/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 00:40:10,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 00:40:10,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 00:40:10,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 00:40:10,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 00:40:10,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 00:40:10,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 00:40:10,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 00:40:10,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 00:40:10,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 00:40:10,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 00:40:10,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 00:40:10,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 00:40:11,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 00:40:11,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 00:40:11,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 00:40:11,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 00:40:11,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-17 00:40:11,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 00:40:11,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 00:40:11,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 00:40:11,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 00:40:11,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 00:40:11,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 00:40:11,065 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 00:40:11,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 00:40:11,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 00:40:11,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 00:40:11,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 00:40:11,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 00:40:11,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 00:40:11,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 00:40:11,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 00:40:11,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 00:40:11,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 00:40:11,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 00:40:11,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 00:40:11,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 00:40:11,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 00:40:11,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 00:40:11,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 00:40:11,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 00:40:11,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 00:40:11,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 00:40:11,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 00:40:11,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 00:40:11,070 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 00:40:11,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 00:40:11,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 00:40:11,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 00:40:11,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 00:40:11,071 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-17 00:40:11,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 00:40:11,071 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 00:40:11,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 00:40:11,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 00:40:11,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 00:40:11,452 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 00:40:11,453 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 00:40:11,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2021-06-17 00:40:11,454 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2021-06-17 00:40:11,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 00:40:11,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 00:40:11,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 00:40:11,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 00:40:11,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 00:40:11,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 00:40:11,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 00:40:11,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 00:40:11,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 00:40:11,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... [2021-06-17 00:40:11,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 00:40:11,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 00:40:11,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 00:40:11,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 00:40:11,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 00:40:11,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 00:40:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 00:40:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 00:40:11,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 00:40:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 00:40:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 00:40:11,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 00:40:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 00:40:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 00:40:11,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 00:40:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 00:40:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 00:40:11,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-17 00:40:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-17 00:40:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-17 00:40:11,629 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 00:40:11,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 00:40:11,933 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 00:40:11,934 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:40:11 BoogieIcfgContainer [2021-06-17 00:40:11,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 00:40:11,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 00:40:11,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 00:40:11,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 00:40:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:40:11" (1/2) ... [2021-06-17 00:40:11,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6242078a and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:40:11, skipping insertion in model container [2021-06-17 00:40:11,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:40:11" (2/2) ... [2021-06-17 00:40:11,941 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2021-06-17 00:40:11,947 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 00:40:11,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 00:40:11,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 00:40:11,948 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 00:40:12,024 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-17 00:40:12,043 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 00:40:12,109 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 00:40:12,109 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 00:40:12,109 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 00:40:12,109 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 00:40:12,109 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 00:40:12,109 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 00:40:12,109 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 00:40:12,110 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 00:40:12,152 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:12,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:12,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2109859141, now seen corresponding path program 1 times [2021-06-17 00:40:12,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:12,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471617759] [2021-06-17 00:40:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:12,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:12,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471617759] [2021-06-17 00:40:12,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471617759] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:12,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:40:12,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 00:40:12,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521993699] [2021-06-17 00:40:12,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 00:40:12,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:12,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 00:40:12,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 00:40:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:12,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 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) [2021-06-17 00:40:12,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 00:40:12,370 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:12,370 INFO L82 PathProgramCache]: Analyzing trace with hash 287286325, now seen corresponding path program 1 times [2021-06-17 00:40:12,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:12,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619580972] [2021-06-17 00:40:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:12,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:12,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619580972] [2021-06-17 00:40:12,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619580972] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:12,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:40:12,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:40:12,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845188067] [2021-06-17 00:40:12,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 00:40:12,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:12,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 00:40:12,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-17 00:40:12,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:12,436 INFO L483 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) [2021-06-17 00:40:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 00:40:12,510 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:12,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:12,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1175775641, now seen corresponding path program 1 times [2021-06-17 00:40:12,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:12,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011525583] [2021-06-17 00:40:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:12,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:12,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011525583] [2021-06-17 00:40:12,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011525583] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:12,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:40:12,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:40:12,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744350263] [2021-06-17 00:40:12,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 00:40:12,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:12,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 00:40:12,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-17 00:40:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:12,549 INFO L483 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) [2021-06-17 00:40:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 00:40:12,697 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:12,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:12,698 INFO L82 PathProgramCache]: Analyzing trace with hash -558755205, now seen corresponding path program 1 times [2021-06-17 00:40:12,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:12,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913330705] [2021-06-17 00:40:12,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 00:40:12,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:12,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913330705] [2021-06-17 00:40:12,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913330705] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:12,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:40:12,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:40:12,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945233758] [2021-06-17 00:40:12,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 00:40:12,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:12,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 00:40:12,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 00:40:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:12,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-06-17 00:40:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:12,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 00:40:12,869 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:12,869 INFO L82 PathProgramCache]: Analyzing trace with hash 834761890, now seen corresponding path program 1 times [2021-06-17 00:40:12,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:12,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887220895] [2021-06-17 00:40:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 00:40:12,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:12,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887220895] [2021-06-17 00:40:12,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887220895] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:12,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:40:12,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:40:12,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425633064] [2021-06-17 00:40:12,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 00:40:12,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:12,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 00:40:12,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 00:40:12,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:12,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:12,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-06-17 00:40:12,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:12,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:12,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:12,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-17 00:40:13,068 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:13,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:13,069 INFO L82 PathProgramCache]: Analyzing trace with hash 994382804, now seen corresponding path program 1 times [2021-06-17 00:40:13,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:13,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597885267] [2021-06-17 00:40:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 00:40:13,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:13,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597885267] [2021-06-17 00:40:13,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597885267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:13,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624106847] [2021-06-17 00:40:13,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:13,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 00:40:13,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 00:40:13,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624106847] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:13,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 00:40:13,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-06-17 00:40:13,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633670691] [2021-06-17 00:40:13,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 00:40:13,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:13,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 00:40:13,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-17 00:40:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:13,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:13,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-06-17 00:40:13,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:13,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:13,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:13,596 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:13,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:13,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1877833626, now seen corresponding path program 1 times [2021-06-17 00:40:13,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:13,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288761250] [2021-06-17 00:40:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 00:40:13,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:13,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288761250] [2021-06-17 00:40:13,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288761250] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:13,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:40:13,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:40:13,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720400652] [2021-06-17 00:40:13,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 00:40:13,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:13,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 00:40:13,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 00:40:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:13,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:13,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-06-17 00:40:13,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:13,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:13,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-17 00:40:13,708 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:13,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:13,712 INFO L82 PathProgramCache]: Analyzing trace with hash 484061454, now seen corresponding path program 1 times [2021-06-17 00:40:13,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:13,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851857706] [2021-06-17 00:40:13,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:13,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:13,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851857706] [2021-06-17 00:40:13,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851857706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:13,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90713100] [2021-06-17 00:40:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:14,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 00:40:14,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:14,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 00:40:14,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:14,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:14,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:14,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2021-06-17 00:40:14,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 00:40:14,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:14,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:14,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:14,269 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2021-06-17 00:40:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:14,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90713100] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:14,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:14,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-17 00:40:14,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885300248] [2021-06-17 00:40:14,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 00:40:14,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:14,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 00:40:14,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-17 00:40:14,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:14,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:14,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.181818181818182) 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) [2021-06-17 00:40:14,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:14,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:14,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:14,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:14,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:14,741 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:14,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:14,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1803442864, now seen corresponding path program 2 times [2021-06-17 00:40:14,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:14,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933417482] [2021-06-17 00:40:14,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 00:40:14,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:14,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933417482] [2021-06-17 00:40:14,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933417482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:14,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268516137] [2021-06-17 00:40:14,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:14,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 00:40:14,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:14,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 00:40:14,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 00:40:14,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268516137] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:14,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:14,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-06-17 00:40:14,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817339571] [2021-06-17 00:40:14,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:40:14,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:14,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:40:14,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:40:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:14,941 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:14,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:14,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:15,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:15,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:15,249 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:15,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:15,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1658531216, now seen corresponding path program 3 times [2021-06-17 00:40:15,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:15,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056058649] [2021-06-17 00:40:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 00:40:15,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:15,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056058649] [2021-06-17 00:40:15,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056058649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:15,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8270930] [2021-06-17 00:40:15,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:15,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 00:40:15,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:15,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 00:40:15,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 00:40:15,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8270930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:15,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:15,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-06-17 00:40:15,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681707355] [2021-06-17 00:40:15,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:40:15,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:15,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:40:15,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:40:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:15,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:15,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:15,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:15,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-17 00:40:15,789 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:15,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:15,789 INFO L82 PathProgramCache]: Analyzing trace with hash 251140386, now seen corresponding path program 4 times [2021-06-17 00:40:15,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:15,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626173894] [2021-06-17 00:40:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 00:40:15,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:15,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626173894] [2021-06-17 00:40:15,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626173894] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:15,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407955026] [2021-06-17 00:40:15,829 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:15,883 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 00:40:15,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:15,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 00:40:15,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 00:40:15,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407955026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:15,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:15,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-17 00:40:15,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603941984] [2021-06-17 00:40:15,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 00:40:15,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:15,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 00:40:15,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-17 00:40:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:15,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:15,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 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) [2021-06-17 00:40:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:15,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:16,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:16,561 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:16,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:16,562 INFO L82 PathProgramCache]: Analyzing trace with hash -458594835, now seen corresponding path program 5 times [2021-06-17 00:40:16,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:16,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730753369] [2021-06-17 00:40:16,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-17 00:40:16,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:16,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730753369] [2021-06-17 00:40:16,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730753369] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:16,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984373045] [2021-06-17 00:40:16,634 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:16,677 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 00:40:16,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:16,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 00:40:16,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-17 00:40:16,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984373045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:16,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:16,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-17 00:40:16,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327358583] [2021-06-17 00:40:16,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 00:40:16,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:16,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 00:40:16,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-17 00:40:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:16,780 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:16,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:40:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:16,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:16,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:17,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:17,281 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:17,281 INFO L82 PathProgramCache]: Analyzing trace with hash -881920085, now seen corresponding path program 6 times [2021-06-17 00:40:17,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:17,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322134273] [2021-06-17 00:40:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:17,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:17,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322134273] [2021-06-17 00:40:17,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322134273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:17,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320050335] [2021-06-17 00:40:17,314 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:17,357 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 00:40:17,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:17,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 00:40:17,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:17,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320050335] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:40:17,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 00:40:17,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-06-17 00:40:17,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721496136] [2021-06-17 00:40:17,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 00:40:17,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:17,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 00:40:17,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-17 00:40:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:17,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:17,428 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-06-17 00:40:17,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:17,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:17,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:17,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-17 00:40:17,694 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:17,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:17,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1714913301, now seen corresponding path program 7 times [2021-06-17 00:40:17,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:17,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21574421] [2021-06-17 00:40:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 00:40:17,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:17,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21574421] [2021-06-17 00:40:17,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21574421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:17,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546660892] [2021-06-17 00:40:17,737 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:17,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 00:40:17,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 00:40:17,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546660892] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:17,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:17,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-17 00:40:17,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282899042] [2021-06-17 00:40:17,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 00:40:17,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:17,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 