/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:35:48,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:35:48,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:35:48,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:35:48,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 03:35:48,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:35:48,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:35:48,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:35:48,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:35:48,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:35:48,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:35:48,667 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:35:48,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:35:48,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:35:48,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:35:48,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:35:48,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:35:48,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:35:48,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:35:48,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:35:48,670 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:35:48,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:35:48,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:35:48,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:35:48,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:35:48,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:35:48,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:35:48,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:35:48,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:35:48,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:35:48,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:35:48,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:35:48,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:35:48,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:35:48,672 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:35:48,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:35:48,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:35:48,673 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:35:48,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:35:48,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:35:48,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:35:48,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:35:48,959 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:35:48,959 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:35:48,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-14 03:35:48,960 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-14 03:35:48,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:35:48,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:35:48,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:35:48,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:35:48,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:35:49,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:35:49,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:35:49,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:35:49,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:35:49,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/1) ... [2021-07-14 03:35:49,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:35:49,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:35:49,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:35:49,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:35:49,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (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 [2021-07-14 03:35:49,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:35:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:35:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:35:49,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:35:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:35:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:35:49,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:35:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:35:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:35:49,143 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:35:49,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:35:49,392 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 03:35:49,393 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 03:35:49,393 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 03:35:49,395 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:35:49 BoogieIcfgContainer [2021-07-14 03:35:49,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:35:49,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:35:49,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:35:49,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:35:49,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:48" (1/2) ... [2021-07-14 03:35:49,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1e1ef5 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:35:49, skipping insertion in model container [2021-07-14 03:35:49,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:35:49" (2/2) ... [2021-07-14 03:35:49,412 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-14 03:35:49,417 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:35:49,417 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:35:49,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:35:49,418 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:35:49,463 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:35:49,481 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-14 03:35:49,535 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:35:49,535 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:35:49,535 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:35:49,535 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:35:49,535 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:35:49,535 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:35:49,536 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:35:49,536 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:35:49,571 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:49,580 INFO L82 PathProgramCache]: Analyzing trace with hash -580385302, now seen corresponding path program 1 times [2021-07-14 03:35:49,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:49,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461184638] [2021-07-14 03:35:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:49,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:49,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461184638] [2021-07-14 03:35:49,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461184638] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:35:49,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:35:49,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 03:35:49,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55684042] [2021-07-14 03:35:49,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 03:35:49,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:49,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 03:35:49,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 03:35:49,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:49,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:49,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-07-14 03:35:49,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:49,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:49,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:35:49,834 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:49,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:49,835 INFO L82 PathProgramCache]: Analyzing trace with hash -845334464, now seen corresponding path program 1 times [2021-07-14 03:35:49,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:49,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345460966] [2021-07-14 03:35:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:49,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:49,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345460966] [2021-07-14 03:35:49,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345460966] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:35:49,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:35:49,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 03:35:49,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526780392] [2021-07-14 03:35:49,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 03:35:49,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:49,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 03:35:49,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 03:35:49,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:49,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:49,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-07-14 03:35:49,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:49,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:49,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 03:35:49,921 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash -906160642, now seen corresponding path program 1 times [2021-07-14 03:35:49,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:49,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324849127] [2021-07-14 03:35:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:49,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:49,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324849127] [2021-07-14 03:35:49,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324849127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:49,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555447582] [2021-07-14 03:35:49,970 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 [2021-07-14 03:35:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:50,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 03:35:50,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:50,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555447582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:50,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:50,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 03:35:50,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6168764] [2021-07-14 03:35:50,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 03:35:50,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:50,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 03:35:50,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 03:35:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:50,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:50,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-07-14 03:35:50,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:50,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:50,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:50,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:50,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:50,413 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:50,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:50,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1940531884, now seen corresponding path program 1 times [2021-07-14 03:35:50,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:50,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897432323] [2021-07-14 03:35:50,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:50,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:50,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897432323] [2021-07-14 03:35:50,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897432323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:50,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562566877] [2021-07-14 03:35:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:50,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:35:50,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:51,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:51,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:51,178 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 03:35:51,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:51,186 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 03:35:51,190 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,203 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-14 03:35:51,203 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:51,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-14 03:35:51,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-14 03:35:51,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,205 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-14 03:35:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:51,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562566877] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:51,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:51,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 03:35:51,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035435947] [2021-07-14 03:35:51,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:35:51,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:51,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:35:51,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:35:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:51,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:51,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:35:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:51,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:51,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:51,649 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:51,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:51,649 INFO L82 PathProgramCache]: Analyzing trace with hash -6313026, now seen corresponding path program 2 times [2021-07-14 03:35:51,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:51,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630290639] [2021-07-14 03:35:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:51,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:51,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630290639] [2021-07-14 03:35:51,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630290639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:51,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369973780] [2021-07-14 03:35:51,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:51,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:35:51,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:35:51,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 03:35:51,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:51,919 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 8 treesize of output 6 [2021-07-14 03:35:51,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:51,924 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:35:51,926 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:51,929 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:35:51,931 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,934 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 7 treesize of output 5 [2021-07-14 03:35:51,938 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:35:51,955 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,958 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 7 treesize of output 5 [2021-07-14 03:35:51,959 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:51,995 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 03:35:51,995 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:51,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:35:51,997 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:35:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:52,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369973780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:52,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:52,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 03:35:52,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382768076] [2021-07-14 03:35:52,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:35:52,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:52,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:35:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:35:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:52,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:52,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:35:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:52,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:52,457 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:52,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:52,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924544, now seen corresponding path program 3 times [2021-07-14 03:35:52,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:52,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656587209] [2021-07-14 03:35:52,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:52,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:52,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656587209] [2021-07-14 03:35:52,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656587209] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:52,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681691591] [2021-07-14 03:35:52,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:52,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 03:35:52,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:35:52,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 03:35:52,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:52,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:52,655 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:35:52,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:52,658 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:35:52,659 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:52,675 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:35:52,675 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:52,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:35:52,676 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:35:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:52,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681691591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:52,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:52,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 03:35:52,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46128898] [2021-07-14 03:35:52,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:35:52,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:52,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:35:52,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:35:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:52,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:52,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:35:52,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:52,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:52,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:52,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:53,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 03:35:53,001 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:53,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:53,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1446621994, now seen corresponding path program 4 times [2021-07-14 03:35:53,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:53,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149639287] [2021-07-14 03:35:53,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:53,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:53,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149639287] [2021-07-14 03:35:53,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149639287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:53,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034982414] [2021-07-14 03:35:53,428 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:53,471 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:35:53,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:35:53,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 03:35:53,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:53,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:53,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 03:35:53,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:53,916 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-07-14 03:35:53,916 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 03:35:53,916 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-14 03:35:53,916 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:53,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:35:53,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-14 03:35:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:53,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034982414] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:53,951 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:53,951 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-14 03:35:53,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682994294] [2021-07-14 03:35:53,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 03:35:53,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:53,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 03:35:53,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 03:35:53,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:53,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:53,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:35:53,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:53,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:53,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:53,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:53,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:53,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:53,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:54,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:54,797 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:54,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:54,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1862349568, now seen corresponding path program 5 times [2021-07-14 03:35:54,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:54,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286410229] [2021-07-14 03:35:54,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:54,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:54,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286410229] [2021-07-14 03:35:54,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286410229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:54,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863326266] [2021-07-14 03:35:54,880 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:54,910 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 03:35:54,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:35:54,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 03:35:54,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:55,009 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 8 treesize of output 6 [2021-07-14 03:35:55,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:55,013 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:35:55,014 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,017 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 7 treesize of output 5 [2021-07-14 03:35:55,018 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:55,021 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:35:55,022 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,024 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 7 treesize of output 5 [2021-07-14 03:35:55,025 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:35:55,027 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,049 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 03:35:55,050 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:55,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:35:55,050 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:35:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:55,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863326266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:55,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:55,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 03:35:55,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523322492] [2021-07-14 03:35:55,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 03:35:55,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:55,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 03:35:55,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 03:35:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:55,078 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:55,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:35:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:55,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:55,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:55,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:35:55,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 03:35:55,529 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:55,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:55,529 INFO L82 PathProgramCache]: Analyzing trace with hash -757032642, now seen corresponding path program 6 times [2021-07-14 03:35:55,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:55,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225199780] [2021-07-14 03:35:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:55,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:55,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225199780] [2021-07-14 03:35:55,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225199780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:55,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417716509] [2021-07-14 03:35:55,617 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:55,649 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 03:35:55,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:35:55,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 03:35:55,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:55,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:55,748 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:35:55,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,752 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:35:55,752 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,766 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:35:55,766 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:55,766 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:35:55,766 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:35:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:55,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417716509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:55,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:55,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 03:35:55,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116622539] [2021-07-14 03:35:55,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 03:35:55,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:55,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 03:35:55,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 03:35:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:55,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:55,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:35:55,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:35:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:35:56,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-14 03:35:56,145 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:35:56,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:35:56,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2026434708, now seen corresponding path program 7 times [2021-07-14 03:35:56,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:35:56,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619986650] [2021-07-14 03:35:56,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:35:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:56,504 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2021-07-14 03:35:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:56,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:35:56,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619986650] [2021-07-14 03:35:56,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619986650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:56,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130370668] [2021-07-14 03:35:56,857 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:35:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:35:56,888 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 03:35:56,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:35:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:57,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:57,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:35:57,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:35:57,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-14 03:35:57,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:35:57,524 INFO L628 ElimStorePlain]: treesize reduction 133, result has 7.6 percent of original size [2021-07-14 03:35:57,524 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:35:57,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-14 03:35:57,525 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-14 03:35:57,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:35:57,525 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-14 03:35:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:35:57,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130370668] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:35:57,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:35:57,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 03:35:57,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136814838] [2021-07-14 03:35:57,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 03:35:57,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:35:57,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 03:35:57,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-14 03:35:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:57,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:35:57,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:35:57,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:35:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:35:58,265 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 03:35:58,492 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-14 03:35:58,726 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 86 [2021-07-14 03:35:59,126 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-14 03:35:59,293 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-14 03:35:59,686 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:35:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:35:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:00,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:00,058 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:00,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:00,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1571774206, now seen corresponding path program 8 times [2021-07-14 03:36:00,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:00,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389623136] [2021-07-14 03:36:00,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:00,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:00,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389623136] [2021-07-14 03:36:00,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389623136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:00,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584382181] [2021-07-14 03:36:00,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:00,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:36:00,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:00,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 03:36:00,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:00,332 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 7 treesize of output 5 [2021-07-14 03:36:00,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:00,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:00,336 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:36:00,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:00,339 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 7 treesize of output 5 [2021-07-14 03:36:00,340 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:00,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:36:00,343 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:00,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:00,346 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:00,346 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:00,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:36:00,349 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:00,369 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 03:36:00,369 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:00,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:36:00,370 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:36:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:00,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584382181] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:00,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:00,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 03:36:00,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758973244] [2021-07-14 03:36:00,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 03:36:00,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:00,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 03:36:00,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 03:36:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:00,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:00,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:00,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:00,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-14 03:36:00,965 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1975304320, now seen corresponding path program 9 times [2021-07-14 03:36:00,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:00,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686438284] [2021-07-14 03:36:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:01,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:01,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686438284] [2021-07-14 03:36:01,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686438284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:01,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002213289] [2021-07-14 03:36:01,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:01,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 03:36:01,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:01,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 03:36:01,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:01,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:01,248 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:36:01,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:01,253 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:01,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:01,270 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:36:01,270 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:01,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:01,271 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:36:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:01,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002213289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:01,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:01,293 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 03:36:01,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495945223] [2021-07-14 03:36:01,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 03:36:01,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:01,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 03:36:01,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 03:36:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:01,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:01,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:01,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:01,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-14 03:36:01,680 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:01,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:01,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1071632490, now seen corresponding path program 10 times [2021-07-14 03:36:01,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:01,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334251025] [2021-07-14 03:36:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:02,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:02,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334251025] [2021-07-14 03:36:02,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334251025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:02,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312352161] [2021-07-14 03:36:02,308 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:02,341 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:36:02,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:02,349 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 03:36:02,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:03,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:03,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 03:36:03,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:03,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-14 03:36:03,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:03,283 INFO L628 ElimStorePlain]: treesize reduction 95, result has 46.3 percent of original size [2021-07-14 03:36:03,284 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:03,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-14 03:36:03,293 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:03,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:36:03,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:03,334 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-14 03:36:03,336 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 03:36:03,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:36:03,351 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 03:36:03,351 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-14 03:36:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:03,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312352161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:03,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:03,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-14 03:36:03,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414187933] [2021-07-14 03:36:03,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 03:36:03,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:03,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 03:36:03,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-14 03:36:03,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:03,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:03,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:03,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:04,345 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-14 03:36:04,580 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-14 03:36:04,842 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-14 03:36:05,117 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-14 03:36:05,411 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-14 03:36:05,598 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-14 03:36:05,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:05,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-14 03:36:05,867 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:05,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:05,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1172390464, now seen corresponding path program 11 times [2021-07-14 03:36:05,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:05,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184573993] [2021-07-14 03:36:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:06,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:06,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184573993] [2021-07-14 03:36:06,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184573993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:06,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060333925] [2021-07-14 03:36:06,004 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:06,042 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 03:36:06,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:06,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 03:36:06,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:06,187 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 8 treesize of output 6 [2021-07-14 03:36:06,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:06,191 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 7 treesize of output 5 [2021-07-14 03:36:06,192 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:06,194 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 7 treesize of output 5 [2021-07-14 03:36:06,194 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:06,196 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 8 treesize of output 6 [2021-07-14 03:36:06,197 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:06,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:06,201 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:06,202 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:06,203 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:36:06,204 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:06,226 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 03:36:06,226 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:06,227 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:36:06,227 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:36:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:06,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060333925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:06,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:06,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 03:36:06,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112027611] [2021-07-14 03:36:06,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 03:36:06,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:06,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 03:36:06,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 03:36:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:06,257 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:06,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) [2021-07-14 03:36:06,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:06,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:06,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:06,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:06,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:06,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-07-14 03:36:06,964 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:06,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:06,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1547858818, now seen corresponding path program 12 times [2021-07-14 03:36:06,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:06,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738281199] [2021-07-14 03:36:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:07,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:07,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738281199] [2021-07-14 03:36:07,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738281199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:07,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530520199] [2021-07-14 03:36:07,093 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:07,140 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 03:36:07,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:07,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 03:36:07,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:07,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:07,261 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:36:07,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:07,264 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:07,264 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:07,278 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:36:07,279 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:07,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:07,279 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:36:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:07,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530520199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:07,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:07,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 03:36:07,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417656481] [2021-07-14 03:36:07,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 03:36:07,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:07,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 03:36:07,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 03:36:07,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:07,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:07,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 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) [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:07,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:07,741 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:07,741 INFO L82 PathProgramCache]: Analyzing trace with hash -772242388, now seen corresponding path program 13 times [2021-07-14 03:36:07,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:07,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783283471] [2021-07-14 03:36:07,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:08,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:08,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783283471] [2021-07-14 03:36:08,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783283471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:08,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460319271] [2021-07-14 03:36:08,323 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:08,359 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-14 03:36:08,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:09,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:09,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-07-14 03:36:09,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:09,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-14 03:36:09,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:09,486 INFO L628 ElimStorePlain]: treesize reduction 127, result has 8.0 percent of original size [2021-07-14 03:36:09,486 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:09,487 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-07-14 03:36:09,487 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-07-14 03:36:09,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:09,487 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-14 03:36:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:09,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460319271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:09,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:09,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-14 03:36:09,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545709560] [2021-07-14 03:36:09,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 03:36:09,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:09,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 03:36:09,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-14 03:36:09,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:09,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:09,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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) [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:09,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:09,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:11,269 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-14 03:36:11,472 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-07-14 03:36:11,664 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-07-14 03:36:11,865 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2021-07-14 03:36:12,055 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:12,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:12,442 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:12,442 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:12,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:12,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1797030462, now seen corresponding path program 14 times [2021-07-14 03:36:12,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:12,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361079859] [2021-07-14 03:36:12,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:12,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:12,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361079859] [2021-07-14 03:36:12,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361079859] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:12,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127039968] [2021-07-14 03:36:12,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:12,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:36:12,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:12,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 03:36:12,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:12,831 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 8 treesize of output 6 [2021-07-14 03:36:12,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:12,834 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 8 treesize of output 6 [2021-07-14 03:36:12,835 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:12,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:12,838 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:36:12,839 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:12,841 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 7 treesize of output 5 [2021-07-14 03:36:12,843 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:12,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:12,845 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:12,846 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:12,848 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 7 treesize of output 5 [2021-07-14 03:36:12,849 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:12,874 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 03:36:12,874 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:12,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:36:12,874 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:36:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:12,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127039968] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:12,906 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:12,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 03:36:12,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185516912] [2021-07-14 03:36:12,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 03:36:12,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:12,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 03:36:12,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 03:36:12,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:12,907 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:12,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:12,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:12,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:13,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-07-14 03:36:13,762 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:13,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:13,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1252553920, now seen corresponding path program 15 times [2021-07-14 03:36:13,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:13,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451229487] [2021-07-14 03:36:13,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:13,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:13,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451229487] [2021-07-14 03:36:13,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451229487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:13,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987980534] [2021-07-14 03:36:13,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:13,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 03:36:13,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:13,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 03:36:13,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:14,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:14,147 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:36:14,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:14,149 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:14,150 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:14,165 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:36:14,165 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:14,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:14,165 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:36:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:14,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987980534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:14,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:14,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 03:36:14,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925169479] [2021-07-14 03:36:14,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 03:36:14,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:14,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 03:36:14,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 03:36:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:14,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:14,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:14,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:14,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:14,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:14,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:14,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:14,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:14,730 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:14,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:14,731 INFO L82 PathProgramCache]: Analyzing trace with hash -207725142, now seen corresponding path program 16 times [2021-07-14 03:36:14,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:14,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365973929] [2021-07-14 03:36:14,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:15,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:15,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365973929] [2021-07-14 03:36:15,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365973929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:15,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100189513] [2021-07-14 03:36:15,292 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:15,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:36:15,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:15,329 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 03:36:15,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:16,669 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-14 03:36:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:16,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 03:36:16,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:16,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 03:36:16,985 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:16,997 INFO L628 ElimStorePlain]: treesize reduction 138, result has 7.4 percent of original size [2021-07-14 03:36:16,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-14 03:36:16,997 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:16,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-14 03:36:16,998 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:16,998 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-14 03:36:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:17,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100189513] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:17,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:17,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-14 03:36:17,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900184888] [2021-07-14 03:36:17,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 03:36:17,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:17,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 03:36:17,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-14 03:36:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:17,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:17,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 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) [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:17,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:17,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:19,436 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-14 03:36:19,651 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-14 03:36:19,883 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-14 03:36:20,119 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-14 03:36:20,348 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-14 03:36:20,584 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:20,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:20,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-07-14 03:36:20,972 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:20,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:20,972 INFO L82 PathProgramCache]: Analyzing trace with hash 2117195904, now seen corresponding path program 17 times [2021-07-14 03:36:20,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:20,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496160032] [2021-07-14 03:36:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:21,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:21,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496160032] [2021-07-14 03:36:21,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496160032] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:21,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056796749] [2021-07-14 03:36:21,155 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:21,196 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 03:36:21,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:21,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 03:36:21,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:21,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:21,417 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:36:21,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:21,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:21,423 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:21,424 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:21,427 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 7 treesize of output 5 [2021-07-14 03:36:21,428 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:21,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:36:21,431 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:21,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:36:21,435 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:21,438 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 7 treesize of output 5 [2021-07-14 03:36:21,439 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:21,461 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 03:36:21,461 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:21,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:36:21,462 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:36:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:21,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056796749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:21,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:21,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 03:36:21,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515867553] [2021-07-14 03:36:21,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 03:36:21,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:21,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 03:36:21,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 03:36:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:21,503 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:21,503 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:21,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:22,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:22,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:22,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:22,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:22,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-07-14 03:36:22,532 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:22,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:22,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2069360574, now seen corresponding path program 18 times [2021-07-14 03:36:22,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:22,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125360901] [2021-07-14 03:36:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:22,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:22,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125360901] [2021-07-14 03:36:22,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125360901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:22,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141185246] [2021-07-14 03:36:22,733 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:22,844 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 03:36:22,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:22,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 03:36:22,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:23,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:23,046 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:23,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:23,049 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:36:23,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:23,065 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:36:23,065 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:23,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:23,066 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:36:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:23,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141185246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:23,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:23,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 03:36:23,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792892766] [2021-07-14 03:36:23,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 03:36:23,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:23,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 03:36:23,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 03:36:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:23,096 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:23,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:23,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:23,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:23,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:23,717 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:23,717 INFO L82 PathProgramCache]: Analyzing trace with hash -307590932, now seen corresponding path program 19 times [2021-07-14 03:36:23,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:23,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113372350] [2021-07-14 03:36:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:24,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:24,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113372350] [2021-07-14 03:36:24,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113372350] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:24,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799431539] [2021-07-14 03:36:24,304 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:24,344 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-14 03:36:24,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:25,242 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-14 03:36:25,436 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-14 03:36:25,860 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-14 03:36:26,289 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-14 03:36:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:26,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-14 03:36:26,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:26,418 INFO L628 ElimStorePlain]: treesize reduction 221, result has 4.7 percent of original size [2021-07-14 03:36:26,419 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:26,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-14 03:36:26,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-14 03:36:26,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:26,419 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-14 03:36:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:26,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799431539] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:26,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:26,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-14 03:36:26,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651442809] [2021-07-14 03:36:26,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 03:36:26,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:26,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 03:36:26,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1041, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 03:36:26,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:26,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:26,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 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) [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:26,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:30,255 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-14 03:36:30,473 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-07-14 03:36:30,759 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-14 03:36:31,078 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-14 03:36:31,326 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-14 03:36:31,607 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-14 03:36:31,895 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-14 03:36:32,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:32,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:32,393 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:32,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:32,393 INFO L82 PathProgramCache]: Analyzing trace with hash -978643586, now seen corresponding path program 20 times [2021-07-14 03:36:32,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:32,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85406408] [2021-07-14 03:36:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:32,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:32,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85406408] [2021-07-14 03:36:32,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85406408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:32,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946364799] [2021-07-14 03:36:32,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:32,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:36:32,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:32,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 03:36:32,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:32,904 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 7 treesize of output 5 [2021-07-14 03:36:32,906 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:32,908 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 8 treesize of output 6 [2021-07-14 03:36:32,909 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:32,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:32,911 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:32,912 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:32,914 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 8 treesize of output 6 [2021-07-14 03:36:32,915 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:32,917 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 7 treesize of output 5 [2021-07-14 03:36:32,918 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:32,920 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:36:32,921 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:32,945 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 03:36:32,945 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:32,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:36:32,945 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:36:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:32,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946364799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:32,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:32,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 03:36:32,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83875818] [2021-07-14 03:36:32,982 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 03:36:32,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:32,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 03:36:32,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 03:36:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:32,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:32,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 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) [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:32,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:32,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:32,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:34,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:34,181 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:34,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:34,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1833428480, now seen corresponding path program 21 times [2021-07-14 03:36:34,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:34,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160715879] [2021-07-14 03:36:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:34,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:34,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160715879] [2021-07-14 03:36:34,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160715879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:34,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811322477] [2021-07-14 03:36:34,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:34,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 03:36:34,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:34,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 03:36:34,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:34,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:34,691 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:36:34,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:34,694 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:34,695 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:34,709 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:36:34,710 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:34,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:34,710 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:36:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:34,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811322477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:34,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:34,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 03:36:34,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120065168] [2021-07-14 03:36:34,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 03:36:34,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:34,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 03:36:34,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 03:36:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:34,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:34,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 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) [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:34,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:35,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:35,435 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:35,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:35,435 INFO L82 PathProgramCache]: Analyzing trace with hash 968448746, now seen corresponding path program 22 times [2021-07-14 03:36:35,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:35,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426066634] [2021-07-14 03:36:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:36,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:36,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426066634] [2021-07-14 03:36:36,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426066634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:36,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776043643] [2021-07-14 03:36:36,189 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:36,228 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:36:36,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:36,229 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-14 03:36:36,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:37,257 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 03:36:37,480 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 03:36:37,731 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 03:36:37,934 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 03:36:38,150 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 03:36:38,361 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 03:36:38,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:38,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-07-14 03:36:38,733 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:38,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-14 03:36:38,765 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:38,778 INFO L628 ElimStorePlain]: treesize reduction 156, result has 6.6 percent of original size [2021-07-14 03:36:38,778 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:38,778 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-14 03:36:38,778 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-14 03:36:38,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:38,778 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-14 03:36:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:38,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776043643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:38,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:38,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-14 03:36:38,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289233659] [2021-07-14 03:36:38,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 03:36:38,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:38,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 03:36:38,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 03:36:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:38,789 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:38,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 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) [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:38,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:38,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:43,518 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2021-07-14 03:36:43,737 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-14 03:36:43,967 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-14 03:36:44,204 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-14 03:36:44,481 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-07-14 03:36:44,723 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-14 03:36:44,962 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-14 03:36:45,191 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:36:45,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:45,649 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:45,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:45,650 INFO L82 PathProgramCache]: Analyzing trace with hash -76119232, now seen corresponding path program 23 times [2021-07-14 03:36:45,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:45,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56630645] [2021-07-14 03:36:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:45,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:45,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56630645] [2021-07-14 03:36:45,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56630645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:45,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466664431] [2021-07-14 03:36:45,903 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:45,952 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 03:36:45,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:45,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 03:36:45,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:46,240 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 8 treesize of output 6 [2021-07-14 03:36:46,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:46,243 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 8 treesize of output 6 [2021-07-14 03:36:46,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:46,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:46,247 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:46,248 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:46,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:46,250 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:36:46,251 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:46,253 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 7 treesize of output 5 [2021-07-14 03:36:46,254 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:46,257 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 7 treesize of output 5 [2021-07-14 03:36:46,258 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:46,283 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 03:36:46,284 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:46,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:36:46,284 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:36:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:46,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466664431] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:46,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:46,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 03:36:46,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591621803] [2021-07-14 03:36:46,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 03:36:46,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:46,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 03:36:46,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 03:36:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:46,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:46,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:46,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:36:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:47,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:36:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:36:47,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-14 03:36:47,768 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:47,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1198768894, now seen corresponding path program 24 times [2021-07-14 03:36:47,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:47,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883986709] [2021-07-14 03:36:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:48,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:48,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883986709] [2021-07-14 03:36:48,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883986709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:48,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899505394] [2021-07-14 03:36:48,037 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:48,096 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 03:36:48,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:36:48,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 03:36:48,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:48,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:48,404 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:36:48,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:48,407 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:36:48,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:48,429 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:36:48,429 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:48,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:48,430 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:36:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:48,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899505394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:48,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:48,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 03:36:48,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644879511] [2021-07-14 03:36:48,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 03:36:48,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:48,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 03:36:48,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 03:36:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:48,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:48,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:48,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:36:48,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:36:48,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:36:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:36:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:36:49,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-07-14 03:36:49,304 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:36:49,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:36:49,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1526129236, now seen corresponding path program 25 times [2021-07-14 03:36:49,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:36:49,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949111699] [2021-07-14 03:36:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:36:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:50,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:36:50,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949111699] [2021-07-14 03:36:50,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949111699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:50,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087403398] [2021-07-14 03:36:50,218 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:36:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:36:50,260 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-14 03:36:50,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:36:51,486 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 03:36:51,745 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 03:36:52,023 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 03:36:52,286 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 03:36:52,588 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 03:36:52,873 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 03:36:53,151 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 03:36:53,455 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 03:36:53,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:53,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-14 03:36:53,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:53,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:36:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:36:53,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-14 03:36:53,620 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:36:53,633 INFO L628 ElimStorePlain]: treesize reduction 167, result has 6.2 percent of original size [2021-07-14 03:36:53,633 INFO L518 ElimStorePlain]: Eliminatee v_prenex_80 vanished before elimination [2021-07-14 03:36:53,633 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:36:53,633 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-14 03:36:53,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:36:53,634 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-14 03:36:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:36:53,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087403398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:36:53,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:36:53,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-14 03:36:53,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32244243] [2021-07-14 03:36:53,703 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 03:36:53,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:36:53,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 03:36:53,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 03:36:53,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:53,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:36:53,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 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) [2021-07-14 03:36:53,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:36:53,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:36:53,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:36:58,730 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-14 03:37:00,346 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2021-07-14 03:37:00,860 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-14 03:37:01,225 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-14 03:37:01,600 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-14 03:37:01,960 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-14 03:37:02,362 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-14 03:37:02,807 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-14 03:37:03,290 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-14 03:37:03,728 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-14 03:37:03,978 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-14 03:37:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:04,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-07-14 03:37:04,301 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:04,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:04,301 INFO L82 PathProgramCache]: Analyzing trace with hash -98625346, now seen corresponding path program 26 times [2021-07-14 03:37:04,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:04,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177650096] [2021-07-14 03:37:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:04,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:04,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177650096] [2021-07-14 03:37:04,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177650096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:04,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041778865] [2021-07-14 03:37:04,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:37:04,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:37:04,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:04,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 03:37:04,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:05,096 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 7 treesize of output 5 [2021-07-14 03:37:05,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:05,100 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 7 treesize of output 5 [2021-07-14 03:37:05,106 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:05,109 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 8 treesize of output 6 [2021-07-14 03:37:05,110 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:05,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:05,113 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:37:05,114 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:05,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:05,116 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:37:05,117 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:05,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:37:05,120 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:05,145 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 03:37:05,145 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:05,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:37:05,145 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:37:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:05,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041778865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:05,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:05,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 03:37:05,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755171962] [2021-07-14 03:37:05,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 03:37:05,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:05,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 03:37:05,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 03:37:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:05,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:05,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:05,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:05,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:05,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:06,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:07,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-07-14 03:37:07,043 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:07,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:07,043 INFO L82 PathProgramCache]: Analyzing trace with hash 768200896, now seen corresponding path program 27 times [2021-07-14 03:37:07,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:07,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478748969] [2021-07-14 03:37:07,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:07,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:07,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478748969] [2021-07-14 03:37:07,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478748969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:07,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108634008] [2021-07-14 03:37:07,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:37:07,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 03:37:07,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:07,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 03:37:07,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:07,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:07,744 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:37:07,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:07,746 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:37:07,747 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:07,762 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:37:07,763 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:07,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:37:07,763 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:37:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:07,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108634008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:07,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:07,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 03:37:07,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599132840] [2021-07-14 03:37:07,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 03:37:07,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:07,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 03:37:07,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 03:37:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:07,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:07,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:08,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-07-14 03:37:08,696 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:08,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:08,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1988835286, now seen corresponding path program 28 times [2021-07-14 03:37:08,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:08,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210109651] [2021-07-14 03:37:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:10,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:10,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210109651] [2021-07-14 03:37:10,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210109651] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:10,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390942524] [2021-07-14 03:37:10,024 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 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 [2021-07-14 03:37:10,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:37:10,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:10,069 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-14 03:37:10,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:11,561 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-14 03:37:11,899 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 03:37:12,189 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-14 03:37:12,480 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-14 03:37:12,842 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-14 03:37:13,168 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 03:37:13,517 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 03:37:13,859 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-14 03:37:14,198 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 03:37:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:14,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-14 03:37:14,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 74 [2021-07-14 03:37:14,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:14,469 INFO L628 ElimStorePlain]: treesize reduction 157, result has 48.5 percent of original size [2021-07-14 03:37:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:14,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-14 03:37:14,503 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:14,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:37:14,514 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-14 03:37:14,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:14,516 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-14 03:37:14,517 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:14,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:37:14,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 03:37:14,528 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-07-14 03:37:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:14,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390942524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:14,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:14,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-14 03:37:14,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976039531] [2021-07-14 03:37:14,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 03:37:14,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:14,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 03:37:14,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 03:37:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:14,612 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:14,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 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) [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:14,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:14,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:16,805 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2021-07-14 03:37:17,216 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-14 03:37:17,609 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2021-07-14 03:37:18,047 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 149 [2021-07-14 03:37:18,487 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 105 [2021-07-14 03:37:18,943 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2021-07-14 03:37:19,403 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-07-14 03:37:19,869 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 144 [2021-07-14 03:37:20,308 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 104 [2021-07-14 03:37:20,767 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 109 [2021-07-14 03:37:21,201 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 106 [2021-07-14 03:37:21,630 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 149 [2021-07-14 03:37:22,062 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 149 [2021-07-14 03:37:22,362 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-14 03:37:22,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:22,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:37:22,745 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:22,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1557611008, now seen corresponding path program 29 times [2021-07-14 03:37:22,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:22,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161250104] [2021-07-14 03:37:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:23,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:23,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161250104] [2021-07-14 03:37:23,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161250104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:23,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980671643] [2021-07-14 03:37:23,115 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 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 [2021-07-14 03:37:23,163 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 03:37:23,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 03:37:23,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:23,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:23,574 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:37:23,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:23,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:23,578 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:37:23,578 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:23,580 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 7 treesize of output 5 [2021-07-14 03:37:23,581 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:23,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:37:23,584 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:23,587 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 7 treesize of output 5 [2021-07-14 03:37:23,588 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:23,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:37:23,590 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:23,611 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 03:37:23,611 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:23,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:37:23,611 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:37:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:23,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980671643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:23,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:23,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 03:37:23,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156868713] [2021-07-14 03:37:23,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 03:37:23,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:23,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 03:37:23,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 03:37:23,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:23,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:23,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 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) [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:25,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:25,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:25,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:37:25,668 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:25,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:25,668 INFO L82 PathProgramCache]: Analyzing trace with hash -455801282, now seen corresponding path program 30 times [2021-07-14 03:37:25,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:25,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494985171] [2021-07-14 03:37:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:26,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:26,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494985171] [2021-07-14 03:37:26,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494985171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:26,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602797240] [2021-07-14 03:37:26,059 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 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 [2021-07-14 03:37:26,112 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 03:37:26,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:26,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 03:37:26,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:26,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:26,521 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:37:26,521 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:26,523 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:37:26,524 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:26,540 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:37:26,540 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:26,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:37:26,541 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:37:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:26,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602797240] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:26,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:26,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 03:37:26,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375356121] [2021-07-14 03:37:26,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 03:37:26,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:26,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 03:37:26,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 03:37:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:26,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:26,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 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) [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:26,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:26,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:27,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-14 03:37:27,595 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:27,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:27,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1278197140, now seen corresponding path program 31 times [2021-07-14 03:37:27,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:27,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181340532] [2021-07-14 03:37:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:28,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:28,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181340532] [2021-07-14 03:37:28,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181340532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:28,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184287544] [2021-07-14 03:37:28,974 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 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 [2021-07-14 03:37:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:29,022 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-14 03:37:29,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:30,714 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 03:37:31,044 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 03:37:31,401 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 03:37:31,723 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 03:37:32,117 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 03:37:32,446 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 03:37:32,831 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 03:37:33,243 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 03:37:33,621 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 03:37:34,020 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 03:37:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:34,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-14 03:37:34,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:34,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:37:34,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 91 [2021-07-14 03:37:34,301 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:34,317 INFO L628 ElimStorePlain]: treesize reduction 187, result has 5.6 percent of original size [2021-07-14 03:37:34,317 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:34,317 INFO L518 ElimStorePlain]: Eliminatee v_prenex_103 vanished before elimination [2021-07-14 03:37:34,317 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-14 03:37:34,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:37:34,318 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-14 03:37:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:34,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184287544] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:34,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:34,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-14 03:37:34,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399054987] [2021-07-14 03:37:34,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 03:37:34,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:34,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 03:37:34,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 03:37:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:34,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:34,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 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) [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:37,428 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 03:37:37,933 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-14 03:37:38,458 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-14 03:37:38,979 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-14 03:37:39,578 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-14 03:37:40,201 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 158 [2021-07-14 03:37:40,832 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-14 03:37:41,472 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-14 03:37:42,490 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 159 [2021-07-14 03:37:43,118 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-14 03:37:43,751 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-14 03:37:44,448 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-14 03:37:45,087 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-14 03:37:45,688 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-14 03:37:46,051 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:46,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:37:46,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-14 03:37:46,447 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:46,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1002664962, now seen corresponding path program 32 times [2021-07-14 03:37:46,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:46,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312390240] [2021-07-14 03:37:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:46,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:46,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312390240] [2021-07-14 03:37:46,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312390240] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:46,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730953118] [2021-07-14 03:37:46,852 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 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 [2021-07-14 03:37:46,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:37:46,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:46,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 03:37:46,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:47,374 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 8 treesize of output 6 [2021-07-14 03:37:47,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:47,377 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 7 treesize of output 5 [2021-07-14 03:37:47,378 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:47,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:47,381 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:37:47,382 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:47,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:37:47,385 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:47,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:47,387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:37:47,388 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:47,390 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 7 treesize of output 5 [2021-07-14 03:37:47,391 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:47,413 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 03:37:47,413 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:47,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:37:47,414 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:37:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:47,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730953118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:47,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:47,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 03:37:47,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791969063] [2021-07-14 03:37:47,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 03:37:47,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:47,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 03:37:47,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 03:37:47,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:47,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:47,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:47,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:37:47,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:37:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:37:49,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable352 [2021-07-14 03:37:49,692 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:49,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:49,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1206301824, now seen corresponding path program 33 times [2021-07-14 03:37:49,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:49,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380741491] [2021-07-14 03:37:49,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:50,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:50,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380741491] [2021-07-14 03:37:50,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380741491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:50,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741851158] [2021-07-14 03:37:50,107 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 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 [2021-07-14 03:37:50,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 03:37:50,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:50,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 03:37:50,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:50,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:37:50,654 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:37:50,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:50,658 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:37:50,659 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:37:50,675 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:37:50,675 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:37:50,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:37:50,676 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:37:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:50,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741851158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:50,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:37:50,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 03:37:50,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141414142] [2021-07-14 03:37:50,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 03:37:50,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:37:50,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 03:37:50,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 03:37:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:50,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:37:50,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:50,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:37:50,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:37:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:37:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:37:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:37:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:37:52,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:37:52,181 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:37:52,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:37:52,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1226089834, now seen corresponding path program 34 times [2021-07-14 03:37:52,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:37:52,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995549575] [2021-07-14 03:37:52,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:37:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:37:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:37:53,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:37:53,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995549575] [2021-07-14 03:37:53,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995549575] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:37:53,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715526985] [2021-07-14 03:37:53,418 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 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 [2021-07-14 03:37:53,473 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:37:53,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:37:53,476 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-14 03:37:53,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:37:55,774 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 03:37:56,273 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 03:37:56,692 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 03:37:57,090 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 03:37:57,569 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 03:37:57,998 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 03:37:58,463 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 03:37:58,857 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 03:37:59,217 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 03:37:59,620 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 03:38:00,210 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 03:38:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:00,414 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-07-14 03:38:00,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-14 03:38:00,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:00,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-14 03:38:00,484 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:00,499 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-14 03:38:00,499 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 03:38:00,499 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:38:00,499 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-14 03:38:00,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:38:00,500 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-14 03:38:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:00,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715526985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:00,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:38:00,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 03:38:00,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113245836] [2021-07-14 03:38:00,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 03:38:00,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:38:00,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 03:38:00,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 03:38:00,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:00,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:38:00,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 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) [2021-07-14 03:38:00,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:00,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:00,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:00,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:00,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:00,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:00,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:00,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:00,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:00,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:12,629 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-14 03:38:12,971 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 03:38:13,373 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 03:38:13,778 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 03:38:14,179 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 03:38:14,606 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:15,005 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:15,397 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:15,796 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:16,222 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:16,701 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:17,198 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 03:38:17,491 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:17,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:17,868 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:38:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:38:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash -679180096, now seen corresponding path program 35 times [2021-07-14 03:38:17,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:38:17,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024257349] [2021-07-14 03:38:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:38:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:38:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:18,398 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:38:18,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024257349] [2021-07-14 03:38:18,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024257349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:18,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66814069] [2021-07-14 03:38:18,398 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:18,456 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 03:38:18,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:38:18,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 03:38:18,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:38:19,050 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 8 treesize of output 6 [2021-07-14 03:38:19,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:19,053 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 8 treesize of output 6 [2021-07-14 03:38:19,054 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:19,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:19,057 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:38:19,058 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:19,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:19,061 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:38:19,062 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:19,064 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 7 treesize of output 5 [2021-07-14 03:38:19,065 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:19,067 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 7 treesize of output 5 [2021-07-14 03:38:19,068 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:19,096 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 03:38:19,096 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:38:19,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:38:19,097 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:38:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:19,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66814069] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:19,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:38:19,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 03:38:19,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613111459] [2021-07-14 03:38:19,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 03:38:19,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:38:19,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 03:38:19,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 03:38:19,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:19,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:38:19,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:19,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:19,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:38:21,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-14 03:38:21,843 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:38:21,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:38:21,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1598011774, now seen corresponding path program 36 times [2021-07-14 03:38:21,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:38:21,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477561925] [2021-07-14 03:38:21,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:38:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:38:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:22,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:38:22,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477561925] [2021-07-14 03:38:22,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477561925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:22,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096642546] [2021-07-14 03:38:22,379 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:22,441 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 03:38:22,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:38:22,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 03:38:22,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:38:23,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:23,024 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:38:23,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:23,027 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:38:23,028 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:23,045 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:38:23,045 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:38:23,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:38:23,046 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:38:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:23,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096642546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:23,092 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:38:23,092 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 03:38:23,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355391187] [2021-07-14 03:38:23,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 03:38:23,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:38:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 03:38:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 03:38:23,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:23,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:38:23,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:38:23,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:38:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:24,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:24,584 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:38:24,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:38:24,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2034501844, now seen corresponding path program 37 times [2021-07-14 03:38:24,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:38:24,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921453451] [2021-07-14 03:38:24,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:38:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:38:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:26,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:38:26,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921453451] [2021-07-14 03:38:26,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921453451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:26,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128218578] [2021-07-14 03:38:26,442 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:38:26,501 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-14 03:38:26,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:38:28,425 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-14 03:38:28,812 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 03:38:29,215 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:29,662 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:30,025 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 03:38:30,415 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 03:38:30,870 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:31,313 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:31,759 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:32,219 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:32,627 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 03:38:33,092 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 03:38:33,540 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 03:38:33,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:33,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:38:33,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-14 03:38:33,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:33,720 INFO L628 ElimStorePlain]: treesize reduction 353, result has 3.0 percent of original size [2021-07-14 03:38:33,720 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:38:33,720 INFO L518 ElimStorePlain]: Eliminatee v_prenex_135 vanished before elimination [2021-07-14 03:38:33,720 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-07-14 03:38:33,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:38:33,721 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-14 03:38:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:33,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128218578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:33,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:38:33,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-14 03:38:33,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887282020] [2021-07-14 03:38:33,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 03:38:33,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:38:33,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 03:38:33,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 03:38:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:33,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:38:33,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 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) [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:47,681 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-14 03:38:50,537 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 157 [2021-07-14 03:38:50,959 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2021-07-14 03:38:51,536 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-14 03:38:52,169 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-14 03:38:52,865 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-14 03:38:53,407 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-14 03:38:53,931 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-14 03:38:54,439 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-14 03:38:54,964 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-14 03:38:55,478 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-14 03:38:56,070 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-14 03:38:56,589 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-14 03:38:57,183 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-14 03:38:57,515 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:38:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:38:57,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:57,919 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:38:57,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:38:57,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1321692990, now seen corresponding path program 38 times [2021-07-14 03:38:57,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:38:57,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942429370] [2021-07-14 03:38:57,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:38:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:38:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:58,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:38:58,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942429370] [2021-07-14 03:38:58,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942429370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:58,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089686211] [2021-07-14 03:38:58,436 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:38:58,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:38:58,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:38:58,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 03:38:58,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:38:59,084 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 7 treesize of output 5 [2021-07-14 03:38:59,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:59,087 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 8 treesize of output 6 [2021-07-14 03:38:59,088 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:59,090 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 7 treesize of output 5 [2021-07-14 03:38:59,091 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:59,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:59,093 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:38:59,094 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:59,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:38:59,097 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:38:59,097 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:59,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:38:59,099 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:38:59,122 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 03:38:59,122 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:38:59,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:38:59,122 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:38:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:38:59,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089686211] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:38:59,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:38:59,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 03:38:59,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615037740] [2021-07-14 03:38:59,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 03:38:59,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:38:59,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 03:38:59,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 03:38:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:38:59,174 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:38:59,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:38:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:38:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:38:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:38:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:38:59,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:01,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:01,828 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:39:01,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:39:01,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1099803072, now seen corresponding path program 39 times [2021-07-14 03:39:01,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:39:01,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473769755] [2021-07-14 03:39:01,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:39:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:39:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:02,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:39:02,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473769755] [2021-07-14 03:39:02,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473769755] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:02,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684388790] [2021-07-14 03:39:02,359 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:02,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 03:39:02,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:39:02,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 03:39:02,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:39:02,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:02,983 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:39:02,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:02,986 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:39:02,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:03,001 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:39:03,002 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:39:03,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:39:03,002 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:39:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:03,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684388790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:03,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:39:03,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 03:39:03,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121050164] [2021-07-14 03:39:03,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 03:39:03,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:39:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 03:39:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 03:39:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:03,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:39:03,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:39:03,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:03,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:03,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:03,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:04,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:04,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable456 [2021-07-14 03:39:04,579 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:39:04,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:39:04,579 INFO L82 PathProgramCache]: Analyzing trace with hash 232583850, now seen corresponding path program 40 times [2021-07-14 03:39:04,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:39:04,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451797262] [2021-07-14 03:39:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:39:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:39:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:06,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:39:06,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451797262] [2021-07-14 03:39:06,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451797262] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:06,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544286842] [2021-07-14 03:39:06,733 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:06,791 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:39:06,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:39:06,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-14 03:39:06,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:39:09,058 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-07-14 03:39:09,493 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:09,977 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:10,417 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:10,940 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 03:39:11,491 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 03:39:12,022 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 03:39:12,520 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:12,982 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:13,579 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 03:39:14,169 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 03:39:14,726 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 03:39:15,231 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:15,774 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 03:39:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:15,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:15,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-14 03:39:15,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:15,954 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-07-14 03:39:15,954 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-14 03:39:15,954 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:39:15,954 INFO L518 ElimStorePlain]: Eliminatee v_prenex_152 vanished before elimination [2021-07-14 03:39:15,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:39:15,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-14 03:39:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:16,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544286842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:16,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:39:16,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-14 03:39:16,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784080097] [2021-07-14 03:39:16,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-14 03:39:16,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:39:16,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-14 03:39:16,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 03:39:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:16,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:39:16,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 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) [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:16,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:20,987 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2021-07-14 03:39:22,764 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 108 [2021-07-14 03:39:23,676 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 111 [2021-07-14 03:39:24,467 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 118 [2021-07-14 03:39:25,373 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-14 03:39:26,204 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 174 [2021-07-14 03:39:27,075 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-14 03:39:28,011 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2021-07-14 03:39:28,946 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 174 [2021-07-14 03:39:29,879 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-14 03:39:30,776 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2021-07-14 03:39:31,691 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 181 [2021-07-14 03:39:32,498 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 183 [2021-07-14 03:39:33,448 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 182 [2021-07-14 03:39:34,382 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2021-07-14 03:39:34,914 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 115 [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:35,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable458,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:35,382 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:39:35,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:39:35,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1413094528, now seen corresponding path program 41 times [2021-07-14 03:39:35,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:39:35,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894704234] [2021-07-14 03:39:35,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:39:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:39:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:36,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:39:36,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894704234] [2021-07-14 03:39:36,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894704234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:36,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451483887] [2021-07-14 03:39:36,039 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:36,114 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 03:39:36,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:39:36,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 03:39:36,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:39:36,789 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 8 treesize of output 6 [2021-07-14 03:39:36,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:36,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:36,793 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:39:36,794 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:36,796 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 8 treesize of output 6 [2021-07-14 03:39:36,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:36,799 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 7 treesize of output 5 [2021-07-14 03:39:36,800 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:36,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:36,802 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:39:36,804 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:36,805 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 7 treesize of output 5 [2021-07-14 03:39:36,807 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:36,832 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 03:39:36,832 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:39:36,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:39:36,833 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:39:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:36,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451483887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:36,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:39:36,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 03:39:36,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191991533] [2021-07-14 03:39:36,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 03:39:36,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:39:36,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 03:39:36,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 03:39:36,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:36,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:39:36,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 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) [2021-07-14 03:39:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:36,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:36,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:36,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:39:39,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable502,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:39,897 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:39:39,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:39:39,897 INFO L82 PathProgramCache]: Analyzing trace with hash 829938878, now seen corresponding path program 42 times [2021-07-14 03:39:39,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:39:39,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596399258] [2021-07-14 03:39:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:39:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:39:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:40,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:39:40,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596399258] [2021-07-14 03:39:40,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596399258] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:40,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716971840] [2021-07-14 03:39:40,554 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:40,615 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 03:39:40,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:39:40,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 03:39:40,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:39:41,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:41,261 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:39:41,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:41,264 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:39:41,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:41,289 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:39:41,289 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:39:41,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:39:41,289 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:39:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:41,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716971840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:41,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:39:41,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 03:39:41,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779016143] [2021-07-14 03:39:41,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 03:39:41,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:39:41,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 03:39:41,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 03:39:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:41,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:39:41,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 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) [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:41,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:39:41,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:39:42,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:43,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:43,141 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:39:43,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:39:43,141 INFO L82 PathProgramCache]: Analyzing trace with hash -74957844, now seen corresponding path program 43 times [2021-07-14 03:39:43,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:39:43,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44413839] [2021-07-14 03:39:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:39:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:39:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:45,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:39:45,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44413839] [2021-07-14 03:39:45,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44413839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:45,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922031870] [2021-07-14 03:39:45,361 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:39:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:39:45,418 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-14 03:39:45,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:39:48,544 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:49,087 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 03:39:49,661 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:50,211 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:50,777 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:51,340 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:51,950 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:52,698 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:53,335 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:53,929 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:54,541 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:55,202 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 03:39:55,777 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-14 03:39:56,445 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 03:39:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:56,699 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-07-14 03:39:56,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-14 03:39:56,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-07-14 03:39:56,800 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:56,914 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2021-07-14 03:39:56,915 INFO L628 ElimStorePlain]: treesize reduction 212, result has 49.0 percent of original size [2021-07-14 03:39:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:39:56,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 104 [2021-07-14 03:39:56,985 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:56,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:39:56,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:39:56,999 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-14 03:39:56,999 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:39:57,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:39:57,010 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-14 03:39:57,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 03:39:57,011 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-07-14 03:39:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:39:57,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922031870] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:39:57,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:39:57,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 67 [2021-07-14 03:39:57,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840939705] [2021-07-14 03:39:57,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 03:39:57,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:39:57,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 03:39:57,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4274, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 03:39:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:39:57,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:39:57,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 states have internal predecessors, (76), 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) [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:39:57,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:39:57,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:40:03,218 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-14 03:40:04,055 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-14 03:40:04,714 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-14 03:40:05,291 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2021-07-14 03:40:06,047 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2021-07-14 03:40:06,904 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:07,719 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:08,704 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-14 03:40:09,703 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:10,516 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:11,358 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-14 03:40:12,224 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:13,157 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:14,082 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:15,055 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:15,987 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-14 03:40:16,913 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-14 03:40:17,745 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 197 [2021-07-14 03:40:18,329 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2021-07-14 03:40:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:40:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:40:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:18,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable511 [2021-07-14 03:40:18,847 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:40:18,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:40:18,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1938014846, now seen corresponding path program 44 times [2021-07-14 03:40:18,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:40:18,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042412261] [2021-07-14 03:40:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:40:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:40:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:40:19,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:40:19,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042412261] [2021-07-14 03:40:19,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042412261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:40:19,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152336319] [2021-07-14 03:40:19,552 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:40:19,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:40:19,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:40:19,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 03:40:19,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:40:20,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:40:20,403 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:40:20,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:20,407 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 7 treesize of output 5 [2021-07-14 03:40:20,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:20,410 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:40:20,410 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:20,412 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:40:20,413 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:20,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:40:20,416 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:40:20,416 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:20,418 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 7 treesize of output 5 [2021-07-14 03:40:20,419 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:20,442 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 03:40:20,442 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:40:20,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:40:20,442 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:40:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:40:20,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152336319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:40:20,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:40:20,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 03:40:20,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518074660] [2021-07-14 03:40:20,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 03:40:20,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:40:20,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 03:40:20,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 03:40:20,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:40:20,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:40:20,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 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) [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:40:20,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:20,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:40:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:40:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:40:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:40:23,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable583 [2021-07-14 03:40:23,903 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:40:23,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:40:23,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1542393600, now seen corresponding path program 45 times [2021-07-14 03:40:23,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:40:23,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964252590] [2021-07-14 03:40:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:40:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:40:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:40:24,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:40:24,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964252590] [2021-07-14 03:40:24,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964252590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:40:24,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734033744] [2021-07-14 03:40:24,642 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:40:24,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 03:40:24,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:40:24,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 03:40:24,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:40:25,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:40:25,556 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:40:25,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:25,559 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:40:25,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:25,575 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:40:25,575 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:40:25,575 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:40:25,576 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:40:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:40:25,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734033744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:40:25,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:40:25,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 03:40:25,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070252826] [2021-07-14 03:40:25,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 03:40:25,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:40:25,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 03:40:25,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 03:40:25,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:40:25,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:40:25,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 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) [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:40:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:40:25,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:25,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:25,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:40:25,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:40:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:40:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:40:27,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:40:27,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable590,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:40:27,857 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:40:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:40:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash -602820630, now seen corresponding path program 46 times [2021-07-14 03:40:27,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:40:27,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103636905] [2021-07-14 03:40:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:40:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:40:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:40:29,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:40:29,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103636905] [2021-07-14 03:40:29,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103636905] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:40:29,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867400155] [2021-07-14 03:40:29,628 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:40:29,695 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:40:29,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:40:29,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-14 03:40:29,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:40:32,611 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-14 03:40:33,181 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 03:40:33,884 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:34,605 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:35,254 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:35,852 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 03:40:36,463 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 03:40:37,179 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:37,896 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:38,516 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 03:40:39,110 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 03:40:39,869 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:40,580 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:41,237 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 03:40:41,927 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:42,675 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 03:40:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:40:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:40:42,946 INFO L244 Elim1Store]: Index analysis took 182 ms [2021-07-14 03:40:42,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 126 [2021-07-14 03:40:42,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:42,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:40:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:40:43,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-14 03:40:43,046 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:40:43,062 INFO L628 ElimStorePlain]: treesize reduction 238, result has 4.4 percent of original size [2021-07-14 03:40:43,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-14 03:40:43,062 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:40:43,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-14 03:40:43,063 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:40:43,063 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-14 03:40:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:40:43,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867400155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:40:43,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:40:43,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-14 03:40:43,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646843459] [2021-07-14 03:40:43,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-14 03:40:43,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:40:43,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-14 03:40:43,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 03:40:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:40:43,176 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:40:43,176 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 70 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) [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:40:43,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:40:43,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:40:43,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:40:43,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:41:08,078 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-07-14 03:41:12,072 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 176 [2021-07-14 03:41:12,649 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-14 03:41:13,237 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-14 03:41:14,038 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2021-07-14 03:41:14,686 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:15,446 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-14 03:41:16,307 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-14 03:41:17,037 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:17,720 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:18,593 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-14 03:41:19,445 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-14 03:41:20,141 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:20,852 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:21,554 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:22,272 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:22,952 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-14 03:41:23,332 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-14 03:41:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:41:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:41:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:41:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-14 03:41:23,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable592,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:41:23,759 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:41:23,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:41:23,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1540829632, now seen corresponding path program 47 times [2021-07-14 03:41:23,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:41:23,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750896957] [2021-07-14 03:41:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:41:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:41:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:41:24,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:41:24,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750896957] [2021-07-14 03:41:24,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750896957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:41:24,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148121930] [2021-07-14 03:41:24,548 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:41:24,617 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 03:41:24,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:41:24,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 03:41:24,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:41:25,474 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 7 treesize of output 5 [2021-07-14 03:41:25,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:25,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:41:25,477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 03:41:25,478 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:25,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:41:25,481 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:25,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:41:25,484 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:41:25,484 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:25,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 03:41:25,487 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:25,488 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 7 treesize of output 5 [2021-07-14 03:41:25,489 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:25,511 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 03:41:25,511 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:41:25,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 03:41:25,511 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 03:41:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:41:25,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148121930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:41:25,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:41:25,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 03:41:25,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358183663] [2021-07-14 03:41:25,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 03:41:25,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:41:25,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 03:41:25,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 03:41:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:41:25,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:41:25,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:41:25,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-14 03:41:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:41:29,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:41:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:41:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:41:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-14 03:41:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 03:41:29,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable639 [2021-07-14 03:41:29,283 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:41:29,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:41:29,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2059309058, now seen corresponding path program 48 times [2021-07-14 03:41:29,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:41:29,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261410387] [2021-07-14 03:41:29,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:41:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:41:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:41:30,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:41:30,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261410387] [2021-07-14 03:41:30,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261410387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:41:30,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906039958] [2021-07-14 03:41:30,055 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:41:30,124 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 03:41:30,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:41:30,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 03:41:30,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:41:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:41:30,958 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 03:41:30,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:30,961 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 03:41:30,962 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:30,981 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 03:41:30,981 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:41:30,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:41:30,981 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 03:41:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:41:31,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906039958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:41:31,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:41:31,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 03:41:31,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833239022] [2021-07-14 03:41:31,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 03:41:31,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:41:31,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 03:41:31,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 03:41:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:41:31,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:41:31,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:41:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 03:41:31,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:41:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:41:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-14 03:41:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 03:41:33,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:33,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable645,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:41:33,232 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:41:33,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:41:33,233 INFO L82 PathProgramCache]: Analyzing trace with hash 552669356, now seen corresponding path program 49 times [2021-07-14 03:41:33,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:41:33,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171887497] [2021-07-14 03:41:33,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:41:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:41:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:41:35,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:41:35,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171887497] [2021-07-14 03:41:35,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171887497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:41:35,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118864571] [2021-07-14 03:41:35,131 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:41:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:41:35,195 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-14 03:41:35,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:41:37,667 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-14 03:41:38,501 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-14 03:41:39,258 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:39,939 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:40,668 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:41,398 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:42,019 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:42,625 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:43,362 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:44,013 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:44,621 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:45,339 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:45,984 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:46,788 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:47,449 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:48,087 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:48,883 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 03:41:49,578 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-14 03:41:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:41:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:41:49,875 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-07-14 03:41:49,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 133 [2021-07-14 03:41:49,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 03:41:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:41:49,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-07-14 03:41:49,982 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:41:49,997 INFO L628 ElimStorePlain]: treesize reduction 259, result has 4.1 percent of original size [2021-07-14 03:41:49,997 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 03:41:49,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-07-14 03:41:49,997 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-07-14 03:41:49,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:41:49,997 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-14 03:41:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:41:50,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118864571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:41:50,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:41:50,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-14 03:41:50,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352521633] [2021-07-14 03:41:50,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-14 03:41:50,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:41:50,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-14 03:41:50,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=5078, Unknown=0, NotChecked=0, Total=5256 [2021-07-14 03:41:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:41:50,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:41:50,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 1.095890410958904) internal successors, (80), 73 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) [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:41:50,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 03:41:50,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 03:41:50,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:42:11,494 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 03:42:11,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable647 [2021-07-14 03:42:11,709 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 43 more [2021-07-14 03:42:11,714 INFO L168 Benchmark]: Toolchain (without parser) took 382718.74 ms. Allocated memory was 197.1 MB in the beginning and 515.9 MB in the end (delta: 318.8 MB). Free memory was 177.8 MB in the beginning and 162.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 334.6 MB. Max. memory is 8.0 GB. [2021-07-14 03:42:11,714 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 03:42:11,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.36 ms. Allocated memory is still 197.1 MB. Free memory was 177.7 MB in the beginning and 176.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 03:42:11,714 INFO L168 Benchmark]: Boogie Preprocessor took 25.94 ms. Allocated memory is still 197.1 MB. Free memory was 176.1 MB in the beginning and 175.2 MB in the end (delta: 935.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 03:42:11,714 INFO L168 Benchmark]: RCFGBuilder took 345.81 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 158.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-14 03:42:11,714 INFO L168 Benchmark]: TraceAbstraction took 382317.52 ms. Allocated memory was 197.1 MB in the beginning and 515.9 MB in the end (delta: 318.8 MB). Free memory was 157.5 MB in the beginning and 162.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 314.7 MB. Max. memory is 8.0 GB. [2021-07-14 03:42:11,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 197.1 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.36 ms. Allocated memory is still 197.1 MB. Free memory was 177.7 MB in the beginning and 176.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.94 ms. Allocated memory is still 197.1 MB. Free memory was 176.1 MB in the beginning and 175.2 MB in the end (delta: 935.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 345.81 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 158.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 382317.52 ms. Allocated memory was 197.1 MB in the beginning and 515.9 MB in the end (delta: 318.8 MB). Free memory was 157.5 MB in the beginning and 162.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 314.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...