/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 04:04:08,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 04:04:08,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 04:04:08,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 04:04:08,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 04:04:08,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 04:04:08,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 04:04:08,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 04:04:08,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 04:04:08,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 04:04:08,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 04:04:08,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 04:04:08,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 04:04:08,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 04:04:08,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 04:04:08,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 04:04:08,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 04:04:08,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 04:04:08,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 04:04:08,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 04:04:08,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 04:04:08,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 04:04:08,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 04:04:08,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 04:04:08,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 04:04:08,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 04:04:08,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 04:04:08,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 04:04:08,554 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 04:04:08,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 04:04:08,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 04:04:08,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 04:04:08,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 04:04:08,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 04:04:08,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 04:04:08,590 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 04:04:08,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 04:04:08,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 04:04:08,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 04:04:08,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 04:04:08,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 04:04:08,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 04:04:08,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 04:04:08,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 04:04:08,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 04:04:08,595 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 04:04:08,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 04:04:08,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 04:04:08,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 04:04:08,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 04:04:08,885 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 04:04:08,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-06-07 04:04:08,893 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-06-07 04:04:08,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 04:04:08,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 04:04:08,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 04:04:08,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 04:04:08,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 04:04:08,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 04:04:08,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 04:04:08,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 04:04:08,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 04:04:08,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/1) ... [2021-06-07 04:04:08,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 04:04:08,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 04:04:08,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 04:04:08,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 04:04:08,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (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 [2021-06-07 04:04:09,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 04:04:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 04:04:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 04:04:09,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 04:04:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 04:04:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 04:04:09,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 04:04:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 04:04:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 04:04:09,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 04:04:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 04:04:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 04:04:09,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-07 04:04:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-07 04:04:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-07 04:04:09,043 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 04:04:09,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 04:04:09,326 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 04:04:09,328 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:04:09 BoogieIcfgContainer [2021-06-07 04:04:09,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 04:04:09,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 04:04:09,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 04:04:09,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 04:04:09,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:08" (1/2) ... [2021-06-07 04:04:09,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419c92f1 and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:04:09, skipping insertion in model container [2021-06-07 04:04:09,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:04:09" (2/2) ... [2021-06-07 04:04:09,350 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-06-07 04:04:09,370 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 04:04:09,371 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 04:04:09,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 04:04:09,371 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 04:04:09,432 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 04:04:09,454 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 [2021-06-07 04:04:09,513 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 04:04:09,513 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 04:04:09,513 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 04:04:09,513 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 04:04:09,513 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 04:04:09,513 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 04:04:09,513 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 04:04:09,514 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 04:04:09,620 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash -812398068, now seen corresponding path program 1 times [2021-06-07 04:04:09,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:09,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701974019] [2021-06-07 04:04:09,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:09,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:09,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701974019] [2021-06-07 04:04:09,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701974019] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 04:04:09,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 04:04:09,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 04:04:09,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898783607] [2021-06-07 04:04:09,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 04:04:09,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:09,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 04:04:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-07 04:04:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:09,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:09,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-06-07 04:04:09,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:09,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:09,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 04:04:09,854 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:09,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:09,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1143764058, now seen corresponding path program 1 times [2021-06-07 04:04:09,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:09,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471297467] [2021-06-07 04:04:09,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:09,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:09,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471297467] [2021-06-07 04:04:09,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471297467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:09,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144227661] [2021-06-07 04:04:09,926 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 [2021-06-07 04:04:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:09,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 04:04:10,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:10,148 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 11 treesize of output 7 [2021-06-07 04:04:10,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:10,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:10,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:10,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 04:04:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:10,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144227661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:10,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:10,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-07 04:04:10,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566042750] [2021-06-07 04:04:10,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 04:04:10,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:10,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 04:04:10,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-07 04:04:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:10,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:10,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-06-07 04:04:10,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:10,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:10,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:10,462 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:10,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:10,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1252351270, now seen corresponding path program 2 times [2021-06-07 04:04:10,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:10,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729666784] [2021-06-07 04:04:10,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-07 04:04:10,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:10,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729666784] [2021-06-07 04:04:10,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729666784] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 04:04:10,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 04:04:10,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 04:04:10,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85873803] [2021-06-07 04:04:10,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 04:04:10,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:10,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 04:04:10,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 04:04:10,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:10,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:10,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) 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) [2021-06-07 04:04:10,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:10,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:10,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:10,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 04:04:10,614 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1107744692, now seen corresponding path program 3 times [2021-06-07 04:04:10,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:10,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512896174] [2021-06-07 04:04:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:10,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:10,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512896174] [2021-06-07 04:04:10,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512896174] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:10,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945923375] [2021-06-07 04:04:10,663 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 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 [2021-06-07 04:04:10,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-07 04:04:10,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:10,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 04:04:10,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:10,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945923375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:10,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:10,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-06-07 04:04:10,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487539361] [2021-06-07 04:04:10,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 04:04:10,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:10,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 04:04:10,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-07 04:04:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:10,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:10,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:10,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:10,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:10,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:10,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:10,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:10,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:10,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:10,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:11,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:11,049 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:11,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:11,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1608348542, now seen corresponding path program 4 times [2021-06-07 04:04:11,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:11,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300441840] [2021-06-07 04:04:11,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:11,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:11,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300441840] [2021-06-07 