00:40:17,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-17 00:40:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:17,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:17,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:40:17,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:17,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:17,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:18,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:18,189 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:18,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:18,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1894272787, now seen corresponding path program 8 times [2021-06-17 00:40:18,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:18,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522607423] [2021-06-17 00:40:18,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:18,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:18,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522607423] [2021-06-17 00:40:18,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522607423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:18,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942079694] [2021-06-17 00:40:18,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:18,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 00:40:18,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:18,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-17 00:40:18,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:19,041 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 37 treesize of output 29 [2021-06-17 00:40:19,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:19,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:19,052 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:19,052 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:26 [2021-06-17 00:40:19,190 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-17 00:40:19,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 22 [2021-06-17 00:40:19,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:19,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:19,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:19,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:12 [2021-06-17 00:40:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:19,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942079694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:19,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:19,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-06-17 00:40:19,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468476639] [2021-06-17 00:40:19,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 00:40:19,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:19,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 00:40:19,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2021-06-17 00:40:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:19,265 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:19,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.56) internal successors, (64), 24 states have internal predecessors, (64), 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) [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:19,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:19,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:19,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:19,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:21,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 00:40:21,037 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:21,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:21,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1834920303, now seen corresponding path program 9 times [2021-06-17 00:40:21,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:21,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804071411] [2021-06-17 00:40:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 00:40:21,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:21,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804071411] [2021-06-17 00:40:21,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804071411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:21,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657655125] [2021-06-17 00:40:21,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:21,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 00:40:21,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:21,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 00:40:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 00:40:21,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657655125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:21,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:21,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 8 [2021-06-17 00:40:21,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262915926] [2021-06-17 00:40:21,218 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 00:40:21,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 00:40:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-17 00:40:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:21,219 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:21,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 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) [2021-06-17 00:40:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:21,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:21,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 00:40:21,549 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:21,549 INFO L82 PathProgramCache]: Analyzing trace with hash 192356783, now seen corresponding path program 10 times [2021-06-17 00:40:21,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:21,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426884028] [2021-06-17 00:40:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 00:40:21,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:21,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426884028] [2021-06-17 00:40:21,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426884028] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:21,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247675584] [2021-06-17 00:40:21,607 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:21,655 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 00:40:21,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:21,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 00:40:21,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:21,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247675584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:21,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:21,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 8 [2021-06-17 00:40:21,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412181826] [2021-06-17 00:40:21,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 00:40:21,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:21,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 00:40:21,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-17 00:40:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:21,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:21,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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) [2021-06-17 00:40:21,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:21,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:22,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-17 00:40:22,827 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:22,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1359008554, now seen corresponding path program 11 times [2021-06-17 00:40:22,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:22,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737687391] [2021-06-17 00:40:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-17 00:40:22,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:22,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737687391] [2021-06-17 00:40:22,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737687391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:22,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546031446] [2021-06-17 00:40:22,871 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:22,913 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 00:40:22,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:22,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 00:40:22,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-17 00:40:22,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546031446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:22,994 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:22,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-17 00:40:22,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14045929] [2021-06-17 00:40:22,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:40:22,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:40:22,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:40:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:22,995 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:22,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-06-17 00:40:22,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:22,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:23,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-17 00:40:23,619 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:23,620 INFO L82 PathProgramCache]: Analyzing trace with hash -283554966, now seen corresponding path program 12 times [2021-06-17 00:40:23,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:23,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644601171] [2021-06-17 00:40:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:23,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:23,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644601171] [2021-06-17 00:40:23,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644601171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:23,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817752449] [2021-06-17 00:40:23,671 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:23,728 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 00:40:23,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:23,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 00:40:23,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:23,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817752449] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:23,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:23,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-17 00:40:23,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616523603] [2021-06-17 00:40:23,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:40:23,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:23,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:40:23,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:40:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:23,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:23,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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) [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:24,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:24,401 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:24,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:24,402 INFO L82 PathProgramCache]: Analyzing trace with hash -748447572, now seen corresponding path program 13 times [2021-06-17 00:40:24,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:24,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299214791] [2021-06-17 00:40:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:25,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:25,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299214791] [2021-06-17 00:40:25,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299214791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:25,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783000995] [2021-06-17 00:40:25,215 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:25,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 63 conjunts are in the unsatisfiable core [2021-06-17 00:40:25,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:25,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2021-06-17 00:40:25,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:25,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:25,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:25,818 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:39 [2021-06-17 00:40:25,984 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-17 00:40:25,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2021-06-17 00:40:25,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:25,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:25,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:25,988 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:17 [2021-06-17 00:40:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:26,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783000995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:26,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:26,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 35 [2021-06-17 00:40:26,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107283203] [2021-06-17 00:40:26,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-17 00:40:26,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:26,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-17 00:40:26,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1145, Unknown=0, NotChecked=0, Total=1260 [2021-06-17 00:40:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:26,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:26,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.2777777777777777) internal successors, (82), 35 states have internal predecessors, (82), 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) [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:26,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:26,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:29,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:29,225 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:29,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:29,225 INFO L82 PathProgramCache]: Analyzing trace with hash -833643154, now seen corresponding path program 14 times [2021-06-17 00:40:29,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:29,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979798180] [2021-06-17 00:40:29,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:29,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:29,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979798180] [2021-06-17 00:40:29,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979798180] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:29,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223505042] [2021-06-17 00:40:29,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:29,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 00:40:29,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:29,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 00:40:29,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-17 00:40:29,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223505042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:29,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:29,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2021-06-17 00:40:29,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040826947] [2021-06-17 00:40:29,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 00:40:29,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:29,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 00:40:29,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-06-17 00:40:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:29,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:29,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:40:29,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:29,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:29,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:29,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:30,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:30,113 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:30,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:30,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1210779054, now seen corresponding path program 15 times [2021-06-17 00:40:30,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:30,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689880168] [2021-06-17 00:40:30,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-17 00:40:30,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:30,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689880168] [2021-06-17 00:40:30,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689880168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:30,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975453541] [2021-06-17 00:40:30,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:30,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 00:40:30,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:30,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 00:40:30,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-17 00:40:30,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975453541] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:30,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:30,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2021-06-17 00:40:30,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556992346] [2021-06-17 00:40:30,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 00:40:30,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:30,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 00:40:30,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-06-17 00:40:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:30,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:30,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 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) [2021-06-17 00:40:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:32,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-17 00:40:32,307 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:32,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:32,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1931549033, now seen corresponding path program 16 times [2021-06-17 00:40:32,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:32,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442323039] [2021-06-17 00:40:32,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-17 00:40:32,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:32,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442323039] [2021-06-17 00:40:32,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442323039] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:32,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999755746] [2021-06-17 00:40:32,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:32,407 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 00:40:32,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:32,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 00:40:32,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-17 00:40:32,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999755746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:32,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:32,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-17 00:40:32,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020617817] [2021-06-17 00:40:32,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 00:40:32,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:32,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 00:40:32,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-06-17 00:40:32,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:32,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:32,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-06-17 00:40:32,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:32,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:32,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:32,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:32,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:32,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:32,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:32,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:33,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-17 00:40:33,520 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:33,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:33,520 INFO L82 PathProgramCache]: Analyzing trace with hash -318996055, now seen corresponding path program 17 times [2021-06-17 00:40:33,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:33,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857890768] [2021-06-17 00:40:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-17 00:40:33,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:33,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857890768] [2021-06-17 00:40:33,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857890768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:33,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117591610] [2021-06-17 00:40:33,564 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:33,618 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-17 00:40:33,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:33,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 00:40:33,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-17 00:40:33,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117591610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:33,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:40:33,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-17 00:40:33,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468122794] [2021-06-17 00:40:33,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 00:40:33,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:40:33,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 00:40:33,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-06-17 00:40:33,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:33,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:40:33,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 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) [2021-06-17 00:40:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:33,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:40:34,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-17 00:40:34,809 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:40:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:40:34,809 INFO L82 PathProgramCache]: Analyzing trace with hash -447595733, now seen corresponding path program 18 times [2021-06-17 00:40:34,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:40:34,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927732124] [2021-06-17 00:40:34,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:40:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:40:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:40:35,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:40:35,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927732124] [2021-06-17 00:40:35,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927732124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:40:35,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375049591] [2021-06-17 00:40:35,934 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:40:35,990 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 00:40:35,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:40:35,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-17 00:40:35,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:40:36,925 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:36,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 77 treesize of output 117 [2021-06-17 00:40:36,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:36,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:40:36,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:40:36,972 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:161 [2021-06-17 00:40:37,726 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 95 [2021-06-17 00:40:38,253 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 192 [2021-06-17 00:40:39,325 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 120 [2021-06-17 00:40:39,967 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-17 00:40:41,551 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2021-06-17 00:40:43,291 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2021-06-17 00:40:44,195 INFO L446 ElimStorePlain]: Different costs {10=[v_prenex_72, v_prenex_83, v_prenex_71, q2, v_prenex_60, v_prenex_80, v_prenex_65, v_prenex_63, v_prenex_73, v_prenex_58, v_prenex_79, v_prenex_67], 15=[v_prenex_61, v_prenex_82, v_prenex_70, v_prenex_81, v_prenex_76, v_prenex_75, v_prenex_64, v_prenex_74, v_prenex_62, v_prenex_84, v_prenex_69, v_prenex_57, v_prenex_68, v_prenex_78, v_prenex_77, v_prenex_66, v_prenex_59]} [2021-06-17 00:40:44,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:40:44,456 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:40:44,456 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:40:44,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:40:44,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:49,348 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 637 DAG size of output: 621 [2021-06-17 00:40:49,350 INFO L628 ElimStorePlain]: treesize reduction 124, result has 95.5 percent of original size [2021-06-17 00:40:49,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:40:49,564 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:40:49,564 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:40:49,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:40:49,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 00:40:56,444 WARN L205 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 639 DAG size of output: 632 [2021-06-17 00:40:56,445 INFO L628 ElimStorePlain]: treesize reduction 59, result has 97.9 percent of original size [2021-06-17 00:40:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:40:56,664 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:40:56,664 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:40:56,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:40:56,684 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:01,979 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 661 DAG size of output: 639 [2021-06-17 00:41:01,981 INFO L628 ElimStorePlain]: treesize reduction 213, result has 93.1 percent of original size [2021-06-17 00:41:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:02,236 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:02,237 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:02,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:02,258 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:07,024 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 672 DAG size of output: 644 [2021-06-17 00:41:07,025 INFO L628 ElimStorePlain]: treesize reduction 244, result has 92.4 percent of original size [2021-06-17 00:41:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:07,246 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:07,246 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:07,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:07,266 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:13,010 WARN L205 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 673 DAG size of output: 650 [2021-06-17 00:41:13,012 INFO L628 ElimStorePlain]: treesize reduction 200, result has 93.8 percent of original size [2021-06-17 00:41:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:13,213 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:13,213 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:13,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:13,239 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:19,041 WARN L205 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 681 DAG size of output: 656 [2021-06-17 00:41:19,043 INFO L628 ElimStorePlain]: treesize reduction 216, result has 93.5 percent of original size [2021-06-17 00:41:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:19,254 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:19,255 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:19,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:19,271 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:24,648 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 678 DAG size of output: 661 [2021-06-17 00:41:24,649 INFO L628 ElimStorePlain]: treesize reduction 157, result has 95.3 percent of original size [2021-06-17 00:41:24,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:24,844 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:24,844 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:24,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:24,861 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:32,524 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification. DAG size of input: 686 DAG size of output: 666 [2021-06-17 00:41:32,525 INFO L628 ElimStorePlain]: treesize reduction 164, result has 95.2 percent of original size [2021-06-17 00:41:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:32,717 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:32,717 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:32,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:32,746 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:36,784 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 694 DAG size of output: 676 [2021-06-17 00:41:36,786 INFO L628 ElimStorePlain]: treesize reduction 124, result has 96.5 percent of original size [2021-06-17 00:41:36,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:36,984 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:36,984 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:36,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:36,999 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:42,969 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 695 DAG size of output: 681 [2021-06-17 00:41:42,970 INFO L628 ElimStorePlain]: treesize reduction 133, result has 96.4 percent of original size [2021-06-17 00:41:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:43,172 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:43,172 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:43,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:43,192 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:49,198 WARN L205 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 712 DAG size of output: 690 [2021-06-17 00:41:49,199 INFO L628 ElimStorePlain]: treesize reduction 175, result has 95.4 percent of original size [2021-06-17 00:41:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:49,405 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-06-17 00:41:49,405 INFO L354 Elim1Store]: treesize reduction 10, result has 89.5 percent of original size [2021-06-17 00:41:49,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 117 [2021-06-17 00:41:49,422 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 00:41:55,702 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 712 DAG size of output: 695 [2021-06-17 00:41:55,703 INFO L628 ElimStorePlain]: treesize reduction 157, result has 95.9 percent of original size [2021-06-17 00:41:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:41:55,970 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:41:55,971 INFO L354 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2021-06-17 00:41:55,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 148 [2021-06-17 00:41:55,993 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:02,509 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 730 DAG size of output: 705 [2021-06-17 00:42:02,510 INFO L628 ElimStorePlain]: treesize reduction 260, result has 93.7 percent of original size [2021-06-17 00:42:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:02,768 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:42:02,769 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:42:02,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:42:02,784 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:07,477 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 725 DAG size of output: 719 [2021-06-17 00:42:07,478 INFO L628 ElimStorePlain]: treesize reduction 75, result has 98.2 percent of original size [2021-06-17 00:42:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:07,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:07,714 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:42:07,715 INFO L354 Elim1Store]: treesize reduction 22, result has 82.7 percent of original size [2021-06-17 00:42:07,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 66 treesize of output 144 [2021-06-17 00:42:07,745 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:14,697 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 741 DAG size of output: 723 [2021-06-17 00:42:14,699 INFO L628 ElimStorePlain]: treesize reduction 201, result has 95.4 percent of original size [2021-06-17 00:42:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:14,936 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:42:14,937 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:42:14,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:42:14,961 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:22,143 WARN L205 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 749 DAG size of output: 731 [2021-06-17 00:42:22,144 INFO L628 ElimStorePlain]: treesize reduction 204, result has 95.5 percent of original size [2021-06-17 00:42:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:22,395 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:42:22,396 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:42:22,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:42:22,417 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:30,178 WARN L205 SmtUtils]: Spent 7.76 s on a formula simplification. DAG size of input: 756 DAG size of output: 739 [2021-06-17 00:42:30,179 INFO L628 ElimStorePlain]: treesize reduction 190, result has 95.9 percent of original size [2021-06-17 00:42:30,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:30,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:30,403 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:42:30,403 INFO L354 Elim1Store]: treesize reduction 22, result has 82.7 percent of original size [2021-06-17 00:42:30,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 66 treesize of output 144 [2021-06-17 00:42:30,421 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:38,094 WARN L205 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 764 DAG size of output: 743 [2021-06-17 00:42:38,095 INFO L628 ElimStorePlain]: treesize reduction 223, result has 95.4 percent of original size [2021-06-17 00:42:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:38,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:38,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:38,329 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:42:38,330 INFO L354 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2021-06-17 00:42:38,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 148 [2021-06-17 00:42:38,373 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:46,273 WARN L205 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 770 DAG size of output: 746 [2021-06-17 00:42:46,275 INFO L628 ElimStorePlain]: treesize reduction 306, result has 93.8 percent of original size [2021-06-17 00:42:46,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:46,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:46,528 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:42:46,529 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:42:46,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:42:46,567 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 00:42:54,780 WARN L205 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 782 DAG size of output: 756 [2021-06-17 00:42:54,781 INFO L628 ElimStorePlain]: treesize reduction 298, result has 94.1 percent of original size [2021-06-17 00:42:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:42:55,044 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:42:55,045 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:42:55,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:42:55,068 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:03,328 WARN L205 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 787 DAG size of output: 764 [2021-06-17 00:43:03,329 INFO L628 ElimStorePlain]: treesize reduction 252, result has 95.1 percent of original size [2021-06-17 00:43:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:03,605 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:43:03,606 INFO L354 Elim1Store]: treesize reduction 22, result has 82.7 percent of original size [2021-06-17 00:43:03,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 66 treesize of output 144 [2021-06-17 00:43:03,639 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:12,013 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 788 DAG size of output: 765 [2021-06-17 00:43:12,014 INFO L628 ElimStorePlain]: treesize reduction 335, result has 93.7 percent of original size [2021-06-17 00:43:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:12,246 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:43:12,246 INFO L354 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2021-06-17 00:43:12,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 148 [2021-06-17 00:43:12,278 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:17,968 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 780 DAG size of output: 769 [2021-06-17 00:43:17,970 INFO L628 ElimStorePlain]: treesize reduction 174, result has 96.7 percent of original size [2021-06-17 00:43:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:18,186 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:43:18,187 INFO L354 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2021-06-17 00:43:18,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 148 [2021-06-17 00:43:18,218 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:26,556 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 796 DAG size of output: 773 [2021-06-17 00:43:26,557 INFO L628 ElimStorePlain]: treesize reduction 280, result has 94.9 percent of original size [2021-06-17 00:43:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:26,793 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:43:26,794 INFO L354 Elim1Store]: treesize reduction 22, result has 82.7 percent of original size [2021-06-17 00:43:26,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 66 treesize of output 144 [2021-06-17 00:43:26,827 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:32,747 WARN L205 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 793 DAG size of output: 777 [2021-06-17 00:43:32,748 INFO L628 ElimStorePlain]: treesize reduction 191, result has 96.6 percent of original size [2021-06-17 00:43:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:32,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:32,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:32,968 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:43:32,968 INFO L354 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2021-06-17 00:43:32,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 148 [2021-06-17 00:43:32,989 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:41,912 WARN L205 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 794 DAG size of output: 781 [2021-06-17 00:43:41,913 INFO L628 ElimStorePlain]: treesize reduction 163, result has 97.1 percent of original size [2021-06-17 00:43:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:42,119 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-06-17 00:43:42,119 INFO L354 Elim1Store]: treesize reduction 22, result has 82.7 percent of original size [2021-06-17 00:43:42,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 79 treesize of output 153 [2021-06-17 00:43:42,137 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:51,016 WARN L205 SmtUtils]: Spent 8.88 s on a formula simplification. DAG size of input: 795 DAG size of output: 783 [2021-06-17 00:43:51,017 INFO L628 ElimStorePlain]: treesize reduction 119, result has 97.9 percent of original size [2021-06-17 00:43:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:51,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:51,226 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:43:51,226 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:43:51,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:43:51,243 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 00:43:57,218 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 799 DAG size of output: 786 [2021-06-17 00:43:57,220 INFO L628 ElimStorePlain]: treesize reduction 206, result has 96.5 percent of original size [2021-06-17 00:43:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:43:57,437 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-17 00:43:57,437 INFO L354 Elim1Store]: treesize reduction 10, result has 92.1 percent of original size [2021-06-17 00:43:57,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 158 [2021-06-17 00:43:57,463 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 00:44:03,794 WARN L205 SmtUtils]: Spent 6.33 s on a formula simplification. DAG size of input: 808 DAG size of output: 790 [2021-06-17 00:44:03,795 INFO L628 ElimStorePlain]: treesize reduction 268, result has 95.6 percent of original size [2021-06-17 00:44:06,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 30 dim-0 vars, 29 dim-1 vars, End of recursive call: and 29 xjuncts. [2021-06-17 00:44:06,564 INFO L247 ElimStorePlain]: Needed 30 recursive calls to eliminate 59 variables, input treesize:2533, output treesize:8205 [2021-06-17 00:44:07,581 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-06-17 00:44:08,008 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-17 00:44:08,301 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-17 00:44:08,542 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-17 00:44:59,307 WARN L205 SmtUtils]: Spent 48.53 s on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2021-06-17 00:44:59,441 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_97, v_prenex_96, v_prenex_101, v_prenex_99], 3=[q1, v_prenex_100, v_prenex_103], 6=[v_prenex_98, v_prenex_102, v_prenex_104]} [2021-06-17 00:44:59,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:44:59,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2021-06-17 00:44:59,460 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:44:59,627 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-17 00:44:59,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:44:59,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:44:59,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2021-06-17 00:44:59,648 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:44:59,947 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2021-06-17 00:44:59,948 INFO L628 ElimStorePlain]: treesize reduction 4, result has 98.8 percent of original size [2021-06-17 00:44:59,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:44:59,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2021-06-17 00:44:59,965 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:45:00,090 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-17 00:45:00,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:45:00,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:45:00,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2021-06-17 00:45:00,105 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:45:00,229 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-17 00:45:00,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:45:00,255 INFO L354 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2021-06-17 00:45:00,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 29 [2021-06-17 00:45:00,258 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-17 00:45:00,519 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2021-06-17 00:45:00,520 INFO L628 ElimStorePlain]: treesize reduction 12, result has 96.3 percent of original size [2021-06-17 00:45:00,543 INFO L354 Elim1Store]: treesize reduction 18, result has 37.9 percent of original size [2021-06-17 00:45:00,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 19 [2021-06-17 00:45:00,547 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 00:45:00,668 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-17 00:45:00,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:45:00,689 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-06-17 00:45:00,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 21 [2021-06-17 00:45:00,690 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 00:45:00,806 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-06-17 00:45:00,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:45:00,842 INFO L354 Elim1Store]: treesize reduction 26, result has 57.4 percent of original size [2021-06-17 00:45:00,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 43 [2021-06-17 00:45:00,846 INFO L550 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:45:01,086 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2021-06-17 00:45:01,086 INFO L628 ElimStorePlain]: treesize reduction 10, result has 96.7 percent of original size [2021-06-17 00:45:01,123 INFO L354 Elim1Store]: treesize reduction 26, result has 57.4 percent of original size [2021-06-17 00:45:01,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 43 [2021-06-17 00:45:01,127 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 00:45:01,370 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2021-06-17 00:45:01,371 INFO L628 ElimStorePlain]: treesize reduction 10, result has 96.7 percent of original size [2021-06-17 00:45:01,406 INFO L354 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2021-06-17 00:45:01,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 47 [2021-06-17 00:45:01,410 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 00:45:01,657 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-06-17 00:45:01,657 INFO L628 ElimStorePlain]: treesize reduction 10, result has 96.6 percent of original size [2021-06-17 00:45:01,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 10 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-17 00:45:01,671 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 20 variables, input treesize:349, output treesize:167 [2021-06-17 00:45:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:45:01,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375049591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:45:01,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:45:01,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 54 [2021-06-17 00:45:01,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927891959] [2021-06-17 00:45:01,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-17 00:45:01,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:45:01,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-17 00:45:01,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2810, Unknown=1, NotChecked=0, Total=2970 [2021-06-17 00:45:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:45:01,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:45:01,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.0545454545454547) internal successors, (113), 54 states have internal predecessors, (113), 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) [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:45:01,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:45:01,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:45:02,514 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2021-06-17 00:45:03,013 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 44 [2021-06-17 00:45:03,601 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 64 [2021-06-17 00:45:04,239 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 24 [2021-06-17 00:45:04,720 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 52 [2021-06-17 00:45:07,687 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 32 [2021-06-17 00:45:08,488 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-17 00:45:08,884 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 48 [2021-06-17 00:45:09,731 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2021-06-17 00:46:41,943 WARN L205 SmtUtils]: Spent 1.53 m on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2021-06-17 00:46:43,065 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2021-06-17 00:46:43,458 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 61 [2021-06-17 00:46:44,360 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 75 [2021-06-17 00:46:45,532 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-06-17 00:46:46,706 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 50 [2021-06-17 00:46:48,391 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-06-17 00:46:49,168 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-06-17 00:46:49,926 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 59 [2021-06-17 00:46:50,701 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 128 [2021-06-17 00:46:51,561 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 117 [2021-06-17 00:46:52,415 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-06-17 00:46:52,860 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2021-06-17 00:46:53,514 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2021-06-17 00:46:54,175 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 134 [2021-06-17 00:46:54,920 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2021-06-17 00:46:55,342 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-06-17 00:46:56,304 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-17 00:46:57,378 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2021-06-17 00:46:57,994 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-17 00:46:58,654 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-06-17 00:46:58,983 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-06-17 00:46:59,280 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-06-17 00:48:13,190 WARN L205 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 00:48:13,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-17 00:48:13,526 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:48:13,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:48:13,526 INFO L82 PathProgramCache]: Analyzing trace with hash 522165293, now seen corresponding path program 19 times [2021-06-17 00:48:13,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:48:13,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750288447] [2021-06-17 00:48:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:48:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:48:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 47 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-17 00:48:13,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:48:13,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750288447] [2021-06-17 00:48:13,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750288447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:48:13,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863216820] [2021-06-17 00:48:13,616 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:48:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:48:13,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 00:48:13,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:48:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 47 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-17 00:48:13,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863216820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:48:13,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:48:13,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 12 [2021-06-17 00:48:13,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606021150] [2021-06-17 00:48:13,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 00:48:13,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:48:13,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 00:48:13,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-06-17 00:48:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:48:13,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:48:13,765 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 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) [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 00:48:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:48:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 00:48:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:48:15,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1376 [2021-06-17 00:48:15,067 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:48:15,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:48:15,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1883114387, now seen corresponding path program 20 times [2021-06-17 00:48:15,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:48:15,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384292349] [2021-06-17 00:48:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:48:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:48:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 23 proven. 44 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-17 00:48:15,157 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:48:15,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384292349] [2021-06-17 00:48:15,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384292349] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:48:15,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920194513] [2021-06-17 00:48:15,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:48:15,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 00:48:15,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:48:15,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 00:48:15,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:48:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 22 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-17 00:48:15,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920194513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:48:15,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:48:15,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 12 [2021-06-17 00:48:15,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925382432] [2021-06-17 00:48:15,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 00:48:15,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:48:15,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 00:48:15,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-06-17 00:48:15,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:48:15,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:48:15,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:15,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:48:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:48:17,203 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-06-17 00:48:19,394 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:48:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:48:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:48:20,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1377,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:48:20,633 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:48:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:48:20,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1771146278, now seen corresponding path program 21 times [2021-06-17 00:48:20,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:48:20,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100105973] [2021-06-17 00:48:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:48:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:48:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 48 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-17 00:48:20,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:48:20,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100105973] [2021-06-17 00:48:20,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100105973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:48:20,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977139656] [2021-06-17 00:48:20,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:48:20,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-17 00:48:20,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:48:20,767 WARN L261 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-17 00:48:20,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:48:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:48:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:48:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:48:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:48:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:48:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:48:21,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:48:21,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 85 treesize of output 213 [2021-06-17 00:48:21,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:48:21,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:48:21,523 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:48:21,523 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:283 [2021-06-17 00:48:21,689 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-17 00:48:22,494 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 156 [2021-06-17 00:48:23,374 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 233 [2021-06-17 00:48:24,601 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 173 [2021-06-17 00:48:24,874 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 261 [2021-06-17 00:48:25,475 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 412 [2021-06-17 00:48:26,754 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 214 [2021-06-17 00:48:27,086 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 232 [2021-06-17 00:48:27,844 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 162 [2021-06-17 00:48:28,449 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 298 [2021-06-17 00:48:28,904 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 160 [2021-06-17 00:48:29,903 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 211 [2021-06-17 00:48:30,175 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 229 [2021-06-17 00:48:30,567 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 295 [2021-06-17 00:48:31,909 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1201 DAG size of output: 499 [2021-06-17 00:48:32,741 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 227 [2021-06-17 00:48:32,963 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 245 [2021-06-17 00:48:33,457 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 193 [2021-06-17 00:48:33,784 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 327 [2021-06-17 00:48:34,246 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 195 [2021-06-17 00:48:35,366 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 232 [2021-06-17 00:48:35,655 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 250 [2021-06-17 00:48:36,185 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 332 [2021-06-17 00:48:37,142 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 551 [2021-06-17 00:48:39,683 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2288 DAG size of output: 942 [2021-06-17 00:48:43,669 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 2329 DAG size of output: 964 [2021-06-17 00:48:44,481 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 178 [2021-06-17 00:48:45,411 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 147 [2021-06-17 00:48:45,617 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 181 [2021-06-17 00:48:46,076 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 286 [2021-06-17 00:48:46,599 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 155 [2021-06-17 00:48:47,012 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 197 [2021-06-17 00:48:47,688 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 193 [2021-06-17 00:48:48,116 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 312 [2021-06-17 00:48:49,181 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1200 DAG size of output: 511 [2021-06-17 00:48:50,276 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 268 [2021-06-17 00:48:51,978 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1232 DAG size of output: 529 [2021-06-17 00:48:58,996 WARN L205 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 2484 DAG size of output: 1048 [2021-06-17 00:49:06,571 WARN L205 SmtUtils]: Spent 7.56 s on a formula simplification. DAG size of input: 2506 DAG size of output: 925 [2021-06-17 00:49:14,208 WARN L205 SmtUtils]: Spent 7.57 s on a formula simplification. DAG size of input: 2506 DAG size of output: 925 [2021-06-17 00:49:14,405 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 925 [2021-06-17 00:49:19,581 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 917 DAG size of output: 165 [2021-06-17 00:49:20,088 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 344 [2021-06-17 00:49:20,223 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 351 [2021-06-17 00:49:20,379 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 351 [2021-06-17 00:49:23,193 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 351 DAG size of output: 201 [2021-06-17 00:49:23,832 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 129 [2021-06-17 00:49:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,108 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:49:24,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 108 [2021-06-17 00:49:24,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 00:49:24,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:49:24,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:49:24,127 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:38 [2021-06-17 00:49:24,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:49:24,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:49:24,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 77 [2021-06-17 00:49:24,381 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:49:24,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:49:24,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:49:24,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:19 [2021-06-17 00:49:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 72 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 00:49:24,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977139656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:49:24,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:49:24,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 30] total 36 [2021-06-17 00:49:24,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749876286] [2021-06-17 00:49:24,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 00:49:24,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:49:24,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 00:49:24,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1190, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 00:49:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:49:24,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:49:24,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.27027027027027) internal successors, (121), 36 states have internal predecessors, (121), 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) [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:24,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:24,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:49:27,651 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2021-06-17 00:49:28,875 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 168 DAG size of output: 154 [2021-06-17 00:49:30,059 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2021-06-17 00:49:32,176 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2021-06-17 00:49:33,830 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 228 DAG size of output: 197 [2021-06-17 00:49:34,687 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 151 [2021-06-17 00:49:36,773 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2021-06-17 00:49:37,301 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 83 [2021-06-17 00:49:38,128 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 147 [2021-06-17 00:49:41,921 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-06-17 00:49:42,336 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2021-06-17 00:49:43,515 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 168 DAG size of output: 154 [2021-06-17 00:49:44,692 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2021-06-17 00:49:46,916 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2021-06-17 00:49:48,599 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 228 DAG size of output: 197 [2021-06-17 00:49:49,469 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 151 [2021-06-17 00:49:51,627 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2021-06-17 00:49:52,115 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 83 [2021-06-17 00:49:52,966 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 147 [2021-06-17 00:49:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:49:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:49:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:49:53,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1378 [2021-06-17 00:49:53,781 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:49:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:49:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1865508248, now seen corresponding path program 22 times [2021-06-17 00:49:53,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:49:53,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075434966] [2021-06-17 00:49:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:49:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:49:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 62 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-17 00:49:53,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:49:53,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075434966] [2021-06-17 00:49:53,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075434966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:49:53,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475615571] [2021-06-17 00:49:53,846 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:49:53,905 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 00:49:53,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:49:53,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 00:49:53,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:49:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 71 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-17 00:49:53,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475615571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:49:53,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:49:53,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-17 00:49:53,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370196163] [2021-06-17 00:49:53,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 00:49:53,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:49:53,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 00:49:53,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-06-17 00:49:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:49:53,999 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:49:54,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 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) [2021-06-17 00:49:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:49:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:54,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:54,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:54,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:54,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:49:54,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:54,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:54,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:49:54,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:49:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:49:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:49:56,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2641,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:49:56,112 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:49:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:49:56,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1368496022, now seen corresponding path program 23 times [2021-06-17 00:49:56,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:49:56,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730391696] [2021-06-17 00:49:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:49:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:49:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:49:57,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:49:57,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730391696] [2021-06-17 00:49:57,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730391696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:49:57,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638131552] [2021-06-17 00:49:57,731 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:49:57,780 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-17 00:49:57,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:49:57,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-17 00:49:57,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:49:59,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-06-17 00:49:59,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:49:59,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:49:59,422 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 00:49:59,422 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:120, output treesize:85 [2021-06-17 00:50:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:00,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:00,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:00,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 52 [2021-06-17 00:50:00,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:50:00,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:50:00,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 00:50:00,938 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:106, output treesize:38 [2021-06-17 00:50:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:02,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:02,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:50:02,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 14 [2021-06-17 00:50:02,073 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 00:50:02,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:50:02,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:50:02,079 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:3 [2021-06-17 00:50:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:50:02,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638131552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:02,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:50:02,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30] total 62 [2021-06-17 00:50:02,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836866033] [2021-06-17 00:50:02,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-17 00:50:02,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:50:02,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-17 00:50:02,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=3749, Unknown=0, NotChecked=0, Total=3906 [2021-06-17 00:50:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:02,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:50:02,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0952380952380953) internal successors, (132), 62 states have internal predecessors, (132), 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) [2021-06-17 00:50:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:02,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:02,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:12,276 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2021-06-17 00:50:15,484 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2021-06-17 00:50:15,951 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2021-06-17 00:50:16,901 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-06-17 00:50:17,391 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 00:50:24,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2642 [2021-06-17 00:50:24,058 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:50:24,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:50:24,058 INFO L82 PathProgramCache]: Analyzing trace with hash 300250540, now seen corresponding path program 24 times [2021-06-17 00:50:24,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:50:24,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055064261] [2021-06-17 00:50:24,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:50:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:50:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 36 proven. 74 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-17 00:50:24,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:50:24,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055064261] [2021-06-17 00:50:24,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055064261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:24,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056514394] [2021-06-17 00:50:24,175 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:50:24,233 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 00:50:24,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:50:24,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-17 00:50:24,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:50:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 36 proven. 74 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-17 00:50:24,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056514394] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:24,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:50:24,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 14 [2021-06-17 00:50:24,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968745119] [2021-06-17 00:50:24,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 00:50:24,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:50:24,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 00:50:24,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2021-06-17 00:50:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:24,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:50:24,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.266666666666667) internal successors, (94), 14 states have internal predecessors, (94), 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) [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:24,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:24,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 00:50:24,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:50:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 00:50:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:26,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2643 [2021-06-17 00:50:26,545 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:50:26,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:50:26,545 INFO L82 PathProgramCache]: Analyzing trace with hash -481116692, now seen corresponding path program 25 times [2021-06-17 00:50:26,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:50:26,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545162826] [2021-06-17 00:50:26,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:50:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:50:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 33 proven. 71 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-17 00:50:26,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:50:26,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545162826] [2021-06-17 00:50:26,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545162826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:26,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543674072] [2021-06-17 00:50:26,668 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:50:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:50:26,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-17 00:50:26,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:50:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 32 proven. 71 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-17 00:50:26,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543674072] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:26,826 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:50:26,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 14 [2021-06-17 00:50:26,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974102473] [2021-06-17 00:50:26,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 00:50:26,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:50:26,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 00:50:26,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2021-06-17 00:50:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:26,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:50:26,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 14 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) [2021-06-17 00:50:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:26,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:37,063 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-06-17 00:50:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:37,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-17 00:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-17 00:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:37,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2644 [2021-06-17 00:50:37,702 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:50:37,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:50:37,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1543177307, now seen corresponding path program 26 times [2021-06-17 00:50:37,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:50:37,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785130254] [2021-06-17 00:50:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:50:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:50:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 75 proven. 56 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-17 00:50:37,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:50:37,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785130254] [2021-06-17 00:50:37,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785130254] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:37,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085576496] [2021-06-17 00:50:37,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:50:37,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 00:50:37,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:50:37,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 00:50:37,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:50:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 20 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-17 00:50:37,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085576496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:37,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:50:37,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-17 00:50:37,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439367777] [2021-06-17 00:50:37,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 00:50:37,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:50:37,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 00:50:37,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-06-17 00:50:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:37,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:50:37,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 15 states have internal predecessors, (127), 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) [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:37,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:37,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:50:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:50:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:50:42,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-17 00:50:42,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2645,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:50:42,589 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:50:42,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:50:42,589 INFO L82 PathProgramCache]: Analyzing trace with hash -195104663, now seen corresponding path program 27 times [2021-06-17 00:50:42,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:50:42,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814699284] [2021-06-17 00:50:42,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:50:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:50:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:50:44,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:50:44,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814699284] [2021-06-17 00:50:44,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814699284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:50:44,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174566103] [2021-06-17 00:50:44,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:50:44,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-17 00:50:44,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:50:44,810 WARN L261 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 127 conjunts are in the unsatisfiable core [2021-06-17 00:50:44,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:50:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:50:47,385 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-06-17 00:50:47,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:50:47,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 13 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 129 treesize of output 421 [2021-06-17 00:50:47,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:50:47,679 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-17 00:50:47,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:50:47,682 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:50:47,683 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:600 [2021-06-17 00:50:48,196 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-17 00:50:48,828 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 138 [2021-06-17 00:50:48,973 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 175 [2021-06-17 00:50:49,589 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 208 [2021-06-17 00:50:50,587 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 116 [2021-06-17 00:50:50,864 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 196 [2021-06-17 00:50:51,208 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 265 [2021-06-17 00:50:51,554 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 110 [2021-06-17 00:50:51,970 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 176 [2021-06-17 00:50:52,668 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 330 [2021-06-17 00:50:53,773 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 711 DAG size of output: 340 [2021-06-17 00:50:54,654 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 141 [2021-06-17 00:50:54,782 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 180 [2021-06-17 00:50:55,275 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 213 [2021-06-17 00:50:55,727 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 223 [2021-06-17 00:50:57,591 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 753 DAG size of output: 382 [2021-06-17 00:50:58,689 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 198 [2021-06-17 00:50:59,490 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 267 [2021-06-17 00:51:00,179 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 108 [2021-06-17 00:51:00,426 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 177 [2021-06-17 00:51:01,028 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 332 [2021-06-17 00:51:02,267 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 177 [2021-06-17 00:51:02,690 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 210 [2021-06-17 00:51:03,682 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 342 [2021-06-17 00:51:04,439 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 183 [2021-06-17 00:51:05,023 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 216 [2021-06-17 00:51:05,985 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 226 [2021-06-17 00:51:07,621 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 832 DAG size of output: 384 [2021-06-17 00:51:11,463 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 1498 DAG size of output: 653 [2021-06-17 00:51:12,653 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 176 [2021-06-17 00:51:12,847 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 209 [2021-06-17 00:51:13,182 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 219 [2021-06-17 00:51:14,183 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 192 [2021-06-17 00:51:14,452 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 261 [2021-06-17 00:51:15,060 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 172 [2021-06-17 00:51:15,574 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 326 [2021-06-17 00:51:16,322 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 172 [2021-06-17 00:51:16,558 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 205 [2021-06-17 00:51:17,374 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 336 [2021-06-17 00:51:18,850 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 731 DAG size of output: 378 [2021-06-17 00:51:19,628 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 199 [2021-06-17 00:51:20,626 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 186 [2021-06-17 00:51:21,074 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 255 [2021-06-17 00:51:21,485 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 320 [2021-06-17 00:51:22,125 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 330 [2021-06-17 00:51:22,814 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 203 [2021-06-17 00:51:23,397 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 213 [2021-06-17 00:51:24,538 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 668 DAG size of output: 372 [2021-06-17 00:51:27,470 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1317 DAG size of output: 638 [2021-06-17 00:51:34,590 WARN L205 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 2725 DAG size of output: 1150 [2021-06-17 00:51:35,490 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 196 [2021-06-17 00:51:36,221 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 265 [2021-06-17 00:51:37,073 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 175 [2021-06-17 00:51:37,544 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 330 [2021-06-17 00:51:38,324 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 176 [2021-06-17 00:51:38,939 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 209 [2021-06-17 00:51:39,895 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 340 [2021-06-17 00:51:40,961 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 180 [2021-06-17 00:51:41,186 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 213 [2021-06-17 00:51:42,133 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 223 [2021-06-17 00:51:43,770 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 820 DAG size of output: 382 [2021-06-17 00:51:44,313 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 170 [2021-06-17 00:51:44,884 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 203 [2021-06-17 00:51:45,563 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 190 [2021-06-17 00:51:46,175 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 259 [2021-06-17 00:51:46,768 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 170 [2021-06-17 00:51:47,261 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 324 [2021-06-17 00:51:48,026 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 334 [2021-06-17 00:51:48,571 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 174 [2021-06-17 00:51:49,012 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 207 [2021-06-17 00:51:49,642 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 217 [2021-06-17 00:51:50,924 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 735 DAG size of output: 376 [2021-06-17 00:51:54,385 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1468 DAG size of output: 642 [2021-06-17 00:51:55,240 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 184 [2021-06-17 00:51:55,944 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 217 [2021-06-17 00:51:57,448 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 208 [2021-06-17 00:51:57,849 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 713 DAG size of output: 277 [2021-06-17 00:51:58,732 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 187 [2021-06-17 00:51:59,319 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 342 [2021-06-17 00:52:00,430 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 796 DAG size of output: 352 [2021-06-17 00:52:02,198 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 191 [2021-06-17 00:52:02,462 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 224 [2021-06-17 00:52:02,952 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 234 [2021-06-17 00:52:04,712 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 844 DAG size of output: 394 [2021-06-17 00:52:05,658 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 150 [2021-06-17 00:52:07,375 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 188 [2021-06-17 00:52:07,671 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 221 [2021-06-17 00:52:08,212 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 231 [2021-06-17 00:52:09,300 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 146 [2021-06-17 00:52:09,504 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 183 [2021-06-17 00:52:10,192 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 144 [2021-06-17 00:52:10,758 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 156 [2021-06-17 00:52:11,018 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 205 [2021-06-17 00:52:12,118 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 274 [2021-06-17 00:52:12,918 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 857 DAG size of output: 339 [2021-06-17 00:52:14,488 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 144 [2021-06-17 00:52:14,672 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 181 [2021-06-17 00:52:14,993 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 214 [2021-06-17 00:52:16,288 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 877 DAG size of output: 349 [2021-06-17 00:52:18,509 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 925 DAG size of output: 391 [2021-06-17 00:52:23,144 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1677 DAG size of output: 666 [2021-06-17 00:52:32,453 WARN L205 SmtUtils]: Spent 9.30 s on a formula simplification. DAG size of input: 3050 DAG size of output: 1163 [2021-06-17 00:52:50,816 WARN L205 SmtUtils]: Spent 18.34 s on a formula simplification. DAG size of input: 5676 DAG size of output: 2129 [2021-06-17 00:52:51,949 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 185 [2021-06-17 00:52:52,855 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 218 [2021-06-17 00:52:53,942 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 149 [2021-06-17 00:52:54,405 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 230 [2021-06-17 00:52:55,875 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 152 [2021-06-17 00:52:56,041 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 164 [2021-06-17 00:52:56,763 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 256 [2021-06-17 00:52:58,194 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 186 [2021-06-17 00:52:58,874 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 219 [2021-06-17 00:52:59,262 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 231 [2021-06-17 00:53:00,290 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 163 [2021-06-17 00:53:00,894 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 257 [2021-06-17 00:53:02,516 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 859 DAG size of output: 415 [2021-06-17 00:53:04,308 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 211 [2021-06-17 00:53:04,613 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 223 [2021-06-17 00:53:05,562 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 159 [2021-06-17 00:53:06,162 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 249 [2021-06-17 00:53:07,268 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 172 [2021-06-17 00:53:07,493 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 205 [2021-06-17 00:53:07,766 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 217 [2021-06-17 00:53:08,855 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 243 [2021-06-17 00:53:10,113 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 756 DAG size of output: 397 [2021-06-17 00:53:13,062 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1522 DAG size of output: 695 [2021-06-17 00:53:13,992 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 149 [2021-06-17 00:53:14,144 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 161 [2021-06-17 00:53:14,979 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 180 [2021-06-17 00:53:15,668 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 213 [2021-06-17 00:53:16,309 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 149 [2021-06-17 00:53:16,802 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 225 [2021-06-17 00:53:17,466 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 251 [2021-06-17 00:53:18,299 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 159 [2021-06-17 00:53:19,546 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 181 [2021-06-17 00:53:20,128 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 214 [2021-06-17 00:53:20,633 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 226 [2021-06-17 00:53:21,392 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 252 [2021-06-17 00:53:23,057 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 848 DAG size of output: 408 [2021-06-17 00:53:23,809 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 157 [2021-06-17 00:53:24,843 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 210 [2021-06-17 00:53:25,326 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 146 [2021-06-17 00:53:25,693 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 222 [2021-06-17 00:53:26,332 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 248 [2021-06-17 00:53:27,562 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 204 [2021-06-17 00:53:27,861 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 216 [2021-06-17 00:53:28,419 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-06-17 00:53:28,969 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 242 [2021-06-17 00:53:30,371 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 747 DAG size of output: 396 [2021-06-17 00:53:33,506 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1507 DAG size of output: 688 [2021-06-17 00:53:40,387 WARN L205 SmtUtils]: Spent 6.87 s on a formula simplification. DAG size of input: 2932 DAG size of output: 1204 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown