:31,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:31,402 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:31,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-25 09:45:32,206 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2021-10-25 09:45:32,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:45:32,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-25 09:45:32,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 459 proven. 272 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-10-25 09:45:33,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319929012] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:33,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:33,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 34] total 83 [2021-10-25 09:45:33,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355752370] [2021-10-25 09:45:33,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2021-10-25 09:45:33,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:33,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-10-25 09:45:33,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=800, Invalid=6172, Unknown=0, NotChecked=0, Total=6972 [2021-10-25 09:45:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:33,212 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:33,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 2.6785714285714284) internal successors, (225), 83 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:35,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:36,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-10-25 09:45:36,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:36,215 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:36,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:36,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1983922899, now seen corresponding path program 18 times [2021-10-25 09:45:36,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:36,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322957421] [2021-10-25 09:45:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:36,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 699 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:37,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:37,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322957421] [2021-10-25 09:45:37,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322957421] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:37,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847701532] [2021-10-25 09:45:37,143 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 09:45:37,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:37,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:37,144 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:37,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-25 09:45:38,015 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-10-25 09:45:38,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:45:38,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-25 09:45:38,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 307 proven. 260 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-10-25 09:45:38,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847701532] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:38,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:38,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 35] total 71 [2021-10-25 09:45:38,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885162842] [2021-10-25 09:45:38,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-10-25 09:45:38,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:38,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-10-25 09:45:38,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=704, Invalid=4408, Unknown=0, NotChecked=0, Total=5112 [2021-10-25 09:45:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:38,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:38,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.4722222222222223) internal successors, (178), 71 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:38,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:38,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:38,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:38,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-25 09:45:42,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:42,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-25 09:45:42,252 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:42,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:42,252 INFO L82 PathProgramCache]: Analyzing trace with hash -134727699, now seen corresponding path program 19 times [2021-10-25 09:45:42,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:42,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570643607] [2021-10-25 09:45:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:42,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 699 proven. 358 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:43,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:43,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570643607] [2021-10-25 09:45:43,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570643607] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:43,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385997370] [2021-10-25 09:45:43,197 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 09:45:43,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:43,198 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:43,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-25 09:45:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:44,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-25 09:45:44,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 307 proven. 291 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-10-25 09:45:44,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385997370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:44,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:44,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 36] total 72 [2021-10-25 09:45:44,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595405922] [2021-10-25 09:45:44,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2021-10-25 09:45:44,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:44,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-10-25 09:45:44,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=4534, Unknown=0, NotChecked=0, Total=5256 [2021-10-25 09:45:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:44,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:44,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 2.4657534246575343) internal successors, (180), 72 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:44,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-10-25 09:45:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-10-25 09:45:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-10-25 09:45:48,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:48,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-25 09:45:48,531 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:48,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1464676171, now seen corresponding path program 20 times [2021-10-25 09:45:48,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:48,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982791289] [2021-10-25 09:45:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:48,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 274 proven. 357 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-10-25 09:45:49,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:49,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982791289] [2021-10-25 09:45:49,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982791289] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:49,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137310791] [2021-10-25 09:45:49,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 09:45:49,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:49,158 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:49,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-25 09:45:50,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 09:45:50,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:45:50,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-25 09:45:50,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:45:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 307 proven. 324 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-10-25 09:45:50,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137310791] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:50,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 09:45:50,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 38 [2021-10-25 09:45:50,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674809951] [2021-10-25 09:45:50,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-10-25 09:45:50,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 09:45:50,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-10-25 09:45:50,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2021-10-25 09:45:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:50,533 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 09:45:50,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.4615384615384617) internal successors, (96), 38 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 09:45:50,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:50,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:50,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:50,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:50,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:50,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-10-25 09:45:50,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-10-25 09:45:50,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-25 09:45:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-10-25 09:45:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-10-25 09:45:51,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-25 09:45:51,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-25 09:45:51,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:51,914 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 09:45:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 09:45:51,914 INFO L82 PathProgramCache]: Analyzing trace with hash 893503273, now seen corresponding path program 21 times [2021-10-25 09:45:51,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 09:45:51,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758816949] [2021-10-25 09:45:51,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 09:45:51,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 09:45:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 09:45:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 6 proven. 1119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 09:45:58,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 09:45:58,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758816949] [2021-10-25 09:45:58,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758816949] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 09:45:58,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636193148] [2021-10-25 09:45:58,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 09:45:58,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:45:58,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 09:45:58,917 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 09:45:58,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-25 09:46:00,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-10-25 09:46:00,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 09:46:00,061 WARN L261 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 226 conjunts are in the unsatisfiable core [2021-10-25 09:46:00,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 09:46:00,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-10-25 09:46:00,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-10-25 09:46:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-10-25 09:46:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-10-25 09:46:00,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-10-25 09:46:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:00,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-10-25 09:46:01,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-10-25 09:46:01,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-10-25 09:46:01,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-10-25 09:46:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,072 INFO L354 Elim1Store]: treesize reduction 264, result has 19.0 percent of original size [2021-10-25 09:46:02,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 128 treesize of output 154 [2021-10-25 09:46:02,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,492 INFO L354 Elim1Store]: treesize reduction 400, result has 14.7 percent of original size [2021-10-25 09:46:02,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 141 treesize of output 170 [2021-10-25 09:46:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:02,992 INFO L354 Elim1Store]: treesize reduction 548, result has 12.2 percent of original size [2021-10-25 09:46:02,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 30 case distinctions, treesize of input 154 treesize of output 186 [2021-10-25 09:46:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,529 INFO L354 Elim1Store]: treesize reduction 708, result has 10.5 percent of original size [2021-10-25 09:46:03,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 42 case distinctions, treesize of input 167 treesize of output 202 [2021-10-25 09:46:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,061 INFO L354 Elim1Store]: treesize reduction 880, result has 9.3 percent of original size [2021-10-25 09:46:04,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 55 case distinctions, treesize of input 180 treesize of output 218 [2021-10-25 09:46:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:04,675 INFO L354 Elim1Store]: treesize reduction 1064, result has 8.4 percent of original size [2021-10-25 09:46:04,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 36 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 69 case distinctions, treesize of input 193 treesize of output 234 [2021-10-25 09:46:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,431 INFO L354 Elim1Store]: treesize reduction 1260, result has 7.6 percent of original size [2021-10-25 09:46:05,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 36 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 84 case distinctions, treesize of input 206 treesize of output 250 [2021-10-25 09:46:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:06,357 INFO L354 Elim1Store]: treesize reduction 1468, result has 7.0 percent of original size [2021-10-25 09:46:06,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 36 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 100 case distinctions, treesize of input 219 treesize of output 266 [2021-10-25 09:46:07,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-25 09:46:07,821 INFO L354 Elim1Store]: treesize reduction 1586, result has 6.9 percent of original size [2021-10-25 09:46:07,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 117 case distinctions, treesize of input 236 treesize of output 286 [2021-10-25 09:46:35,796 WARN L207 SmtUtils]: Spent 15.96 s on a formula simplification. DAG size of input: 1668 DAG size of output: 936 [2021-10-25 09:46:35,810 INFO L354 Elim1Store]: treesize reduction 2368, result has 44.9 percent of original size [2021-10-25 09:46:35,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 36 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 399 case distinctions, treesize of input 290 treesize of output 2106 Received shutdown request... [2021-10-25 09:58:58,219 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 [2021-10-25 09:58:58,219 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 09:58:58,226 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-10-25 09:58:58,227 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 09:58:58,228 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 09:58:58,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-25 09:58:58,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 09:58:58,444 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 143 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 69ms.. [2021-10-25 09:58:58,445 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 09:58:58,445 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 09:58:58,445 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 09:58:58,450 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 09:58:58,451 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 09:58:58,452 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:58:58 BasicIcfg [2021-10-25 09:58:58,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 09:58:58,452 INFO L168 Benchmark]: Toolchain (without parser) took 864162.83 ms. Allocated memory was 202.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 163.0 MB in the beginning and 736.1 MB in the end (delta: -573.1 MB). Peak memory consumption was 961.1 MB. Max. memory is 8.0 GB. [2021-10-25 09:58:58,452 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 202.4 MB. Free memory is still 164.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 09:58:58,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.30 ms. Allocated memory is still 202.4 MB. Free memory was 163.0 MB in the beginning and 161.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 09:58:58,453 INFO L168 Benchmark]: Boogie Preprocessor took 10.82 ms. Allocated memory is still 202.4 MB. Free memory was 161.5 MB in the beginning and 160.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 09:58:58,453 INFO L168 Benchmark]: RCFGBuilder took 241.34 ms. Allocated memory is still 202.4 MB. Free memory was 160.5 MB in the beginning and 147.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-25 09:58:58,453 INFO L168 Benchmark]: TraceAbstraction took 863884.12 ms. Allocated memory was 202.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 146.7 MB in the beginning and 736.1 MB in the end (delta: -589.4 MB). Peak memory consumption was 945.4 MB. Max. memory is 8.0 GB. [2021-10-25 09:58:58,454 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 0.10 ms. Allocated memory is still 202.4 MB. Free memory is still 164.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.30 ms. Allocated memory is still 202.4 MB. Free memory was 163.0 MB in the beginning and 161.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.82 ms. Allocated memory is still 202.4 MB. Free memory was 161.5 MB in the beginning and 160.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 241.34 ms. Allocated memory is still 202.4 MB. Free memory was 160.5 MB in the beginning and 147.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 863884.12 ms. Allocated memory was 202.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 146.7 MB in the beginning and 736.1 MB in the end (delta: -589.4 MB). Peak memory consumption was 945.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25226, positive: 18858, positive conditional: 18493, positive unconditional: 365, negative: 6368, negative conditional: 6364, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18916, positive: 18858, positive conditional: 0, positive unconditional: 18858, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 330, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 330, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18916, positive: 18533, positive conditional: 0, positive unconditional: 18533, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , Statistics on independence cache: Total cache size (in pairs): 330, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Independence queries for same thread: 6310 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 100, Number of persistent set computation: 57, Number of trivial persistent sets: 40, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25226, positive: 18858, positive conditional: 18493, positive unconditional: 365, negative: 6368, negative conditional: 6364, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18916, positive: 18858, positive conditional: 0, positive unconditional: 18858, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 330, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 330, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18916, positive: 18533, positive conditional: 0, positive unconditional: 18533, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , Statistics on independence cache: Total cache size (in pairs): 330, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Independence queries for same thread: 6310 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 143 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 69ms.. - TimeoutResultAtElement [Line: 61]: 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 143 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 69ms.. - TimeoutResultAtElement [Line: 62]: 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 143 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 69ms.. - TimeoutResultAtElement [Line: 61]: 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 143 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 69ms.. - 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: 863776.3ms, OverallIterations: 26, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 35218.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 940, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 179.2ms SsaConstructionTime, 939.7ms SatisfiabilityAnalysisTime, 27652.2ms InterpolantComputationTime, 3340 NumberOfCodeBlocks, 3326 NumberOfCodeBlocksAsserted, 136 NumberOfCheckSat, 3294 ConstructedInterpolants, 47 QuantifiedInterpolants, 34729 SizeOfPredicates, 49 NumberOfNonLiveVariables, 4082 ConjunctsInSsa, 566 ConjunctsInUnsatCore, 46 InterpolantComputations, 4 PerfectInterpolantSequences, 11496/16892 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