04:04:11,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300441840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:11,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572835889] [2021-06-07 04:04:11,192 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 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 [2021-06-07 04:04:11,247 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:04:11,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:11,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-07 04:04:11,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:11,439 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-07 04:04:11,439 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 24 treesize of output 12 [2021-06-07 04:04:11,442 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:11,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:11,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:11,445 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:3 [2021-06-07 04:04:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:11,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572835889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:11,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:11,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-07 04:04:11,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5698508] [2021-06-07 04:04:11,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 04:04:11,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:11,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 04:04:11,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-06-07 04:04:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:11,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:11,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 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) [2021-06-07 04:04:11,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:11,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:11,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:11,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:11,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:11,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:11,852 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:11,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:11,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1553642364, now seen corresponding path program 5 times [2021-06-07 04:04:11,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:11,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616011595] [2021-06-07 04:04:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:11,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:11,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616011595] [2021-06-07 04:04:11,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616011595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:11,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646809405] [2021-06-07 04:04:11,915 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 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 [2021-06-07 04:04:11,972 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-07 04:04:11,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:11,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 04:04:11,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:12,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646809405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:12,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:12,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 8 [2021-06-07 04:04:12,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199507353] [2021-06-07 04:04:12,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 04:04:12,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:12,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 04:04:12,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-07 04:04:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:12,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:12,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 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) [2021-06-07 04:04:12,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:12,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:12,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:12,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:12,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:12,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:12,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-07 04:04:12,346 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1711302774, now seen corresponding path program 6 times [2021-06-07 04:04:12,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:12,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677416529] [2021-06-07 04:04:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:12,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:12,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677416529] [2021-06-07 04:04:12,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677416529] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:12,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318473249] [2021-06-07 04:04:12,516 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 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 [2021-06-07 04:04:12,573 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 04:04:12,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:12,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 04:04:12,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:12,965 INFO L354 Elim1Store]: treesize reduction 10, result has 83.6 percent of original size [2021-06-07 04:04:12,966 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 34 treesize of output 66 [2021-06-07 04:04:13,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-07 04:04:13,294 INFO L628 ElimStorePlain]: treesize reduction 133, result has 20.4 percent of original size [2021-06-07 04:04:13,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 04:04:13,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:23 [2021-06-07 04:04:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:13,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318473249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:13,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:13,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2021-06-07 04:04:13,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769288456] [2021-06-07 04:04:13,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 04:04:13,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:13,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 04:04:13,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-06-07 04:04:13,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:13,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:13,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 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) [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:14,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:14,193 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:14,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:14,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1765538680, now seen corresponding path program 7 times [2021-06-07 04:04:14,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:14,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562508554] [2021-06-07 04:04:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:14,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:14,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562508554] [2021-06-07 04:04:14,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562508554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:14,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037250387] [2021-06-07 04:04:14,316 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 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 [2021-06-07 04:04:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:14,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 04:04:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:14,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037250387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:14,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:14,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2021-06-07 04:04:14,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392857084] [2021-06-07 04:04:14,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 04:04:14,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:14,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 04:04:14,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-06-07 04:04:14,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:14,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:14,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:14,726 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:14,726 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:14,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:14,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1085372730, now seen corresponding path program 8 times [2021-06-07 04:04:14,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:14,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994080761] [2021-06-07 04:04:14,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:14,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:14,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994080761] [2021-06-07 04:04:14,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994080761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:14,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053431188] [2021-06-07 04:04:14,918 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 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 [2021-06-07 04:04:14,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:04:14,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:14,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-07 04:04:14,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:15,299 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-06-07 04:04:15,299 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 52 treesize of output 20 [2021-06-07 04:04:15,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:15,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:15,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:15,303 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:3 [2021-06-07 04:04:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:15,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053431188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:15,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:15,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-07 04:04:15,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237962291] [2021-06-07 04:04:15,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 04:04:15,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:15,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 04:04:15,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-07 04:04:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:15,332 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:15,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.85) internal successors, (77), 19 states have internal predecessors, (77), 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) [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:15,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:15,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:15,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-06-07 04:04:15,969 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:15,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:15,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1485060664, now seen corresponding path program 9 times [2021-06-07 04:04:15,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:15,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91702819] [2021-06-07 04:04:15,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:16,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:16,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91702819] [2021-06-07 04:04:16,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91702819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:16,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258248563] [2021-06-07 04:04:16,061 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 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 [2021-06-07 04:04:16,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 04:04:16,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:16,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 04:04:16,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 25 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:16,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258248563] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:16,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:16,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 12 [2021-06-07 04:04:16,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320940749] [2021-06-07 04:04:16,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 04:04:16,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:16,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 04:04:16,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-06-07 04:04:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:16,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:16,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 12 states have internal predecessors, (59), 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) [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:16,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:16,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:16,471 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:16,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:16,472 INFO L82 PathProgramCache]: Analyzing trace with hash 56761146, now seen corresponding path program 10 times [2021-06-07 04:04:16,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:16,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931995635] [2021-06-07 04:04:16,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:16,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:16,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931995635] [2021-06-07 04:04:16,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931995635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:16,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647725959] [2021-06-07 04:04:16,686 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 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 [2021-06-07 04:04:16,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:04:16,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:16,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-07 04:04:16,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:17,177 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-07 04:04:17,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 24 [2021-06-07 04:04:17,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:17,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:17,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:17,187 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:3 [2021-06-07 04:04:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:17,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647725959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:17,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:17,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-06-07 04:04:17,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449732838] [2021-06-07 04:04:17,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-07 04:04:17,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:17,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-07 04:04:17,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2021-06-07 04:04:17,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:17,228 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:17,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 23 states have internal predecessors, (87), 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) [2021-06-07 04:04:17,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:17,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:17,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:17,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:17,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:17,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:17,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:17,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:17,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:17,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:17,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:18,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:18,014 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:18,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:18,014 INFO L82 PathProgramCache]: Analyzing trace with hash 888933692, now seen corresponding path program 11 times [2021-06-07 04:04:18,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:18,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351560971] [2021-06-07 04:04:18,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 36 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:18,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:18,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351560971] [2021-06-07 04:04:18,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351560971] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:18,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168322488] [2021-06-07 04:04:18,124 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 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 [2021-06-07 04:04:18,176 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 04:04:18,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:18,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 04:04:18,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 36 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:18,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168322488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:18,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:18,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 14 [2021-06-07 04:04:18,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689936650] [2021-06-07 04:04:18,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 04:04:18,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:18,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 04:04:18,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2021-06-07 04:04:18,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:18,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:18,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.4) internal successors, (66), 14 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:18,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:18,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-06-07 04:04:18,581 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:18,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:18,581 INFO L82 PathProgramCache]: Analyzing trace with hash 659246858, now seen corresponding path program 12 times [2021-06-07 04:04:18,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:18,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193037097] [2021-06-07 04:04:18,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:19,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:19,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193037097] [2021-06-07 04:04:19,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193037097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:19,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181969465] [2021-06-07 04:04:19,094 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 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 [2021-06-07 04:04:19,142 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 04:04:19,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:19,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-07 04:04:19,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:19,727 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-06-07 04:04:19,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 28 [2021-06-07 04:04:19,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:19,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:19,732 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:19,733 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:3 [2021-06-07 04:04:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:19,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181969465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:19,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:19,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2021-06-07 04:04:19,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620444990] [2021-06-07 04:04:19,774 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-07 04:04:19,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:19,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-07 04:04:19,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2021-06-07 04:04:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:19,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:19,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 27 states have internal predecessors, (97), 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) [2021-06-07 04:04:19,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:19,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:19,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:19,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:19,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:19,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:20,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-07 04:04:20,809 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:20,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:20,809 INFO L82 PathProgramCache]: Analyzing trace with hash 57117964, now seen corresponding path program 13 times [2021-06-07 04:04:20,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:20,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143858499] [2021-06-07 04:04:20,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 49 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:20,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:20,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143858499] [2021-06-07 04:04:20,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143858499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:20,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776255312] [2021-06-07 04:04:20,952 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 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 [2021-06-07 04:04:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:20,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-07 04:04:20,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 49 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:21,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776255312] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:21,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:21,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 16 [2021-06-07 04:04:21,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183806278] [2021-06-07 04:04:21,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 04:04:21,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:21,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 04:04:21,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2021-06-07 04:04:21,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:21,119 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:21,119 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 16 states have internal predecessors, (73), 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) [2021-06-07 04:04:21,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:21,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:21,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-07 04:04:21,427 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:21,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:21,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1962884094, now seen corresponding path program 14 times [2021-06-07 04:04:21,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:21,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309884431] [2021-06-07 04:04:21,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:21,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:21,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309884431] [2021-06-07 04:04:21,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309884431] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:21,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939378725] [2021-06-07 04:04:21,737 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 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 [2021-06-07 04:04:21,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:04:21,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:21,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 04:04:21,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:22,454 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-07 04:04:22,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 32 [2021-06-07 04:04:22,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:22,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:22,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:22,459 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:3 [2021-06-07 04:04:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:22,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939378725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:22,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:22,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2021-06-07 04:04:22,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868721356] [2021-06-07 04:04:22,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-07 04:04:22,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:22,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-07 04:04:22,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2021-06-07 04:04:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:22,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:22,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.34375) internal successors, (107), 31 states have internal predecessors, (107), 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) [2021-06-07 04:04:22,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:22,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:22,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:22,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:23,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:23,573 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:23,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:23,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1277948672, now seen corresponding path program 15 times [2021-06-07 04:04:23,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:23,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3293488] [2021-06-07 04:04:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 64 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:23,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:23,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3293488] [2021-06-07 04:04:23,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3293488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:23,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677802184] [2021-06-07 04:04:23,736 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 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 [2021-06-07 04:04:23,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-07 04:04:23,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:23,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 04:04:23,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 64 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:23,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677802184] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:23,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:23,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 18 [2021-06-07 04:04:23,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354972251] [2021-06-07 04:04:23,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 04:04:23,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:23,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 04:04:23,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2021-06-07 04:04:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:23,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:23,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 18 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:23,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:23,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:24,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:24,221 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:24,221 INFO L82 PathProgramCache]: Analyzing trace with hash 818799950, now seen corresponding path program 16 times [2021-06-07 04:04:24,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:24,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024829083] [2021-06-07 04:04:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:24,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:24,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024829083] [2021-06-07 04:04:24,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024829083] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:24,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644887314] [2021-06-07 04:04:24,600 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 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 [2021-06-07 04:04:24,640 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:04:24,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:24,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-07 04:04:24,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:25,522 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-06-07 04:04:25,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 36 [2021-06-07 04:04:25,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:25,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:25,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:25,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:96, output treesize:3 [2021-06-07 04:04:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:25,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644887314] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:25,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:25,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2021-06-07 04:04:25,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555127239] [2021-06-07 04:04:25,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-07 04:04:25,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:25,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-07 04:04:25,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1160, Unknown=0, NotChecked=0, Total=1260 [2021-06-07 04:04:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:25,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:25,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 3.25) internal successors, (117), 35 states have internal predecessors, (117), 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) [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:25,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:26,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:26,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:26,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:26,921 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:26,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1231183280, now seen corresponding path program 17 times [2021-06-07 04:04:26,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:26,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142665129] [2021-06-07 04:04:26,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 81 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:27,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:27,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142665129] [2021-06-07 04:04:27,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142665129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:27,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394534361] [2021-06-07 04:04:27,101 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 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 [2021-06-07 04:04:27,150 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-07 04:04:27,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:27,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-07 04:04:27,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 81 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:27,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394534361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:27,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:27,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 20 [2021-06-07 04:04:27,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308404495] [2021-06-07 04:04:27,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 04:04:27,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:27,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 04:04:27,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2021-06-07 04:04:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:27,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:27,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.142857142857143) internal successors, (87), 20 states have internal predecessors, (87), 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) [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:27,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:27,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:27,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-06-07 04:04:27,613 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:27,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:27,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1994077502, now seen corresponding path program 18 times [2021-06-07 04:04:27,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:27,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362700342] [2021-06-07 04:04:27,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:28,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:28,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362700342] [2021-06-07 04:04:28,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362700342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:28,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234469706] [2021-06-07 04:04:28,090 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 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 [2021-06-07 04:04:28,136 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-07 04:04:28,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:28,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-07 04:04:28,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:29,277 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-06-07 04:04:29,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 112 treesize of output 40 [2021-06-07 04:04:29,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:29,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:29,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:29,284 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:112, output treesize:3 [2021-06-07 04:04:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:29,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234469706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:29,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:29,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2021-06-07 04:04:29,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37015616] [2021-06-07 04:04:29,329 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-07 04:04:29,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:29,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-07 04:04:29,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1448, Unknown=0, NotChecked=0, Total=1560 [2021-06-07 04:04:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:29,330 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:29,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 3.175) internal successors, (127), 39 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) [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:30,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-07 04:04:30,921 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:30,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:30,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1422981828, now seen corresponding path program 19 times [2021-06-07 04:04:30,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:30,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061183218] [2021-06-07 04:04:30,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 100 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:31,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:31,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061183218] [2021-06-07 04:04:31,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061183218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:31,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347204840] [2021-06-07 04:04:31,109 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 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 [2021-06-07 04:04:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:31,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 04:04:31,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 100 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:31,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347204840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:31,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:31,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 11] total 22 [2021-06-07 04:04:31,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875389985] [2021-06-07 04:04:31,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 04:04:31,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:31,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 04:04:31,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2021-06-07 04:04:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:31,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:31,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.086956521739131) internal successors, (94), 22 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) [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:31,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:31,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:31,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:31,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:31,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:31,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:31,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:31,671 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:31,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:31,671 INFO L82 PathProgramCache]: Analyzing trace with hash 51071378, now seen corresponding path program 20 times [2021-06-07 04:04:31,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:31,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418403347] [2021-06-07 04:04:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:32,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:32,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418403347] [2021-06-07 04:04:32,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418403347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:32,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789285165] [2021-06-07 04:04:32,147 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 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 [2021-06-07 04:04:32,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:04:32,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:32,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-07 04:04:32,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:33,600 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2021-06-07 04:04:33,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 124 treesize of output 44 [2021-06-07 04:04:33,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:33,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:33,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:33,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:124, output treesize:3 [2021-06-07 04:04:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:33,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789285165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:33,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:33,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2021-06-07 04:04:33,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465280733] [2021-06-07 04:04:33,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-07 04:04:33,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:33,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-07 04:04:33,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1768, Unknown=0, NotChecked=0, Total=1892 [2021-06-07 04:04:33,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:33,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:33,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.1136363636363638) internal successors, (137), 43 states have internal predecessors, (137), 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) [2021-06-07 04:04:33,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:33,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:33,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:33,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:35,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:35,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-06-07 04:04:35,645 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:35,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:35,645 INFO L82 PathProgramCache]: Analyzing trace with hash -283966060, now seen corresponding path program 21 times [2021-06-07 04:04:35,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:35,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013618117] [2021-06-07 04:04:35,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 121 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:35,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:35,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013618117] [2021-06-07 04:04:35,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013618117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:35,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508905557] [2021-06-07 04:04:35,888 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 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 [2021-06-07 04:04:35,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-07 04:04:35,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:35,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-07 04:04:35,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 121 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:36,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508905557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:36,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:36,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12] total 24 [2021-06-07 04:04:36,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441481018] [2021-06-07 04:04:36,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 04:04:36,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:36,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 04:04:36,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=366, Unknown=0, NotChecked=0, Total=600 [2021-06-07 04:04:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:36,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:36,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 4.04) internal successors, (101), 24 states have internal predecessors, (101), 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) [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:36,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:36,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:36,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:36,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:36,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:36,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-07 04:04:36,395 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:36,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:36,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1902131322, now seen corresponding path program 22 times [2021-06-07 04:04:36,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:36,396 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744555582] [2021-06-07 04:04:36,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:37,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:37,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744555582] [2021-06-07 04:04:37,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744555582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:37,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578188763] [2021-06-07 04:04:37,013 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 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 [2021-06-07 04:04:37,055 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:04:37,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:37,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-07 04:04:37,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:38,647 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-06-07 04:04:38,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 132 treesize of output 48 [2021-06-07 04:04:38,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:38,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:38,652 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:38,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:3 [2021-06-07 04:04:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:38,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578188763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:38,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:38,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2021-06-07 04:04:38,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249540397] [2021-06-07 04:04:38,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-07 04:04:38,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:38,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-07 04:04:38,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2120, Unknown=0, NotChecked=0, Total=2256 [2021-06-07 04:04:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:38,700 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:38,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 3.0625) internal successors, (147), 47 states have internal predecessors, (147), 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) [2021-06-07 04:04:38,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:38,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:38,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:38,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:38,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:38,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:40,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:40,826 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:40,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:40,826 INFO L82 PathProgramCache]: Analyzing trace with hash -411052408, now seen corresponding path program 23 times [2021-06-07 04:04:40,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:40,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154986371] [2021-06-07 04:04:40,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 144 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:41,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:41,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154986371] [2021-06-07 04:04:41,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154986371] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:41,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427436820] [2021-06-07 04:04:41,169 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 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 [2021-06-07 04:04:41,229 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-07 04:04:41,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:41,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-07 04:04:41,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 144 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:41,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427436820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:41,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:41,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 13] total 26 [2021-06-07 04:04:41,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599095280] [2021-06-07 04:04:41,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-07 04:04:41,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:41,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-07 04:04:41,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2021-06-07 04:04:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:41,360 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:41,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 4.0) internal successors, (108), 26 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:41,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:41,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:41,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:41,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-07 04:04:41,753 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:41,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:41,753 INFO L82 PathProgramCache]: Analyzing trace with hash 330857430, now seen corresponding path program 24 times [2021-06-07 04:04:41,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:41,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630559571] [2021-06-07 04:04:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:42,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:42,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630559571] [2021-06-07 04:04:42,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630559571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:42,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471025669] [2021-06-07 04:04:42,555 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 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 [2021-06-07 04:04:42,604 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-06-07 04:04:42,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:42,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-07 04:04:42,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:44,757 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:44,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 99 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 6 case distinctions, treesize of input 148 treesize of output 124 [2021-06-07 04:04:44,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-07 04:04:44,872 INFO L628 ElimStorePlain]: treesize reduction 10, result has 64.3 percent of original size [2021-06-07 04:04:44,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:44,873 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:153, output treesize:18 [2021-06-07 04:04:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 9 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:45,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471025669] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:45,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:45,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 52 [2021-06-07 04:04:45,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736505623] [2021-06-07 04:04:45,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-07 04:04:45,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:45,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-07 04:04:45,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2600, Unknown=0, NotChecked=0, Total=2756 [2021-06-07 04:04:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:45,047 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:45,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.9622641509433962) internal successors, (157), 52 states have internal predecessors, (157), 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) [2021-06-07 04:04:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:45,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:45,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:46,346 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-06-07 04:04:46,608 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:48,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:48,648 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:48,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:48,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1992509736, now seen corresponding path program 25 times [2021-06-07 04:04:48,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:48,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122239696] [2021-06-07 04:04:48,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 169 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:48,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:48,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122239696] [2021-06-07 04:04:48,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122239696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:48,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983384751] [2021-06-07 04:04:48,973 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 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 [2021-06-07 04:04:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:49,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-07 04:04:49,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 169 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:49,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983384751] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:49,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:49,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 14] total 28 [2021-06-07 04:04:49,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568418] [2021-06-07 04:04:49,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 04:04:49,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:49,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 04:04:49,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2021-06-07 04:04:49,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:49,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:49,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.9655172413793105) internal successors, (115), 28 states have internal predecessors, (115), 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) [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:49,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:49,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:49,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:49,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2021-06-07 04:04:49,565 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:49,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:49,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1421685322, now seen corresponding path program 26 times [2021-06-07 04:04:49,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:49,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058176949] [2021-06-07 04:04:49,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:50,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:50,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058176949] [2021-06-07 04:04:50,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058176949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:50,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660601340] [2021-06-07 04:04:50,515 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 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 [2021-06-07 04:04:50,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:04:50,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:50,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-07 04:04:50,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:52,957 INFO L354 Elim1Store]: treesize reduction 936, result has 0.1 percent of original size [2021-06-07 04:04:52,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 160 treesize of output 56 [2021-06-07 04:04:52,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:52,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:52,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:52,961 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:160, output treesize:3 [2021-06-07 04:04:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:53,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660601340] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:53,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:53,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 55 [2021-06-07 04:04:53,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366531317] [2021-06-07 04:04:53,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-06-07 04:04:53,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:53,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-06-07 04:04:53,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2920, Unknown=0, NotChecked=0, Total=3080 [2021-06-07 04:04:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:53,018 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:53,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 2.982142857142857) internal successors, (167), 55 states have internal predecessors, (167), 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) [2021-06-07 04:04:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:53,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:53,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:53,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:53,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:56,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:56,593 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:56,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:56,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1678925748, now seen corresponding path program 27 times [2021-06-07 04:04:56,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:56,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856272994] [2021-06-07 04:04:56,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 196 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:56,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:56,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856272994] [2021-06-07 04:04:56,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856272994] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:56,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020760437] [2021-06-07 04:04:56,914 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 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 [2021-06-07 04:04:56,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-07 04:04:56,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:56,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-07 04:04:56,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 196 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:57,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020760437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:57,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:57,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15] total 30 [2021-06-07 04:04:57,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276673866] [2021-06-07 04:04:57,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 04:04:57,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:57,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 04:04:57,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2021-06-07 04:04:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:57,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:57,124 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.935483870967742) internal successors, (122), 30 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:57,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:57,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:04:57,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-06-07 04:04:57,551 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:57,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:57,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1492485094, now seen corresponding path program 28 times [2021-06-07 04:04:57,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:57,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235352249] [2021-06-07 04:04:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:58,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:58,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235352249] [2021-06-07 04:04:58,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235352249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:58,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622567639] [2021-06-07 04:04:58,691 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 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 [2021-06-07 04:04:58,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:04:58,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:58,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 87 conjunts are in the unsatisfiable core [2021-06-07 04:04:58,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:01,488 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-06-07 04:05:01,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 168 treesize of output 60 [2021-06-07 04:05:01,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:05:01,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:05:01,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:05:01,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:3 [2021-06-07 04:05:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:01,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622567639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:01,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:01,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2021-06-07 04:05:01,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482031983] [2021-06-07 04:05:01,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-07 04:05:01,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-07 04:05:01,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=3368, Unknown=0, NotChecked=0, Total=3540 [2021-06-07 04:05:01,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:01,555 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:01,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.95) internal successors, (177), 59 states have internal predecessors, (177), 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) [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:05,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:05,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:05,841 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:05,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:05,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1878018532, now seen corresponding path program 29 times [2021-06-07 04:05:05,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:05,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007529289] [2021-06-07 04:05:05,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 225 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:06,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:06,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007529289] [2021-06-07 04:05:06,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007529289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:06,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531519846] [2021-06-07 04:05:06,218 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 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 [2021-06-07 04:05:06,277 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-07 04:05:06,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:06,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-07 04:05:06,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 225 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:06,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531519846] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:06,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:06,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 16] total 32 [2021-06-07 04:05:06,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094523463] [2021-06-07 04:05:06,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 04:05:06,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:06,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 04:05:06,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=648, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 04:05:06,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:06,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:06,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.909090909090909) internal successors, (129), 32 states have internal predecessors, (129), 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) [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:06,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:06,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:06,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-06-07 04:05:06,864 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:06,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:06,864 INFO L82 PathProgramCache]: Analyzing trace with hash 726272782, now seen corresponding path program 30 times [2021-06-07 04:05:06,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:06,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861597027] [2021-06-07 04:05:06,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:07,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:07,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861597027] [2021-06-07 04:05:07,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861597027] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:07,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028132124] [2021-06-07 04:05:07,964 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:08,023 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-07 04:05:08,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:08,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 95 conjunts are in the unsatisfiable core [2021-06-07 04:05:08,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:11,333 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-06-07 04:05:11,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 184 treesize of output 64 [2021-06-07 04:05:11,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:05:11,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:05:11,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:05:11,337 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:184, output treesize:3 [2021-06-07 04:05:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:11,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028132124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:11,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:11,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2021-06-07 04:05:11,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440448028] [2021-06-07 04:05:11,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-07 04:05:11,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:11,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-07 04:05:11,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=3848, Unknown=0, NotChecked=0, Total=4032 [2021-06-07 04:05:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:11,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:11,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.921875) internal successors, (187), 63 states have internal predecessors, (187), 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) [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:16,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:16,121 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:16,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:16,121 INFO L82 PathProgramCache]: Analyzing trace with hash 44521488, now seen corresponding path program 31 times [2021-06-07 04:05:16,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:16,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212259351] [2021-06-07 04:05:16,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 256 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:16,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:16,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212259351] [2021-06-07 04:05:16,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212259351] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:16,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984826399] [2021-06-07 04:05:16,507 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:16,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 04:05:16,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 256 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:16,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984826399] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:16,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:16,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 17] total 34 [2021-06-07 04:05:16,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375356932] [2021-06-07 04:05:16,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-07 04:05:16,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:16,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-07 04:05:16,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2021-06-07 04:05:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:16,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:16,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.8857142857142857) internal successors, (136), 34 states have internal predecessors, (136), 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) [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:16,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:16,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:17,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-07 04:05:17,133 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:17,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:17,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1337346654, now seen corresponding path program 32 times [2021-06-07 04:05:17,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:17,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284752187] [2021-06-07 04:05:17,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:18,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:18,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284752187] [2021-06-07 04:05:18,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284752187] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:18,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403760135] [2021-06-07 04:05:18,327 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:18,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:05:18,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:18,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-07 04:05:18,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:22,095 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2021-06-07 04:05:22,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 196 treesize of output 68 [2021-06-07 04:05:22,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:05:22,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:05:22,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:05:22,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:196, output treesize:3 [2021-06-07 04:05:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:22,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403760135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:22,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:22,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 67 [2021-06-07 04:05:22,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486426673] [2021-06-07 04:05:22,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-06-07 04:05:22,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:22,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-06-07 04:05:22,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=4360, Unknown=0, NotChecked=0, Total=4556 [2021-06-07 04:05:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:22,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:22,194 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 2.8970588235294117) internal successors, (197), 67 states have internal predecessors, (197), 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) [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:27,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-06-07 04:05:27,312 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:27,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:27,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1124007072, now seen corresponding path program 33 times [2021-06-07 04:05:27,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:27,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091542051] [2021-06-07 04:05:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 289 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:27,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:27,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091542051] [2021-06-07 04:05:27,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091542051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:27,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973775414] [2021-06-07 04:05:27,748 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:27,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-06-07 04:05:27,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:27,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-07 04:05:27,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 289 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:27,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973775414] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:27,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:27,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 18] total 36 [2021-06-07 04:05:27,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146255046] [2021-06-07 04:05:27,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-07 04:05:27,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:27,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-07 04:05:27,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=819, Unknown=0, NotChecked=0, Total=1332 [2021-06-07 04:05:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:27,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:27,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.864864864864865) internal successors, (143), 36 states have internal predecessors, (143), 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) [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:28,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:28,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-06-07 04:05:28,409 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:28,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:28,409 INFO L82 PathProgramCache]: Analyzing trace with hash -493661742, now seen corresponding path program 34 times [2021-06-07 04:05:28,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:28,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279664852] [2021-06-07 04:05:28,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 714 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:29,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:29,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279664852] [2021-06-07 04:05:29,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279664852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:29,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851170333] [2021-06-07 04:05:29,885 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:29,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:05:29,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:29,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 105 conjunts are in the unsatisfiable core [2021-06-07 04:05:29,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:34,284 INFO L354 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2021-06-07 04:05:34,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 204 treesize of output 72 [2021-06-07 04:05:34,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:05:34,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:05:34,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:05:34,290 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:204, output treesize:3 [2021-06-07 04:05:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 714 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:34,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851170333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:34,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:34,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2021-06-07 04:05:34,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834348946] [2021-06-07 04:05:34,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-06-07 04:05:34,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:34,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-06-07 04:05:34,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=4904, Unknown=0, NotChecked=0, Total=5112 [2021-06-07 04:05:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:34,368 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:34,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 2.875) internal successors, (207), 71 states have internal predecessors, (207), 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) [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:34,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:39,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:39,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-06-07 04:05:39,693 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:39,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:39,693 INFO L82 PathProgramCache]: Analyzing trace with hash 213515732, now seen corresponding path program 35 times [2021-06-07 04:05:39,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:39,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677404791] [2021-06-07 04:05:39,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 324 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:40,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:40,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677404791] [2021-06-07 04:05:40,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677404791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:40,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467509927] [2021-06-07 04:05:40,152 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:40,211 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-06-07 04:05:40,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:40,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-07 04:05:40,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 324 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:40,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467509927] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:40,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:05:40,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 19] total 38 [2021-06-07 04:05:40,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576435641] [2021-06-07 04:05:40,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-07 04:05:40,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:05:40,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-07 04:05:40,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2021-06-07 04:05:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:40,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:05:40,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.8461538461538463) internal successors, (150), 38 states have internal predecessors, (150), 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) [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:40,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:40,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:05:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 04:05:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-07 04:05:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-07 04:05:40,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:40,819 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:05:40,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:05:40,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1861281442, now seen corresponding path program 36 times [2021-06-07 04:05:40,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:05:40,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999988561] [2021-06-07 04:05:40,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:05:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:05:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:05:42,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:05:42,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999988561] [2021-06-07 04:05:42,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999988561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:05:42,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599618229] [2021-06-07 04:05:42,364 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:05:42,427 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-06-07 04:05:42,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:05:42,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 112 conjunts are in the unsatisfiable core [2021-06-07 04:05:42,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:05:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:05:47,718 INFO L244 Elim1Store]: Index analysis took 301 ms [2021-06-07 04:05:50,704 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 706 [2021-06-07 04:05:50,704 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:05:50,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 309 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 156 case distinctions, treesize of input 218 treesize of output 1912 [2021-06-07 04:05:52,036 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2021-06-07 04:05:52,195 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-06-07 04:05:52,382 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-06-07 04:05:52,642 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 653 [2021-06-07 04:05:53,079 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 770 [2021-06-07 04:05:53,369 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 632 [2021-06-07 04:05:53,649 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 593 [2021-06-07 04:05:53,849 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 565 [2021-06-07 04:05:54,280 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 601 [2021-06-07 04:05:54,392 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 499 [2021-06-07 04:05:54,992 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 331 [2021-06-07 04:05:55,566 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 552 [2021-06-07 04:05:56,008 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 434 [2021-06-07 04:05:56,174 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 500 [2021-06-07 04:05:56,530 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 867 [2021-06-07 04:05:57,158 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1202 [2021-06-07 04:05:58,082 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 1390 DAG size of output: 1377 [2021-06-07 04:05:58,194 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 536 [2021-06-07 04:05:59,090 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2021-06-07 04:05:59,686 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-06-07 04:06:00,303 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 723 [2021-06-07 04:06:00,945 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 509 [2021-06-07 04:06:01,173 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 640 [2021-06-07 04:06:01,868 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 397 [2021-06-07 04:06:02,111 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 433 [2021-06-07 04:06:03,156 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 707 [2021-06-07 04:06:03,748 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 1028 [2021-06-07 04:06:04,284 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 583 [2021-06-07 04:06:04,619 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 384 [2021-06-07 04:06:04,890 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 826 DAG size of output: 822 [2021-06-07 04:06:05,709 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 616 [2021-06-07 04:06:05,976 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 726 [2021-06-07 04:06:07,473 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1734 DAG size of output: 1714 [2021-06-07 04:06:10,442 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 2538 DAG size of output: 2520 [2021-06-07 04:06:14,242 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 2719 DAG size of output: 2703 [2021-06-07 04:06:14,408 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 498 [2021-06-07 04:06:15,224 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 617 [2021-06-07 04:06:15,621 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 866 [2021-06-07 04:06:16,074 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1024 [2021-06-07 04:06:16,735 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1176 [2021-06-07 04:06:16,845 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 494 [2021-06-07 04:06:17,905 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 583 [2021-06-07 04:06:18,292 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-06-07 04:06:19,242 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 1021 DAG size of output: 1016 [2021-06-07 04:06:20,384 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 1340 DAG size of output: 1334 [2021-06-07 04:06:21,619 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1513 DAG size of output: 1509 [2021-06-07 04:06:22,140 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 453 [2021-06-07 04:06:22,799 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 722 [2021-06-07 04:06:23,305 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 443 [2021-06-07 04:06:23,510 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 510 [2021-06-07 04:06:23,774 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 587 [2021-06-07 04:06:24,416 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1083 [2021-06-07 04:06:26,007 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1440 DAG size of output: 1445 [2021-06-07 04:06:35,734 WARN L205 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 4414 DAG size of output: 4365 [2021-06-07 04:06:35,894 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 558 [2021-06-07 04:06:36,075 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 433 [2021-06-07 04:06:36,191 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 350 [2021-06-07 04:06:36,630 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 491 [2021-06-07 04:06:36,850 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2021-06-07 04:06:37,416 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2021-06-07 04:06:37,839 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 608 [2021-06-07 04:06:38,862 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 610 [2021-06-07 04:06:39,069 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 690 [2021-06-07 04:06:39,494 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1013 [2021-06-07 04:06:40,475 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 1410 DAG size of output: 1408 [2021-06-07 04:06:40,946 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 538 [2021-06-07 04:06:41,096 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 615 [2021-06-07 04:06:42,891 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1722 DAG size of output: 1722 [2021-06-07 04:06:45,263 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1908 DAG size of output: 1910 [2021-06-07 04:07:00,340 WARN L205 SmtUtils]: Spent 15.06 s on a formula simplification. DAG size of input: 5097 DAG size of output: 5039 [2021-06-07 04:07:18,632 WARN L205 SmtUtils]: Spent 18.27 s on a formula simplification. DAG size of input: 5294 DAG size of output: 5236 [2021-06-07 04:07:40,730 WARN L205 SmtUtils]: Spent 22.07 s on a formula simplification. DAG size of input: 5485 DAG size of output: 5427 [2021-06-07 04:08:07,119 WARN L205 SmtUtils]: Spent 26.36 s on a formula simplification. DAG size of input: 5710 DAG size of output: 5652 [2021-06-07 04:08:33,411 WARN L205 SmtUtils]: Spent 26.26 s on a formula simplification. DAG size of input: 5710 DAG size of output: 5652 [2021-06-07 04:09:03,358 WARN L205 SmtUtils]: Spent 29.75 s on a formula simplification. DAG size of input: 5727 DAG size of output: 5669 [2021-06-07 04:09:47,054 WARN L205 SmtUtils]: Spent 43.65 s on a formula simplification. DAG size of input: 5671 DAG size of output: 6458 [2021-06-07 04:10:30,597 WARN L205 SmtUtils]: Spent 43.49 s on a formula simplification. DAG size of input: 5384 DAG size of output: 6325 [2021-06-07 04:11:00,733 WARN L205 SmtUtils]: Spent 30.07 s on a formula simplification. DAG size of input: 5229 DAG size of output: 5647 [2021-06-07 04:11:01,824 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 5191 [2021-06-07 04:11:04,701 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 4985 DAG size of output: 4985 [2021-06-07 04:11:04,830 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 370 [2021-06-07 04:11:04,958 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 349 [2021-06-07 04:11:05,084 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 351 [2021-06-07 04:11:05,751 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 481 [2021-06-07 04:11:05,954 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 628 [2021-06-07 04:11:06,295 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 759 [2021-06-07 04:11:06,826 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 874 DAG size of output: 878 [2021-06-07 04:11:07,619 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 995 [2021-06-07 04:11:08,753 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1129 [2021-06-07 04:11:24,403 WARN L205 SmtUtils]: Spent 15.62 s on a formula simplification. DAG size of input: 4810 DAG size of output: 5138 [2021-06-07 04:11:41,538 WARN L205 SmtUtils]: Spent 17.09 s on a formula simplification. DAG size of input: 4782 DAG size of output: 6079 [2021-06-07 04:11:42,880 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 4020 DAG size of output: 4020 [2021-06-07 04:11:43,458 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 1029 [2021-06-07 04:11:44,369 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 930 DAG size of output: 898 [2021-06-07 04:11:44,647 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1266 DAG size of output: 1234 [2021-06-07 04:11:45,267 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 556 [2021-06-07 04:11:45,832 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 1651 DAG size of output: 1622 [2021-06-07 04:11:46,341 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 536 [2021-06-07 04:11:47,279 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 1957 DAG size of output: 1929 [2021-06-07 04:11:48,892 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 2520 DAG size of output: 2491 [2021-06-07 04:11:49,932 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 674 [2021-06-07 04:11:50,539 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 870 [2021-06-07 04:11:50,953 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 2004 DAG size of output: 2004 [2021-06-07 04:11:51,186 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 1396 [2021-06-07 04:11:51,806 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 548 [2021-06-07 04:11:53,462 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 586 [2021-06-07 04:11:54,212 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 1570 DAG size of output: 1576 [2021-06-07 04:11:55,020 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 628 [2021-06-07 04:11:55,808 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 595 [2021-06-07 04:11:56,886 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1570 [2021-06-07 04:11:57,129 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 657 [2021-06-07 04:11:58,443 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 894 [2021-06-07 04:11:58,888 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 1064 [2021-06-07 04:11:59,697 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1524 [2021-06-07 04:12:02,640 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 3335 DAG size of output: 3266 [2021-06-07 04:12:02,789 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 580 [2021-06-07 04:12:03,268 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 607 [2021-06-07 04:12:03,609 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 530 [2021-06-07 04:12:04,131 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 605 [2021-06-07 04:12:04,632 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1228 [2021-06-07 04:12:05,522 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1560 [2021-06-07 04:12:06,122 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 587 [2021-06-07 04:12:06,769 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 676 [2021-06-07 04:12:07,166 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 511 [2021-06-07 04:12:07,575 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 1015 DAG size of output: 1004 [2021-06-07 04:12:08,301 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1294 [2021-06-07 04:12:14,140 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 5141 DAG size of output: 5107 [2021-06-07 04:12:14,523 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1504 [2021-06-07 04:12:15,712 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 675 [2021-06-07 04:12:16,167 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 872 [2021-06-07 04:12:16,394 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 1339 [2021-06-07 04:12:17,310 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 747 [2021-06-07 04:12:18,098 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 634 [2021-06-07 04:12:18,664 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-06-07 04:12:19,206 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 679 [2021-06-07 04:12:19,531 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1041 DAG size of output: 1045 [2021-06-07 04:12:20,248 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 1436 [2021-06-07 04:12:20,785 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 503 [2021-06-07 04:12:21,295 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 475 [2021-06-07 04:12:21,945 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 786 [2021-06-07 04:12:22,609 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 1122 DAG size of output: 1144 [2021-06-07 04:12:23,317 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2021-06-07 04:12:24,042 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 634 [2021-06-07 04:12:24,488 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 1159 [2021-06-07 04:12:25,115 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 1327 DAG size of output: 1319 [2021-06-07 04:12:26,214 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 1093 [2021-06-07 04:12:27,278 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1525 [2021-06-07 04:12:27,825 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-06-07 04:12:28,008 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 583 [2021-06-07 04:12:28,750 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 843 [2021-06-07 04:12:29,018 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 1084 [2021-06-07 04:12:29,644 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 1442 DAG size of output: 1428 [2021-06-07 04:12:30,303 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 696 [2021-06-07 04:12:35,269 WARN L205 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 3904 DAG size of output: 4026 [2021-06-07 04:12:41,944 WARN L205 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 4447 DAG size of output: 4590 [2021-06-07 04:12:42,699 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 607 [2021-06-07 04:12:43,346 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 754 [2021-06-07 04:12:43,520 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 1147 [2021-06-07 04:12:44,552 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 773 [2021-06-07 04:12:45,246 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 662 [2021-06-07 04:12:45,794 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 1226 [2021-06-07 04:12:46,903 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 1119 [2021-06-07 04:12:47,508 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 637 [2021-06-07 04:12:47,817 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 867 [2021-06-07 04:12:49,388 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 2507 DAG size of output: 2490 [2021-06-07 04:12:49,867 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 538 [2021-06-07 04:12:50,482 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 921 [2021-06-07 04:12:51,019 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 587 [2021-06-07 04:12:51,260 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 717 [2021-06-07 04:12:51,602 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 781 [2021-06-07 04:12:54,482 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 3388 DAG size of output: 3413 [2021-06-07 04:12:54,687 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1193 DAG size of output: 1193 [2021-06-07 04:12:54,847 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 1037 [2021-06-07 04:12:55,492 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 742 [2021-06-07 04:12:55,789 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 443 [2021-06-07 04:12:55,902 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-06-07 04:12:57,070 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 1037 [2021-06-07 04:12:58,319 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1131 [2021-06-07 04:12:59,262 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1027 [2021-06-07 04:13:00,527 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 2339 DAG size of output: 2313 [2021-06-07 04:13:02,612 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 3008 DAG size of output: 3001 [2021-06-07 04:13:03,821 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 674 [2021-06-07 04:13:04,262 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 871 [2021-06-07 04:13:07,483 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 3573 DAG size of output: 3593 [2021-06-07 04:13:07,653 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-06-07 04:13:07,768 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 926 [2021-06-07 04:13:08,049 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 324 [2021-06-07 04:13:08,314 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 484 [2021-06-07 04:13:09,906 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 523 [2021-06-07 04:13:10,853 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1740 [2021-06-07 04:13:11,554 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 622 [2021-06-07 04:13:12,080 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 591 [2021-06-07 04:13:13,836 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 2417 DAG size of output: 2462 [2021-06-07 04:13:14,806 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 674 [2021-06-07 04:13:15,420 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 869 [2021-06-07 04:13:18,226 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 2982 DAG size of output: 3046 [2021-06-07 04:13:48,814 WARN L205 SmtUtils]: Spent 30.55 s on a formula simplification. DAG size of input: 11024 DAG size of output: 12392 [2021-06-07 04:14:37,219 WARN L205 SmtUtils]: Spent 48.28 s on a formula simplification. DAG size of input: 14973 DAG size of output: 16195 [2021-06-07 04:15:54,333 WARN L205 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 18366 DAG size of output: 19810 [2021-06-07 04:17:23,435 WARN L205 SmtUtils]: Spent 1.48 m on a formula simplification. DAG size of input: 19052 DAG size of output: 20500 [2021-06-07 04:17:23,816 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 615 [2021-06-07 04:17:24,117 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 541 [2021-06-07 04:17:24,329 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 487 [2021-06-07 04:17:24,495 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 446 [2021-06-07 04:17:24,713 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 334 [2021-06-07 04:17:25,395 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 522 [2021-06-07 04:17:25,796 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 529 [2021-06-07 04:17:26,236 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 492 [2021-06-07 04:17:26,751 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 565 [2021-06-07 04:17:27,216 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 571 [2021-06-07 04:17:27,644 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 519 [2021-06-07 04:17:28,733 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1360 DAG size of output: 1414 [2021-06-07 04:17:30,214 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1504 DAG size of output: 1558 [2021-06-07 04:17:30,757 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 425 [2021-06-07 04:17:32,815 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1658 DAG size of output: 1726 [2021-06-07 04:17:35,491 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 1815 DAG size of output: 1879 [2021-06-07 04:17:38,910 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1984 DAG size of output: 2048 [2021-06-07 04:17:43,196 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 2180 DAG size of output: 2241 [2021-06-07 04:17:44,229 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 368 [2021-06-07 04:17:44,708 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 510 [2021-06-07 04:17:45,165 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 554 [2021-06-07 04:17:46,184 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 511 [2021-06-07 04:17:46,654 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 586 [2021-06-07 04:17:47,852 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 847 DAG size of output: 967 [2021-06-07 04:17:49,391 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 936 DAG size of output: 1056 [2021-06-07 04:17:51,314 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1047 DAG size of output: 1165 [2021-06-07 04:17:51,875 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 320 [2021-06-07 04:17:52,070 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 398 [2021-06-07 04:17:52,316 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 479 [2021-06-07 04:17:52,648 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 569 [2021-06-07 04:17:55,447 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1375 [2021-06-07 04:17:55,681 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 589 [2021-06-07 04:17:55,799 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 492 [2021-06-07 04:17:56,016 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 399 [2021-06-07 04:17:56,719 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 492 [2021-06-07 04:17:57,297 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 614 [2021-06-07 04:17:57,857 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 719 [2021-06-07 04:17:58,015 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 349 [2021-06-07 04:17:58,672 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-06-07 04:17:58,911 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 643 [2021-06-07 04:18:00,033 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 664 [2021-06-07 04:18:00,472 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 778 [2021-06-07 04:18:01,154 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 565 [2021-06-07 04:18:01,508 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 657 [2021-06-07 04:18:01,988 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 768 [2021-06-07 04:18:02,564 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 463 [2021-06-07 04:18:03,852 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 777 [2021-06-07 04:18:04,293 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 870 [2021-06-07 04:18:05,678 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 674 [2021-06-07 04:18:06,107 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 788 [2021-06-07 04:18:06,923 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 450 [2021-06-07 04:18:07,174 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 557 [2021-06-07 04:18:07,570 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 661 [2021-06-07 04:18:10,891 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 2479 DAG size of output: 2564 [2021-06-07 04:18:12,454 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 632 [2021-06-07 04:18:13,092 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 732 [2021-06-07 04:18:14,407 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 931 [2021-06-07 04:18:14,770 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-06-07 04:18:15,398 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 483 [2021-06-07 04:18:15,688 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 616 [2021-06-07 04:18:16,224 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 838 [2021-06-07 04:18:17,022 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 490 [2021-06-07 04:18:17,795 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 661 [2021-06-07 04:18:18,586 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 755 Received shutdown request... [2021-06-07 04:18:26,656 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 3504 DAG size of output: 3761 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown