/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-Persistent-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 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 09:58:10,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 09:58:10,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 09:58:10,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 09:58:10,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 09:58:10,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 09:58:10,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 09:58:10,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 09:58:10,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 09:58:10,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 09:58:10,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 09:58:10,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 09:58:10,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 09:58:10,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 09:58:10,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 09:58:10,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 09:58:10,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-14 09:58:10,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 09:58:10,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 09:58:10,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 09:58:10,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 09:58:10,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 09:58:10,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 09:58:10,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 09:58:10,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 09:58:10,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 09:58:10,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 09:58:10,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 09:58:10,412 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-Persistent-NoLbe.epf [2021-06-14 09:58:10,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 09:58:10,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 09:58:10,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 09:58:10,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 09:58:10,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 09:58:10,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 09:58:10,451 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 09:58:10,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 09:58:10,451 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 09:58:10,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 09:58:10,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 09:58:10,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 09:58:10,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 09:58:10,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 09:58:10,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 09:58:10,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 09:58:10,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 09:58:10,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 09:58:10,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 09:58:10,456 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-14 09:58:10,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 09:58:10,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 09:58:10,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 09:58:10,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 09:58:10,751 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 09:58:10,752 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 09:58:10,753 INFO L432 ainManager$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 [2021-06-14 09:58:10,753 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-06-14 09:58:10,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 09:58:10,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 09:58:10,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 09:58:10,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 09:58:10,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 09:58:10,793 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,799 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 09:58:10,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 09:58:10,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 09:58:10,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 09:58:10,811 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,811 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,812 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,813 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,815 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,817 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,818 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 14.06 09:58:10" (1/1) ... [2021-06-14 09:58:10,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 09:58:10,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 09:58:10,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 09:58:10,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 09:58:10,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:58:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 09:58:10,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 09:58:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 09:58:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 09:58:10,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 09:58:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 09:58:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 09:58:10,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 09:58:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 09:58:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 09:58:10,878 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 09:58:11,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 09:58:11,136 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 09:58:11,137 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 09:58:11,137 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 09:58:11,138 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:58:11 BoogieIcfgContainer [2021-06-14 09:58:11,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 09:58:11,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 09:58:11,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 09:58:11,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 09:58:11,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:58:10" (1/2) ... [2021-06-14 09:58:11,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea1141f and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 09:58:11, skipping insertion in model container [2021-06-14 09:58:11,143 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 14.06 09:58:11" (2/2) ... [2021-06-14 09:58:11,144 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-06-14 09:58:11,148 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 09:58:11,149 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 09:58:11,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 09:58:11,149 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 09:58:11,172 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 09:58:11,190 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 [2021-06-14 09:58:11,257 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 09:58:11,257 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 09:58:11,258 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 09:58:11,258 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 09:58:11,258 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 09:58:11,258 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 09:58:11,258 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 09:58:11,258 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 09:58:11,315 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:11,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:11,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1041851068, now seen corresponding path program 1 times [2021-06-14 09:58:11,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:11,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149481561] [2021-06-14 09:58:11,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:11,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:11,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149481561] [2021-06-14 09:58:11,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149481561] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 09:58:11,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 09:58:11,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 09:58:11,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887309762] [2021-06-14 09:58:11,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 09:58:11,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:11,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 09:58:11,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 09:58:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:11,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:11,493 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) [2021-06-14 09:58:11,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:11,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 09:58:11,528 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:11,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:11,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2061270254, now seen corresponding path program 1 times [2021-06-14 09:58:11,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:11,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492383792] [2021-06-14 09:58:11,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:11,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:11,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492383792] [2021-06-14 09:58:11,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492383792] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 09:58:11,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 09:58:11,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-14 09:58:11,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19376882] [2021-06-14 09:58:11,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 09:58:11,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:11,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 09:58:11,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-14 09:58:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:11,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:11,598 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) [2021-06-14 09:58:11,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:11,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:11,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:11,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 09:58:11,681 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:11,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:11,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1491788146, now seen corresponding path program 1 times [2021-06-14 09:58:11,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:11,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166074297] [2021-06-14 09:58:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:11,778 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:11,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166074297] [2021-06-14 09:58:11,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166074297] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:11,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265655639] [2021-06-14 09:58:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:11,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 09:58:11,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:11,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265655639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:11,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:11,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-14 09:58:11,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435120151] [2021-06-14 09:58:11,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 09:58:11,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:11,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 09:58:11,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-14 09:58:11,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:11,964 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:11,964 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) [2021-06-14 09:58:11,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:11,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:11,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:12,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:12,242 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:12,243 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:12,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:12,243 INFO L82 PathProgramCache]: Analyzing trace with hash 998122724, now seen corresponding path program 1 times [2021-06-14 09:58:12,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:12,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29624621] [2021-06-14 09:58:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:12,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:12,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29624621] [2021-06-14 09:58:12,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29624621] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:12,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130120467] [2021-06-14 09:58:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:12,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 09:58:12,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:13,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:13,287 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 [2021-06-14 09:58:13,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:13,310 INFO L628 ElimStorePlain]: treesize reduction 89, result has 11.0 percent of original size [2021-06-14 09:58:13,311 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:13,311 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-14 09:58:13,311 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-06-14 09:58:13,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:13,312 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-06-14 09:58:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:13,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130120467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:13,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:13,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-14 09:58:13,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041602982] [2021-06-14 09:58:13,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 09:58:13,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:13,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 09:58:13,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-14 09:58:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:13,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:13,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:13,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:13,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:13,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:13,735 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:13,736 INFO L82 PathProgramCache]: Analyzing trace with hash 875948366, now seen corresponding path program 2 times [2021-06-14 09:58:13,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:13,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117446101] [2021-06-14 09:58:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:13,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:13,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117446101] [2021-06-14 09:58:13,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117446101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:13,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101744829] [2021-06-14 09:58:13,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:13,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:58:13,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:13,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 09:58:13,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:13,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:13,993 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 [2021-06-14 09:58:13,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:13,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:13,998 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:14,002 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 [2021-06-14 09:58:14,003 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,006 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 [2021-06-14 09:58:14,007 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:14,019 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,029 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 [2021-06-14 09:58:14,030 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,062 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 09:58:14,063 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:14,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:14,065 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:14,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101744829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:14,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:14,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-14 09:58:14,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638620427] [2021-06-14 09:58:14,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 09:58:14,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:14,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 09:58:14,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-14 09:58:14,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:14,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:14,095 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) [2021-06-14 09:58:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:14,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:14,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:14,478 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:14,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1894679634, now seen corresponding path program 3 times [2021-06-14 09:58:14,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:14,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845676674] [2021-06-14 09:58:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:14,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:14,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845676674] [2021-06-14 09:58:14,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845676674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:14,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106880145] [2021-06-14 09:58:14,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:14,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-14 09:58:14,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:14,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-14 09:58:14,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:14,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:14,652 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 [2021-06-14 09:58:14,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,656 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 [2021-06-14 09:58:14,657 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,672 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:14,672 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:14,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:14,673 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:14,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106880145] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:14,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:14,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-14 09:58:14,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822446293] [2021-06-14 09:58:14,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 09:58:14,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:14,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 09:58:14,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-14 09:58:14,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:14,692 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:14,692 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) [2021-06-14 09:58:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:14,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:14,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:14,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-14 09:58:14,989 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:14,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:14,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1393388484, now seen corresponding path program 4 times [2021-06-14 09:58:14,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:14,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897467357] [2021-06-14 09:58:14,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:15,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:15,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897467357] [2021-06-14 09:58:15,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897467357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:15,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315595051] [2021-06-14 09:58:15,516 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:15,567 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:58:15,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:15,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-14 09:58:15,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:16,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:16,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:16,096 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 [2021-06-14 09:58:16,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:16,114 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-06-14 09:58:16,115 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:16,115 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-06-14 09:58:16,115 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-06-14 09:58:16,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:16,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-06-14 09:58:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:16,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315595051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:16,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:16,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-06-14 09:58:16,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966393280] [2021-06-14 09:58:16,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 09:58:16,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:16,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 09:58:16,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-06-14 09:58:16,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:16,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:16,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:16,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:16,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:16,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:16,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:16,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:16,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:16,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:16,434 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 52 [2021-06-14 09:58:16,691 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 71 [2021-06-14 09:58:16,923 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-14 09:58:17,157 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 84 [2021-06-14 09:58:17,368 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-06-14 09:58:17,640 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 109 [2021-06-14 09:58:17,773 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2021-06-14 09:58:18,034 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:18,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:18,246 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:18,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:18,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1018183420, now seen corresponding path program 5 times [2021-06-14 09:58:18,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:18,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86949365] [2021-06-14 09:58:18,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:18,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:18,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86949365] [2021-06-14 09:58:18,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86949365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:18,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953692511] [2021-06-14 09:58:18,354 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:18,383 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 09:58:18,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:18,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 09:58:18,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:18,503 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 [2021-06-14 09:58:18,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:18,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:18,513 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 [2021-06-14 09:58:18,515 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:18,518 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 [2021-06-14 09:58:18,519 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:18,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:18,522 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 [2021-06-14 09:58:18,523 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:18,526 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 [2021-06-14 09:58:18,527 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:18,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:18,530 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:18,559 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-14 09:58:18,560 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:18,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:18,560 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:18,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953692511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:18,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:18,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-14 09:58:18,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983613621] [2021-06-14 09:58:18,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 09:58:18,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:18,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 09:58:18,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-06-14 09:58:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:18,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:18,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:18,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:19,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-14 09:58:19,049 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:19,050 INFO L82 PathProgramCache]: Analyzing trace with hash 254162958, now seen corresponding path program 6 times [2021-06-14 09:58:19,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:19,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376212444] [2021-06-14 09:58:19,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:19,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:19,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376212444] [2021-06-14 09:58:19,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376212444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:19,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354651522] [2021-06-14 09:58:19,129 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:19,162 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 09:58:19,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:19,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 09:58:19,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:19,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:19,262 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 [2021-06-14 09:58:19,263 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:19,266 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 [2021-06-14 09:58:19,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:19,284 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:19,284 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:19,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:19,285 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:19,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354651522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:19,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:19,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-14 09:58:19,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353528028] [2021-06-14 09:58:19,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 09:58:19,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:19,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 09:58:19,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-14 09:58:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:19,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:19,304 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) [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:19,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:19,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:19,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:19,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:19,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-06-14 09:58:19,601 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:19,601 INFO L82 PathProgramCache]: Analyzing trace with hash -711967900, now seen corresponding path program 7 times [2021-06-14 09:58:19,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:19,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339420446] [2021-06-14 09:58:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:19,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:19,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339420446] [2021-06-14 09:58:19,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339420446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:19,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481437650] [2021-06-14 09:58:19,939 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:19,974 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-14 09:58:19,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:20,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:20,675 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 [2021-06-14 09:58:20,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:20,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:20,686 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 49 treesize of output 35 [2021-06-14 09:58:20,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:20,703 INFO L628 ElimStorePlain]: treesize reduction 105, result has 9.5 percent of original size [2021-06-14 09:58:20,703 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-06-14 09:58:20,703 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:20,703 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-06-14 09:58:20,704 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:20,704 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-06-14 09:58:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:20,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481437650] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:20,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:20,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-14 09:58:20,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89292367] [2021-06-14 09:58:20,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 09:58:20,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:20,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 09:58:20,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-06-14 09:58:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:20,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:20,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:20,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:20,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:20,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:20,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:20,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:21,097 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-14 09:58:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:21,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:21,526 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:21,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:21,526 INFO L82 PathProgramCache]: Analyzing trace with hash -597253426, now seen corresponding path program 8 times [2021-06-14 09:58:21,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:21,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19150549] [2021-06-14 09:58:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:21,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:21,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19150549] [2021-06-14 09:58:21,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19150549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:21,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14676596] [2021-06-14 09:58:21,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:21,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:58:21,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:21,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 09:58:21,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:21,884 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 [2021-06-14 09:58:21,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:21,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:21,888 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 [2021-06-14 09:58:21,889 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:21,891 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 [2021-06-14 09:58:21,892 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:21,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:21,895 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:21,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:21,897 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 [2021-06-14 09:58:21,898 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:21,899 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:21,900 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:21,919 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 09:58:21,919 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:21,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:21,919 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:21,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14676596] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:21,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:21,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-14 09:58:21,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216283272] [2021-06-14 09:58:21,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 09:58:21,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:21,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 09:58:21,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-14 09:58:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:21,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:21,946 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) [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:21,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:21,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:22,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:22,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:22,506 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:22,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:22,506 INFO L82 PathProgramCache]: Analyzing trace with hash -291037906, now seen corresponding path program 9 times [2021-06-14 09:58:22,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:22,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188558937] [2021-06-14 09:58:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:22,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:22,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188558937] [2021-06-14 09:58:22,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188558937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:22,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238517610] [2021-06-14 09:58:22,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:22,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 09:58:22,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:22,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 09:58:22,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:22,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:22,789 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 [2021-06-14 09:58:22,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:22,792 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 [2021-06-14 09:58:22,792 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:22,806 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:22,806 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:22,806 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:22,806 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:22,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238517610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:22,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:22,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-14 09:58:22,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400771576] [2021-06-14 09:58:22,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 09:58:22,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:22,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 09:58:22,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-14 09:58:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:22,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:22,837 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) [2021-06-14 09:58:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:23,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-14 09:58:23,189 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:23,189 INFO L82 PathProgramCache]: Analyzing trace with hash -433325500, now seen corresponding path program 10 times [2021-06-14 09:58:23,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:23,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400380789] [2021-06-14 09:58:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:23,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:23,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400380789] [2021-06-14 09:58:23,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400380789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:23,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517192336] [2021-06-14 09:58:23,877 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:23,909 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:58:23,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:23,910 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-14 09:58:23,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:24,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:24,937 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 [2021-06-14 09:58:24,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:24,957 INFO L628 ElimStorePlain]: treesize reduction 151, result has 6.8 percent of original size [2021-06-14 09:58:24,957 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:24,957 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-06-14 09:58:24,957 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-06-14 09:58:24,959 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:24,959 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-06-14 09:58:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:24,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517192336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:24,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:24,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-14 09:58:24,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134834092] [2021-06-14 09:58:24,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 09:58:24,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:25,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 09:58:25,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-06-14 09:58:25,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:25,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:25,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5) internal successors, (33), 22 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:25,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:25,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:25,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:25,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:25,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:25,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:25,519 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 94 [2021-06-14 09:58:25,729 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2021-06-14 09:58:25,934 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 91 [2021-06-14 09:58:26,135 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2021-06-14 09:58:26,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:26,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-14 09:58:26,517 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:26,518 INFO L82 PathProgramCache]: Analyzing trace with hash -549273618, now seen corresponding path program 11 times [2021-06-14 09:58:26,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:26,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369990110] [2021-06-14 09:58:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:26,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:26,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369990110] [2021-06-14 09:58:26,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369990110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:26,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813947342] [2021-06-14 09:58:26,679 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:26,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 09:58:26,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:26,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 09:58:26,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:26,893 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 [2021-06-14 09:58:26,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:26,896 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 [2021-06-14 09:58:26,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:26,899 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 [2021-06-14 09:58:26,900 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:26,902 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 [2021-06-14 09:58:26,903 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:26,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:26,906 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 [2021-06-14 09:58:26,907 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:26,909 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 [2021-06-14 09:58:26,910 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:26,934 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-14 09:58:26,935 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:26,935 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:26,935 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:26,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813947342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:26,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:26,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-14 09:58:26,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100329987] [2021-06-14 09:58:26,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 09:58:26,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:26,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 09:58:26,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-14 09:58:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:26,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:26,971 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) [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:27,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2021-06-14 09:58:27,544 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:27,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:27,544 INFO L82 PathProgramCache]: Analyzing trace with hash 353472910, now seen corresponding path program 12 times [2021-06-14 09:58:27,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:27,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231818793] [2021-06-14 09:58:27,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:27,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:27,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231818793] [2021-06-14 09:58:27,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231818793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:27,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141696794] [2021-06-14 09:58:27,689 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:27,728 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 09:58:27,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:27,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 09:58:27,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:27,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:27,888 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 [2021-06-14 09:58:27,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:27,891 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 [2021-06-14 09:58:27,892 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:27,910 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:27,910 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:27,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:27,911 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:27,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141696794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:27,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:27,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-14 09:58:27,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584930689] [2021-06-14 09:58:27,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 09:58:27,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:27,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 09:58:27,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-14 09:58:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:27,941 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:27,941 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) [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:27,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:28,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:28,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:28,329 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:28,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:28,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1928326684, now seen corresponding path program 13 times [2021-06-14 09:58:28,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:28,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422808802] [2021-06-14 09:58:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:28,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:28,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422808802] [2021-06-14 09:58:28,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422808802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:28,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511430623] [2021-06-14 09:58:28,729 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:28,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-14 09:58:28,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:29,706 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-06-14 09:58:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:30,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:30,067 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 [2021-06-14 09:58:30,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:30,086 INFO L628 ElimStorePlain]: treesize reduction 177, result has 5.9 percent of original size [2021-06-14 09:58:30,086 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-06-14 09:58:30,087 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:30,087 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-06-14 09:58:30,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:30,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-06-14 09:58:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:30,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511430623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:30,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:30,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-14 09:58:30,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858996586] [2021-06-14 09:58:30,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 09:58:30,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:30,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 09:58:30,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-06-14 09:58:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:30,119 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:30,119 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:30,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:30,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:30,543 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2021-06-14 09:58:30,715 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2021-06-14 09:58:30,900 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2021-06-14 09:58:31,073 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2021-06-14 09:58:31,272 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-06-14 09:58:31,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:31,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:31,677 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:31,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:31,677 INFO L82 PathProgramCache]: Analyzing trace with hash 350329934, now seen corresponding path program 14 times [2021-06-14 09:58:31,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:31,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732168634] [2021-06-14 09:58:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:31,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:31,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732168634] [2021-06-14 09:58:31,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732168634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:31,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908690273] [2021-06-14 09:58:31,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:31,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:58:31,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:31,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-14 09:58:31,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:32,105 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 [2021-06-14 09:58:32,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:32,109 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 [2021-06-14 09:58:32,110 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:32,112 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 [2021-06-14 09:58:32,113 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:32,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:32,116 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 [2021-06-14 09:58:32,117 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:32,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:32,120 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 [2021-06-14 09:58:32,121 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:32,123 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 [2021-06-14 09:58:32,123 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:32,148 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-14 09:58:32,148 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:32,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:32,149 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:32,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908690273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:32,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:32,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-14 09:58:32,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247012775] [2021-06-14 09:58:32,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 09:58:32,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:32,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 09:58:32,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-14 09:58:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:32,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:32,187 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) [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:32,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:32,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:32,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:32,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:32,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:32,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:32,902 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:32,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:32,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1729298770, now seen corresponding path program 15 times [2021-06-14 09:58:32,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:32,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668888730] [2021-06-14 09:58:32,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:33,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:33,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668888730] [2021-06-14 09:58:33,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668888730] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:33,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704991109] [2021-06-14 09:58:33,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:33,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 09:58:33,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:33,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-14 09:58:33,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:33,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:33,334 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 15 treesize of output 11 [2021-06-14 09:58:33,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:33,340 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 [2021-06-14 09:58:33,341 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:33,360 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:33,360 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:33,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:33,361 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:33,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704991109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:33,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:33,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-14 09:58:33,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737784464] [2021-06-14 09:58:33,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 09:58:33,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:33,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 09:58:33,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-14 09:58:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:33,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:33,396 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) [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:33,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:33,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:33,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:33,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:33,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:33,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:33,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-06-14 09:58:33,889 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:33,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:33,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2069739324, now seen corresponding path program 16 times [2021-06-14 09:58:33,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:33,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664930746] [2021-06-14 09:58:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:34,525 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:34,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:34,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664930746] [2021-06-14 09:58:34,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664930746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:34,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2661667] [2021-06-14 09:58:34,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:34,564 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:58:34,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:34,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-14 09:58:34,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:36,312 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 [2021-06-14 09:58:36,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:36,336 INFO L628 ElimStorePlain]: treesize reduction 199, result has 5.2 percent of original size [2021-06-14 09:58:36,336 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:36,336 INFO L518 ElimStorePlain]: Eliminatee v_prenex_58 vanished before elimination [2021-06-14 09:58:36,336 INFO L518 ElimStorePlain]: Eliminatee v_prenex_57 vanished before elimination [2021-06-14 09:58:36,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:36,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-06-14 09:58:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:36,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2661667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:36,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:36,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-06-14 09:58:36,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816796934] [2021-06-14 09:58:36,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-14 09:58:36,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:36,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-14 09:58:36,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-06-14 09:58:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:36,346 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:36,346 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:36,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:36,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:36,910 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-14 09:58:37,111 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-06-14 09:58:37,303 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-06-14 09:58:37,500 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2021-06-14 09:58:37,709 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 94 [2021-06-14 09:58:37,905 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 94 [2021-06-14 09:58:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:38,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-06-14 09:58:38,277 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:38,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:38,278 INFO L82 PathProgramCache]: Analyzing trace with hash 261505390, now seen corresponding path program 17 times [2021-06-14 09:58:38,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:38,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842256215] [2021-06-14 09:58:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:38,488 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:38,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:38,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842256215] [2021-06-14 09:58:38,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842256215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:38,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708873080] [2021-06-14 09:58:38,489 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:38,529 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 09:58:38,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:38,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-14 09:58:38,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:38,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:38,749 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 [2021-06-14 09:58:38,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:38,752 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 [2021-06-14 09:58:38,753 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:38,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:38,756 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 [2021-06-14 09:58:38,757 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:38,759 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:38,759 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:38,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:38,761 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:38,764 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 [2021-06-14 09:58:38,765 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:38,787 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 09:58:38,787 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:38,787 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:38,787 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:38,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708873080] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:38,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:38,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-14 09:58:38,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917524415] [2021-06-14 09:58:38,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 09:58:38,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:38,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 09:58:38,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-14 09:58:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:38,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:38,820 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) [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:39,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:39,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:39,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:39,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:39,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:39,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-06-14 09:58:39,770 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:39,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:39,770 INFO L82 PathProgramCache]: Analyzing trace with hash 217525006, now seen corresponding path program 18 times [2021-06-14 09:58:39,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:39,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978515491] [2021-06-14 09:58:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:39,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:39,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978515491] [2021-06-14 09:58:39,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978515491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:39,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393388785] [2021-06-14 09:58:39,994 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:40,040 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 09:58:40,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:40,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-14 09:58:40,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:40,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:40,252 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 [2021-06-14 09:58:40,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:40,254 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 [2021-06-14 09:58:40,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:40,268 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:40,268 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:40,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:40,269 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:40,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393388785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:40,293 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:40,293 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-14 09:58:40,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296354734] [2021-06-14 09:58:40,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 09:58:40,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:40,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 09:58:40,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-14 09:58:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:40,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:40,294 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) [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:40,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:40,750 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:40,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:40,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1847744412, now seen corresponding path program 19 times [2021-06-14 09:58:40,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:40,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827635113] [2021-06-14 09:58:40,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:41,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:41,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827635113] [2021-06-14 09:58:41,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827635113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:41,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796056885] [2021-06-14 09:58:41,661 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:41,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-14 09:58:41,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:44,023 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 [2021-06-14 09:58:44,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,064 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 81 treesize of output 53 [2021-06-14 09:58:44,067 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:44,136 INFO L628 ElimStorePlain]: treesize reduction 124, result has 48.1 percent of original size [2021-06-14 09:58:44,136 INFO L518 ElimStorePlain]: Eliminatee v_prenex_71 vanished before elimination [2021-06-14 09:58:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:44,151 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 93 treesize of output 63 [2021-06-14 09:58:44,155 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:44,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:58:44,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:44,169 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 [2021-06-14 09:58:44,170 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:44,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:58:44,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 09:58:44,181 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:389, output treesize:22 [2021-06-14 09:58:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:44,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796056885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:44,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:44,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-06-14 09:58:44,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357945415] [2021-06-14 09:58:44,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 09:58:44,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:44,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 09:58:44,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1115, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 09:58:44,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:44,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:44,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:44,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:44,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:44,972 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2021-06-14 09:58:45,243 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 117 [2021-06-14 09:58:45,489 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 88 [2021-06-14 09:58:45,758 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 112 [2021-06-14 09:58:46,013 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 117 [2021-06-14 09:58:46,277 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 85 [2021-06-14 09:58:46,534 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 90 [2021-06-14 09:58:46,788 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 90 [2021-06-14 09:58:47,013 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2021-06-14 09:58:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:47,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:47,306 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:47,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:47,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1446586930, now seen corresponding path program 20 times [2021-06-14 09:58:47,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:47,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215284681] [2021-06-14 09:58:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:47,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:47,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215284681] [2021-06-14 09:58:47,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215284681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:47,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003099395] [2021-06-14 09:58:47,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:47,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:58:47,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:47,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 09:58:47,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:47,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:47,875 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 [2021-06-14 09:58:47,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:47,878 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 [2021-06-14 09:58:47,879 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:47,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:47,881 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:47,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:58:47,883 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:47,885 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 [2021-06-14 09:58:47,886 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:47,889 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 [2021-06-14 09:58:47,889 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:47,908 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 09:58:47,908 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:47,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:47,909 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:47,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003099395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:47,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:47,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-14 09:58:47,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923048938] [2021-06-14 09:58:47,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 09:58:47,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:47,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 09:58:47,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-14 09:58:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:47,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:47,943 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) [2021-06-14 09:58:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:48,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:48,884 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:48,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:48,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1484988462, now seen corresponding path program 21 times [2021-06-14 09:58:48,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:48,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94257330] [2021-06-14 09:58:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:49,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:49,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94257330] [2021-06-14 09:58:49,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94257330] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:49,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407170143] [2021-06-14 09:58:49,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:49,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 09:58:49,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:49,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 09:58:49,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:49,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:49,393 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 [2021-06-14 09:58:49,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:49,397 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 [2021-06-14 09:58:49,397 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:49,411 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:49,411 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:49,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:49,412 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:49,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407170143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:49,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:49,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-14 09:58:49,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221653575] [2021-06-14 09:58:49,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 09:58:49,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:49,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 09:58:49,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-14 09:58:49,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:49,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:49,439 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) [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:49,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:49,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-06-14 09:58:49,941 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1211082940, now seen corresponding path program 22 times [2021-06-14 09:58:49,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:49,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631267799] [2021-06-14 09:58:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:50,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:50,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631267799] [2021-06-14 09:58:50,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631267799] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:50,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207466407] [2021-06-14 09:58:50,572 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:50,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:58:50,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:50,610 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-14 09:58:50,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:51,893 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-14 09:58:52,165 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-14 09:58:52,809 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-14 09:58:53,262 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-14 09:58:53,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:53,373 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 [2021-06-14 09:58:53,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:58:53,400 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 [2021-06-14 09:58:53,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:53,416 INFO L628 ElimStorePlain]: treesize reduction 156, result has 6.6 percent of original size [2021-06-14 09:58:53,416 INFO L518 ElimStorePlain]: Eliminatee v_prenex_87 vanished before elimination [2021-06-14 09:58:53,416 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:53,416 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-06-14 09:58:53,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:53,417 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-06-14 09:58:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:53,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207466407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:53,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:53,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-06-14 09:58:53,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512598156] [2021-06-14 09:58:53,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-14 09:58:53,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:53,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-14 09:58:53,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-06-14 09:58:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:53,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:53,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:53,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:54,078 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2021-06-14 09:58:54,284 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-06-14 09:58:54,503 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-06-14 09:58:54,737 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-06-14 09:58:54,945 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-06-14 09:58:55,174 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-06-14 09:58:55,398 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-06-14 09:58:55,619 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:58:56,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:56,018 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:56,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:56,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1110049518, now seen corresponding path program 23 times [2021-06-14 09:58:56,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:56,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652607677] [2021-06-14 09:58:56,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:56,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:56,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652607677] [2021-06-14 09:58:56,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652607677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:56,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10171582] [2021-06-14 09:58:56,309 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:56,357 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 09:58:56,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:56,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-14 09:58:56,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:56,662 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 [2021-06-14 09:58:56,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:56,665 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 [2021-06-14 09:58:56,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:56,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:56,669 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 [2021-06-14 09:58:56,670 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:56,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:56,672 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 [2021-06-14 09:58:56,673 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:56,676 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 [2021-06-14 09:58:56,677 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:56,679 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 [2021-06-14 09:58:56,680 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:56,702 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-14 09:58:56,703 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:56,703 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:58:56,703 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:58:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:56,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10171582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:56,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:56,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-14 09:58:56,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223844264] [2021-06-14 09:58:56,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 09:58:56,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:56,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 09:58:56,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-14 09:58:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:56,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:56,740 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) [2021-06-14 09:58:56,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:56,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:56,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:56,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:56,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:58:56,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:58:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:58:57,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable218 [2021-06-14 09:58:57,771 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:57,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1794573454, now seen corresponding path program 24 times [2021-06-14 09:58:57,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:57,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952255964] [2021-06-14 09:58:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:58,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:58,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952255964] [2021-06-14 09:58:58,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952255964] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:58,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516582561] [2021-06-14 09:58:58,029 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:58,069 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-14 09:58:58,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:58:58,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-14 09:58:58,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:58:58,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:58:58,338 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 [2021-06-14 09:58:58,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:58,341 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 [2021-06-14 09:58:58,342 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:58:58,355 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:58:58,355 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:58:58,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:58:58,356 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:58:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:58,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516582561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:58,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:58:58,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-14 09:58:58,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928862319] [2021-06-14 09:58:58,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 09:58:58,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:58:58,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 09:58:58,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-14 09:58:58,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:58,385 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:58:58,386 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) [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:58,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:58:58,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:58:58,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:58:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:58:58,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable224 [2021-06-14 09:58:58,959 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:58:58,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:58:58,959 INFO L82 PathProgramCache]: Analyzing trace with hash -203882780, now seen corresponding path program 25 times [2021-06-14 09:58:58,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:58:58,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229409937] [2021-06-14 09:58:58,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:58:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:58:59,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:58:59,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229409937] [2021-06-14 09:58:59,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229409937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:58:59,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495876685] [2021-06-14 09:58:59,743 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:58:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:58:59,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-06-14 09:58:59,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:01,233 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-14 09:59:01,472 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-14 09:59:01,780 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-14 09:59:02,063 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-14 09:59:02,314 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-14 09:59:02,568 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-14 09:59:02,820 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-14 09:59:03,091 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-14 09:59:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:03,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:03,207 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 [2021-06-14 09:59:03,210 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:03,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:03,240 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 [2021-06-14 09:59:03,243 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:03,259 INFO L628 ElimStorePlain]: treesize reduction 161, result has 6.4 percent of original size [2021-06-14 09:59:03,259 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:03,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-06-14 09:59:03,259 INFO L518 ElimStorePlain]: Eliminatee v_prenex_106 vanished before elimination [2021-06-14 09:59:03,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:03,260 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-06-14 09:59:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:03,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495876685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:03,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:03,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-06-14 09:59:03,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819467267] [2021-06-14 09:59:03,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-14 09:59:03,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:03,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-14 09:59:03,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-06-14 09:59:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:03,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:03,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:04,040 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2021-06-14 09:59:04,296 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-06-14 09:59:04,542 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-06-14 09:59:04,796 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-06-14 09:59:05,058 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-06-14 09:59:05,386 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-06-14 09:59:05,712 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-06-14 09:59:05,996 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-06-14 09:59:06,246 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-06-14 09:59:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:06,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:06,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:06,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable226 [2021-06-14 09:59:06,705 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:06,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:06,706 INFO L82 PathProgramCache]: Analyzing trace with hash -2026483890, now seen corresponding path program 26 times [2021-06-14 09:59:06,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:06,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126254494] [2021-06-14 09:59:06,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:07,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:07,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126254494] [2021-06-14 09:59:07,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126254494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:07,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577539661] [2021-06-14 09:59:07,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:07,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:59:07,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:07,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-14 09:59:07,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:07,438 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 [2021-06-14 09:59:07,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:07,441 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 [2021-06-14 09:59:07,442 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:07,444 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 [2021-06-14 09:59:07,445 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:07,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:07,447 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 [2021-06-14 09:59:07,448 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:07,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:07,450 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 [2021-06-14 09:59:07,451 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:07,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:59:07,453 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:07,474 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-14 09:59:07,474 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:07,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:59:07,475 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:59:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:07,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577539661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:07,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:07,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-14 09:59:07,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844707660] [2021-06-14 09:59:07,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-14 09:59:07,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:07,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-14 09:59:07,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-14 09:59:07,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:07,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:07,516 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) [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:07,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:07,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:08,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable255 [2021-06-14 09:59:08,827 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:08,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:08,827 INFO L82 PathProgramCache]: Analyzing trace with hash 2013888942, now seen corresponding path program 27 times [2021-06-14 09:59:08,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:08,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203718721] [2021-06-14 09:59:08,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:09,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:09,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203718721] [2021-06-14 09:59:09,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203718721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:09,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145365279] [2021-06-14 09:59:09,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:09,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-14 09:59:09,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:09,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-14 09:59:09,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:09,609 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 [2021-06-14 09:59:09,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:09,612 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 [2021-06-14 09:59:09,613 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:09,627 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:59:09,628 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:09,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:09,628 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:59:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:09,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145365279] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:09,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:09,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-14 09:59:09,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667556103] [2021-06-14 09:59:09,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-14 09:59:09,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:09,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-14 09:59:09,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-14 09:59:09,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:09,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:09,659 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) [2021-06-14 09:59:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:09,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:10,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:10,269 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:10,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:10,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1995037244, now seen corresponding path program 28 times [2021-06-14 09:59:10,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:10,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023985575] [2021-06-14 09:59:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:11,342 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-06-14 09:59:11,586 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2021-06-14 09:59:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:11,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:11,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023985575] [2021-06-14 09:59:11,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023985575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:11,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278457909] [2021-06-14 09:59:11,852 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 [2021-06-14 09:59:11,893 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:59:11,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:11,894 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-06-14 09:59:11,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:13,583 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-14 09:59:14,022 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-14 09:59:14,340 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-14 09:59:14,649 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-14 09:59:14,933 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-14 09:59:15,273 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-14 09:59:15,581 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-14 09:59:15,870 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-14 09:59:16,205 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-14 09:59:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:16,367 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 [2021-06-14 09:59:16,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:16,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:16,413 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 [2021-06-14 09:59:16,417 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:16,434 INFO L628 ElimStorePlain]: treesize reduction 182, result has 5.7 percent of original size [2021-06-14 09:59:16,434 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-14 09:59:16,434 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:16,435 INFO L518 ElimStorePlain]: Eliminatee v_prenex_120 vanished before elimination [2021-06-14 09:59:16,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:16,435 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-06-14 09:59:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:16,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278457909] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:16,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:16,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-14 09:59:16,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952036257] [2021-06-14 09:59:16,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 09:59:16,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:16,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 09:59:16,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1970, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 09:59:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:16,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:16,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:16,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:16,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:17,446 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-06-14 09:59:17,746 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-06-14 09:59:18,221 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 141 [2021-06-14 09:59:18,714 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 143 [2021-06-14 09:59:19,244 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 144 [2021-06-14 09:59:19,799 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 144 [2021-06-14 09:59:20,328 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 144 [2021-06-14 09:59:20,893 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 144 [2021-06-14 09:59:21,456 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 144 [2021-06-14 09:59:22,013 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 144 [2021-06-14 09:59:22,572 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 144 [2021-06-14 09:59:23,091 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 144 [2021-06-14 09:59:23,425 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 89 [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:23,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:23,789 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:23,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:23,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1717697426, now seen corresponding path program 29 times [2021-06-14 09:59:23,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:23,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791703952] [2021-06-14 09:59:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:24,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:24,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791703952] [2021-06-14 09:59:24,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791703952] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:24,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540986592] [2021-06-14 09:59:24,152 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:24,202 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-14 09:59:24,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:24,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 09:59:24,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:24,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:24,602 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 [2021-06-14 09:59:24,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:24,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:24,606 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 [2021-06-14 09:59:24,607 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:24,610 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 [2021-06-14 09:59:24,611 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:24,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:59:24,613 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:24,616 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 [2021-06-14 09:59:24,617 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:24,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:59:24,619 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:24,645 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 09:59:24,646 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:24,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:59:24,646 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:59:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:24,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540986592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:24,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:24,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-14 09:59:24,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136710749] [2021-06-14 09:59:24,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 09:59:24,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:24,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 09:59:24,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 09:59:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:24,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:24,695 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) [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:26,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:26,052 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:26,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1020191218, now seen corresponding path program 30 times [2021-06-14 09:59:26,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:26,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788247530] [2021-06-14 09:59:26,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:26,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:26,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788247530] [2021-06-14 09:59:26,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788247530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:26,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156326494] [2021-06-14 09:59:26,407 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 [2021-06-14 09:59:26,453 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-14 09:59:26,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:26,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 09:59:26,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:26,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:26,814 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 [2021-06-14 09:59:26,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:26,818 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 [2021-06-14 09:59:26,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:26,833 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:59:26,833 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:26,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:26,834 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:59:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:26,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156326494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:26,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:26,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-14 09:59:26,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377184856] [2021-06-14 09:59:26,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 09:59:26,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:26,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 09:59:26,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 09:59:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:26,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:26,868 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) [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:26,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:27,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable304 [2021-06-14 09:59:27,591 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:27,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:27,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1562241692, now seen corresponding path program 31 times [2021-06-14 09:59:27,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:27,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920965000] [2021-06-14 09:59:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:28,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:28,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920965000] [2021-06-14 09:59:28,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920965000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:28,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468297999] [2021-06-14 09:59:28,616 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:28,664 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-06-14 09:59:28,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:30,508 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:30,791 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:31,098 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:31,386 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:31,698 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:31,987 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:32,311 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:32,654 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-14 09:59:32,999 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:33,302 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-14 09:59:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:33,416 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 [2021-06-14 09:59:33,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:33,451 INFO L628 ElimStorePlain]: treesize reduction 305, result has 3.5 percent of original size [2021-06-14 09:59:33,451 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:33,451 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-06-14 09:59:33,451 INFO L518 ElimStorePlain]: Eliminatee v_prenex_128 vanished before elimination [2021-06-14 09:59:33,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:33,452 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-06-14 09:59:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:33,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468297999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:33,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:33,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-06-14 09:59:33,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874899456] [2021-06-14 09:59:33,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-14 09:59:33,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:33,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-14 09:59:33,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2329, Unknown=0, NotChecked=0, Total=2450 [2021-06-14 09:59:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:33,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:33,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.22) internal successors, (61), 50 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:33,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:33,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:34,417 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-06-14 09:59:34,884 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2021-06-14 09:59:35,301 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:35,790 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:36,240 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:36,709 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:37,180 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:37,613 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:38,070 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-14 09:59:38,526 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 139 [2021-06-14 09:59:39,251 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 139 [2021-06-14 09:59:39,778 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 139 [2021-06-14 09:59:40,024 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:40,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:40,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:59:40,377 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:40,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1185937202, now seen corresponding path program 32 times [2021-06-14 09:59:40,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:40,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901434849] [2021-06-14 09:59:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:40,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:40,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901434849] [2021-06-14 09:59:40,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901434849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:40,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767171571] [2021-06-14 09:59:40,758 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 [2021-06-14 09:59:40,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:59:40,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:40,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-14 09:59:40,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:41,250 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 [2021-06-14 09:59:41,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:41,253 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 [2021-06-14 09:59:41,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:41,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:41,257 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 [2021-06-14 09:59:41,258 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:41,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 09:59:41,260 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:41,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:41,262 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 [2021-06-14 09:59:41,263 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:41,265 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 [2021-06-14 09:59:41,266 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:41,287 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-14 09:59:41,287 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:41,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 09:59:41,288 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 09:59:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:41,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767171571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:41,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:41,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-14 09:59:41,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274291424] [2021-06-14 09:59:41,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 09:59:41,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:41,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 09:59:41,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 09:59:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:41,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:41,333 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) [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 09:59:42,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable346 [2021-06-14 09:59:42,879 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:42,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:42,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1038081234, now seen corresponding path program 33 times [2021-06-14 09:59:42,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:42,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272378323] [2021-06-14 09:59:42,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:43,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:43,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272378323] [2021-06-14 09:59:43,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272378323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:43,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890105177] [2021-06-14 09:59:43,363 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 [2021-06-14 09:59:43,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 09:59:43,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:43,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-14 09:59:43,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:43,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:43,874 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 [2021-06-14 09:59:43,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:43,876 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 [2021-06-14 09:59:43,877 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:43,891 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 09:59:43,891 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:43,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:43,891 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 09:59:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:43,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890105177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:43,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:43,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-14 09:59:43,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653873747] [2021-06-14 09:59:43,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 09:59:43,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:43,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 09:59:43,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 09:59:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:43,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:43,927 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) [2021-06-14 09:59:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:43,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 09:59:43,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 09:59:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:44,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable353 [2021-06-14 09:59:44,859 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash -2116832188, now seen corresponding path program 34 times [2021-06-14 09:59:44,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:44,859 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365952852] [2021-06-14 09:59:44,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:59:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:46,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:59:46,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365952852] [2021-06-14 09:59:46,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365952852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:46,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604682157] [2021-06-14 09:59:46,550 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 [2021-06-14 09:59:46,596 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:59:46,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:59:46,598 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-06-14 09:59:46,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:59:48,803 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-14 09:59:49,120 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:49,434 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:49,779 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:50,105 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:50,533 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:50,912 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-14 09:59:51,272 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:51,606 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:51,941 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-14 09:59:52,351 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-14 09:59:52,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:52,521 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 [2021-06-14 09:59:52,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 09:59:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 09:59:52,582 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 [2021-06-14 09:59:52,586 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 09:59:52,599 INFO L628 ElimStorePlain]: treesize reduction 198, result has 5.3 percent of original size [2021-06-14 09:59:52,599 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 09:59:52,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_140 vanished before elimination [2021-06-14 09:59:52,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-14 09:59:52,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:59:52,599 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-06-14 09:59:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:59:52,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604682157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:59:52,666 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:59:52,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-06-14 09:59:52,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175593313] [2021-06-14 09:59:52,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-14 09:59:52,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:59:52,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-14 09:59:52,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2731, Unknown=0, NotChecked=0, Total=2862 [2021-06-14 09:59:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:52,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:59:52,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:52,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:52,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:59:53,897 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-14 09:59:54,339 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-14 09:59:54,714 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2021-06-14 09:59:55,125 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2021-06-14 09:59:55,534 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2021-06-14 09:59:55,939 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2021-06-14 09:59:56,345 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2021-06-14 09:59:56,865 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2021-06-14 09:59:57,283 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-14 09:59:57,704 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-14 09:59:58,225 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 154 [2021-06-14 09:59:58,653 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-14 09:59:59,086 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-14 09:59:59,355 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 09:59:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 09:59:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 09:59:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 09:59:59,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable355 [2021-06-14 09:59:59,753 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:59:59,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:59:59,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1198373394, now seen corresponding path program 35 times [2021-06-14 09:59:59,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:59:59,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007406177] [2021-06-14 09:59:59,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:59:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:00,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:00,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007406177] [2021-06-14 10:00:00,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007406177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:00,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207197166] [2021-06-14 10:00:00,226 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 [2021-06-14 10:00:00,278 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-14 10:00:00,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:00,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-14 10:00:00,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:00,789 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 [2021-06-14 10:00:00,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:00,792 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 [2021-06-14 10:00:00,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:00,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:00,796 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 [2021-06-14 10:00:00,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:00,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:00,799 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 [2021-06-14 10:00:00,800 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:00,802 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 [2021-06-14 10:00:00,803 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:00,805 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 [2021-06-14 10:00:00,806 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:00,829 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-14 10:00:00,829 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:00,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 10:00:00,830 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 10:00:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:00,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207197166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:00,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:00,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-14 10:00:00,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106857099] [2021-06-14 10:00:00,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-14 10:00:00,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:00,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-14 10:00:00,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-14 10:00:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:00,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:00,876 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) [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:00,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:00,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:02,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable396 [2021-06-14 10:00:02,693 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:02,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:02,694 INFO L82 PathProgramCache]: Analyzing trace with hash -909805682, now seen corresponding path program 36 times [2021-06-14 10:00:02,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:02,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441538669] [2021-06-14 10:00:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:03,184 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:03,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441538669] [2021-06-14 10:00:03,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441538669] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:03,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099400873] [2021-06-14 10:00:03,184 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 [2021-06-14 10:00:03,234 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-14 10:00:03,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:03,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-14 10:00:03,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:03,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:03,731 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 [2021-06-14 10:00:03,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:03,734 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 [2021-06-14 10:00:03,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:03,749 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 10:00:03,749 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:03,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:00:03,749 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 10:00:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:03,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099400873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:03,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:03,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-14 10:00:03,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103501766] [2021-06-14 10:00:03,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-14 10:00:03,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:03,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-14 10:00:03,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-14 10:00:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:03,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:03,788 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) [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:03,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:03,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:04,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable403 [2021-06-14 10:00:04,683 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1859709924, now seen corresponding path program 37 times [2021-06-14 10:00:04,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:04,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694792407] [2021-06-14 10:00:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:06,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:06,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694792407] [2021-06-14 10:00:06,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694792407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:06,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297002307] [2021-06-14 10:00:06,276 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 [2021-06-14 10:00:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:06,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-14 10:00:06,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:08,970 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-14 10:00:09,495 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-14 10:00:09,959 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-14 10:00:10,341 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-14 10:00:10,781 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-14 10:00:11,236 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-14 10:00:11,658 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-14 10:00:12,045 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-14 10:00:12,500 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-14 10:00:12,916 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-14 10:00:13,342 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-14 10:00:13,777 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-14 10:00:13,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:13,935 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 [2021-06-14 10:00:13,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:13,976 INFO L628 ElimStorePlain]: treesize reduction 353, result has 3.0 percent of original size [2021-06-14 10:00:13,977 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:13,977 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-06-14 10:00:13,977 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-06-14 10:00:13,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:00:13,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-06-14 10:00:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:13,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297002307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:13,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:13,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 57 [2021-06-14 10:00:13,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012275306] [2021-06-14 10:00:13,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-14 10:00:13,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:13,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-14 10:00:13,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3054, Unknown=0, NotChecked=0, Total=3192 [2021-06-14 10:00:13,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:13,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:13,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.1578947368421053) internal successors, (66), 57 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:13,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:13,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:13,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:15,369 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-06-14 10:00:15,946 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 96 [2021-06-14 10:00:16,403 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:16,872 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:17,357 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:17,833 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:18,439 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 158 [2021-06-14 10:00:18,977 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:19,462 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:20,036 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 158 [2021-06-14 10:00:20,525 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:21,073 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 158 [2021-06-14 10:00:21,585 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:22,073 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2021-06-14 10:00:22,351 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:22,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:22,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable405,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 10:00:22,752 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:22,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:22,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1815347790, now seen corresponding path program 38 times [2021-06-14 10:00:22,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:22,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591012000] [2021-06-14 10:00:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:23,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:23,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591012000] [2021-06-14 10:00:23,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591012000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:23,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363316169] [2021-06-14 10:00:23,307 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 [2021-06-14 10:00:23,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 10:00:23,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:23,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-14 10:00:23,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:23,921 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 [2021-06-14 10:00:23,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:23,924 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 [2021-06-14 10:00:23,925 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:23,927 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 [2021-06-14 10:00:23,927 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:23,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:23,930 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 [2021-06-14 10:00:23,931 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:23,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:23,933 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 [2021-06-14 10:00:23,934 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:23,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 10:00:23,936 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:23,975 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-14 10:00:23,976 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:23,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 10:00:23,976 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 10:00:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:24,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363316169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:24,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:24,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-14 10:00:24,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293788618] [2021-06-14 10:00:24,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 10:00:24,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:24,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 10:00:24,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 10:00:24,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:24,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:24,025 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) [2021-06-14 10:00:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:24,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:26,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable446,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 10:00:26,084 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:26,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:26,085 INFO L82 PathProgramCache]: Analyzing trace with hash -2123955026, now seen corresponding path program 39 times [2021-06-14 10:00:26,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:26,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914533472] [2021-06-14 10:00:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:26,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:26,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914533472] [2021-06-14 10:00:26,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914533472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:26,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748807422] [2021-06-14 10:00:26,614 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 [2021-06-14 10:00:26,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-14 10:00:26,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:26,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-14 10:00:26,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:27,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:27,241 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 [2021-06-14 10:00:27,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:27,244 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 [2021-06-14 10:00:27,245 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:27,259 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 10:00:27,259 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:27,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:00:27,260 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 10:00:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:27,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748807422] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:27,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:27,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-14 10:00:27,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776283340] [2021-06-14 10:00:27,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 10:00:27,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:27,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 10:00:27,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 10:00:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:27,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:27,301 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) [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:27,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:28,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable453 [2021-06-14 10:00:28,537 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:28,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:28,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1419181372, now seen corresponding path program 40 times [2021-06-14 10:00:28,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:28,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485122631] [2021-06-14 10:00:28,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:30,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:30,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485122631] [2021-06-14 10:00:30,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485122631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:30,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364855937] [2021-06-14 10:00:30,321 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 [2021-06-14 10:00:30,373 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 10:00:30,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:30,376 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-06-14 10:00:30,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:33,024 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-06-14 10:00:33,546 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:33,991 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-14 10:00:34,465 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-14 10:00:34,969 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:35,513 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:36,026 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:36,567 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:37,027 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-14 10:00:37,563 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:38,136 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:38,682 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-14 10:00:39,190 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-14 10:00:39,634 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-14 10:00:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:39,854 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-06-14 10:00:39,855 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 170 treesize of output 112 [2021-06-14 10:00:39,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:39,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:00:39,926 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 [2021-06-14 10:00:39,931 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:39,946 INFO L628 ElimStorePlain]: treesize reduction 222, result has 4.7 percent of original size [2021-06-14 10:00:39,946 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-14 10:00:39,946 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:39,946 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-14 10:00:39,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:00:39,947 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-06-14 10:00:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:40,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364855937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:40,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:40,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-06-14 10:00:40,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883737159] [2021-06-14 10:00:40,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-14 10:00:40,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:40,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-14 10:00:40,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3631, Unknown=0, NotChecked=0, Total=3782 [2021-06-14 10:00:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:40,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:40,027 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:40,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:41,720 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-06-14 10:00:42,475 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 100 [2021-06-14 10:00:43,221 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:44,547 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:45,266 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:46,021 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:46,789 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:47,578 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:48,397 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:49,098 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:49,840 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:50,585 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:51,300 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:51,989 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:52,710 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 166 [2021-06-14 10:00:53,101 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2021-06-14 10:00:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:00:53,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable455 [2021-06-14 10:00:53,545 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:53,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1046034578, now seen corresponding path program 41 times [2021-06-14 10:00:53,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:53,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917070454] [2021-06-14 10:00:53,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:54,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:54,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917070454] [2021-06-14 10:00:54,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917070454] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:54,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676055792] [2021-06-14 10:00:54,120 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 [2021-06-14 10:00:54,178 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-14 10:00:54,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:54,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-14 10:00:54,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:54,829 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 [2021-06-14 10:00:54,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:54,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:54,832 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 [2021-06-14 10:00:54,833 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:54,835 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 [2021-06-14 10:00:54,836 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:54,838 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 [2021-06-14 10:00:54,839 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:54,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:54,841 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 [2021-06-14 10:00:54,842 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:54,844 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 [2021-06-14 10:00:54,844 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:54,869 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-14 10:00:54,869 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:54,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 10:00:54,870 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 10:00:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:54,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676055792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:54,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:54,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-14 10:00:54,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518844327] [2021-06-14 10:00:54,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-14 10:00:54,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:54,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-14 10:00:54,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-14 10:00:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:54,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:54,922 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) [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:54,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:00:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:00:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:00:57,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable497 [2021-06-14 10:00:57,173 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:57,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:57,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1389629710, now seen corresponding path program 42 times [2021-06-14 10:00:57,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:57,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485257742] [2021-06-14 10:00:57,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:00:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:57,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:00:57,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485257742] [2021-06-14 10:00:57,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485257742] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:57,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364556852] [2021-06-14 10:00:57,828 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 [2021-06-14 10:00:57,885 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-14 10:00:57,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:00:57,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-14 10:00:57,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:00:58,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:00:58,511 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 [2021-06-14 10:00:58,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:58,514 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 [2021-06-14 10:00:58,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:00:58,528 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 10:00:58,528 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:00:58,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:00:58,529 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 10:00:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:00:58,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364556852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:00:58,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:00:58,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-14 10:00:58,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446191585] [2021-06-14 10:00:58,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-14 10:00:58,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:00:58,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-14 10:00:58,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-14 10:00:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:58,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:00:58,572 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) [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:58,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:58,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:58,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:00:58,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:00:58,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:00:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:00:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:00:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:00:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:00:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:00:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:00:59,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable504 [2021-06-14 10:00:59,818 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:00:59,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:00:59,818 INFO L82 PathProgramCache]: Analyzing trace with hash 127763044, now seen corresponding path program 43 times [2021-06-14 10:00:59,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:00:59,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289808976] [2021-06-14 10:00:59,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:00:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:01:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:02,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:01:02,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289808976] [2021-06-14 10:01:02,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289808976] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:02,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217985972] [2021-06-14 10:01:02,030 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 [2021-06-14 10:01:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:01:02,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-06-14 10:01:02,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:01:05,344 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-14 10:01:05,848 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:06,419 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:06,947 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:07,490 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:08,069 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:08,632 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:09,170 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:09,816 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:10,431 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:11,079 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:11,708 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-14 10:01:12,471 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:13,072 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:13,702 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-06-14 10:01:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:14,018 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-06-14 10:01:14,019 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 169 treesize of output 109 [2021-06-14 10:01:14,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,111 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 [2021-06-14 10:01:14,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:14,244 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2021-06-14 10:01:14,245 INFO L628 ElimStorePlain]: treesize reduction 216, result has 48.4 percent of original size [2021-06-14 10:01:14,245 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:01:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:14,309 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 [2021-06-14 10:01:14,314 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:14,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 10:01:14,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:14,328 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 [2021-06-14 10:01:14,328 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:14,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 10:01:14,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 10:01:14,339 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-06-14 10:01:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:14,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217985972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:14,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:01:14,390 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 66 [2021-06-14 10:01:14,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175401653] [2021-06-14 10:01:14,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-14 10:01:14,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:01:14,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-14 10:01:14,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=4146, Unknown=0, NotChecked=0, Total=4290 [2021-06-14 10:01:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:14,391 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:01:14,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 66 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:14,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:14,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:16,868 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-06-14 10:01:17,341 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2021-06-14 10:01:17,973 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 184 [2021-06-14 10:01:18,602 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 191 [2021-06-14 10:01:19,290 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 128 [2021-06-14 10:01:20,042 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 188 [2021-06-14 10:01:20,785 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 194 [2021-06-14 10:01:21,594 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 190 [2021-06-14 10:01:22,300 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 192 [2021-06-14 10:01:23,049 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 139 [2021-06-14 10:01:23,805 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 197 [2021-06-14 10:01:24,564 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 132 [2021-06-14 10:01:25,394 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 193 [2021-06-14 10:01:26,249 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 126 [2021-06-14 10:01:27,012 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 128 [2021-06-14 10:01:27,756 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 193 [2021-06-14 10:01:28,583 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 197 [2021-06-14 10:01:29,167 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:29,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:29,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable506,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 10:01:29,689 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:01:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:01:29,690 INFO L82 PathProgramCache]: Analyzing trace with hash -335397938, now seen corresponding path program 44 times [2021-06-14 10:01:29,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:01:29,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442797119] [2021-06-14 10:01:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:01:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:01:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:30,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:01:30,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442797119] [2021-06-14 10:01:30,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442797119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:30,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746869686] [2021-06-14 10:01:30,339 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 [2021-06-14 10:01:30,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 10:01:30,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:01:30,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-14 10:01:30,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:01:31,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:31,097 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 17 treesize of output 13 [2021-06-14 10:01:31,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:31,101 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 [2021-06-14 10:01:31,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:31,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 10:01:31,104 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:31,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 10:01:31,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:31,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:31,109 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 [2021-06-14 10:01:31,110 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:31,112 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 [2021-06-14 10:01:31,112 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:31,133 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 10:01:31,133 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:01:31,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 10:01:31,133 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 10:01:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:31,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746869686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:31,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:01:31,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-14 10:01:31,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600531982] [2021-06-14 10:01:31,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-14 10:01:31,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:01:31,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-14 10:01:31,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-14 10:01:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:31,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:01:31,187 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) [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:31,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:31,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:33,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:01:33,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable566 [2021-06-14 10:01:33,705 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:01:33,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:01:33,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2139216338, now seen corresponding path program 45 times [2021-06-14 10:01:33,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:01:33,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082160799] [2021-06-14 10:01:33,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:01:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:01:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:34,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:01:34,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082160799] [2021-06-14 10:01:34,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082160799] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:34,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077769680] [2021-06-14 10:01:34,353 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 [2021-06-14 10:01:34,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-14 10:01:34,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:01:34,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-14 10:01:34,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:01:35,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:35,107 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 [2021-06-14 10:01:35,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:35,109 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 [2021-06-14 10:01:35,110 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:35,124 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 10:01:35,124 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:01:35,125 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:01:35,125 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 10:01:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:35,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077769680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:35,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:01:35,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-14 10:01:35,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093148208] [2021-06-14 10:01:35,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-14 10:01:35,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:01:35,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-14 10:01:35,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-14 10:01:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:35,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:01:35,170 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) [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:01:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:01:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:36,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable573,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 10:01:36,713 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:01:36,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:01:36,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1892282044, now seen corresponding path program 46 times [2021-06-14 10:01:36,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:01:36,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49198945] [2021-06-14 10:01:36,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:01:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:01:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:38,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:01:38,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49198945] [2021-06-14 10:01:38,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49198945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:38,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212615042] [2021-06-14 10:01:38,416 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 [2021-06-14 10:01:38,467 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 10:01:38,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:01:38,473 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-06-14 10:01:38,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:01:41,859 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-14 10:01:42,494 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:43,144 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:43,769 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 10:01:44,437 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:45,124 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:45,681 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 10:01:46,334 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:46,967 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:47,504 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 10:01:48,061 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 10:01:48,731 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:49,374 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:50,077 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:50,754 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-14 10:01:51,379 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 10:01:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:51,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:51,636 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-06-14 10:01:51,637 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 [2021-06-14 10:01:51,643 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:51,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:01:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:01:51,729 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 [2021-06-14 10:01:51,736 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:01:51,750 INFO L628 ElimStorePlain]: treesize reduction 248, result has 4.2 percent of original size [2021-06-14 10:01:51,750 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:01:51,750 INFO L518 ElimStorePlain]: Eliminatee v_prenex_225 vanished before elimination [2021-06-14 10:01:51,750 INFO L518 ElimStorePlain]: Eliminatee v_prenex_226 vanished before elimination [2021-06-14 10:01:51,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:01:51,750 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-06-14 10:01:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:01:51,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212615042] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:01:51,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:01:51,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-06-14 10:01:51,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57667447] [2021-06-14 10:01:51,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-06-14 10:01:51,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:01:51,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-06-14 10:01:51,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-06-14 10:01:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:51,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:01:51,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1571428571428573) internal successors, (81), 70 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 10:01:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:01:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:01:51,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:01:51,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:01:51,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:01:51,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:01:51,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:51,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:01:51,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:01:51,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:01:53,942 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-14 10:01:54,753 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 181 [2021-06-14 10:01:55,509 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 184 [2021-06-14 10:01:56,428 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:01:57,352 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:01:58,232 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:01:59,098 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:01:59,951 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 190 [2021-06-14 10:02:00,773 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 190 [2021-06-14 10:02:01,644 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:02:02,544 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:02:03,469 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:02:04,388 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 190 [2021-06-14 10:02:05,216 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:02:06,190 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 190 [2021-06-14 10:02:07,063 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2021-06-14 10:02:07,963 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 190 [2021-06-14 10:02:08,404 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:02:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:02:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:08,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable575 [2021-06-14 10:02:08,848 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:02:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:02:08,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1467713774, now seen corresponding path program 47 times [2021-06-14 10:02:08,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:02:08,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280442729] [2021-06-14 10:02:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:02:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:02:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:02:09,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:02:09,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280442729] [2021-06-14 10:02:09,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280442729] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:02:09,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077317994] [2021-06-14 10:02:09,652 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 [2021-06-14 10:02:09,714 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-14 10:02:09,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:02:09,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-14 10:02:09,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:02:10,522 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 [2021-06-14 10:02:10,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:10,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:02:10,526 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 [2021-06-14 10:02:10,527 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:10,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 10:02:10,529 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:10,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:02:10,531 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 [2021-06-14 10:02:10,532 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:10,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 10:02:10,534 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:10,535 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 [2021-06-14 10:02:10,536 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:10,557 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-14 10:02:10,557 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:02:10,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 10:02:10,558 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-14 10:02:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:02:10,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077317994] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:02:10,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:02:10,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-06-14 10:02:10,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483494275] [2021-06-14 10:02:10,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-14 10:02:10,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:02:10,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-14 10:02:10,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-06-14 10:02:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:02:10,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:02:10,615 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) [2021-06-14 10:02:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:02:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:02:10,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:10,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:02:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:02:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-14 10:02:13,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable621 [2021-06-14 10:02:13,446 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:02:13,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:02:13,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1383918222, now seen corresponding path program 48 times [2021-06-14 10:02:13,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:02:13,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989067867] [2021-06-14 10:02:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:02:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:02:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:02:14,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:02:14,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989067867] [2021-06-14 10:02:14,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989067867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:02:14,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931011054] [2021-06-14 10:02:14,295 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 [2021-06-14 10:02:14,365 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-14 10:02:14,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 10:02:14,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-14 10:02:14,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:02:15,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:02:15,155 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 [2021-06-14 10:02:15,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:15,157 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 [2021-06-14 10:02:15,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:15,172 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 10:02:15,172 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:02:15,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:02:15,173 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 10:02:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:02:15,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931011054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:02:15,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:02:15,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-06-14 10:02:15,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43582840] [2021-06-14 10:02:15,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-14 10:02:15,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:02:15,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-14 10:02:15,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-06-14 10:02:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:02:15,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:02:15,221 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) [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:15,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-14 10:02:15,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:02:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-14 10:02:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-14 10:02:16,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable627,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 10:02:16,813 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 10:02:16,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 10:02:16,813 INFO L82 PathProgramCache]: Analyzing trace with hash -49293084, now seen corresponding path program 49 times [2021-06-14 10:02:16,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 10:02:16,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616955051] [2021-06-14 10:02:16,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 10:02:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:02:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:02:18,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 10:02:18,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616955051] [2021-06-14 10:02:18,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616955051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:02:18,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862247195] [2021-06-14 10:02:18,738 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 [2021-06-14 10:02:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 10:02:18,798 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-06-14 10:02:18,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 10:02:21,120 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-14 10:02:22,707 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-14 10:02:23,300 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:23,912 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:24,670 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-14 10:02:25,294 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:25,907 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:26,557 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:27,280 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-14 10:02:27,867 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:28,463 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:29,213 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-14 10:02:29,861 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:30,615 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-14 10:02:31,361 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-14 10:02:31,959 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:32,773 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-14 10:02:33,432 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-14 10:02:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 10:02:33,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 10:02:33,616 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 [2021-06-14 10:02:33,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 10:02:33,667 INFO L628 ElimStorePlain]: treesize reduction 437, result has 2.5 percent of original size [2021-06-14 10:02:33,667 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-14 10:02:33,668 INFO L518 ElimStorePlain]: Eliminatee v_prenex_243 vanished before elimination [2021-06-14 10:02:33,668 INFO L518 ElimStorePlain]: Eliminatee v_prenex_244 vanished before elimination [2021-06-14 10:02:33,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 10:02:33,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-06-14 10:02:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 10:02:33,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862247195] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 10:02:33,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 10:02:33,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 74 [2021-06-14 10:02:33,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616107930] [2021-06-14 10:02:33,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-06-14 10:02:33,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 10:02:33,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-06-14 10:02:33,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=5221, Unknown=0, NotChecked=0, Total=5402 [2021-06-14 10:02:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:02:33,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 10:02:33,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.1486486486486487) internal successors, (85), 74 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 10:02:33,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 10:02:33,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:33,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 10:02:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-14 10:02:33,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 10:02:36,295 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-06-14 10:02:37,287 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2021-06-14 10:02:38,182 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2021-06-14 10:02:39,177 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2021-06-14 10:02:40,358 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-14 10:02:40,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable629,52 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 10:02:40,560 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.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) 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:208) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:153) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:104) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:79) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyWithoutSleepSets(PersistentSetReduction.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:192) 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:364) 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) ... 53 more [2021-06-14 10:02:40,563 INFO L168 Benchmark]: Toolchain (without parser) took 269781.70 ms. Allocated memory was 183.5 MB in the beginning and 471.9 MB in the end (delta: 288.4 MB). Free memory was 162.7 MB in the beginning and 354.3 MB in the end (delta: -191.5 MB). Peak memory consumption was 97.3 MB. Max. memory is 8.0 GB. [2021-06-14 10:02:40,564 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 183.5 MB. Free memory is still 164.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 10:02:40,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.22 ms. Allocated memory is still 183.5 MB. Free memory was 162.7 MB in the beginning and 161.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 10:02:40,564 INFO L168 Benchmark]: Boogie Preprocessor took 13.72 ms. Allocated memory is still 183.5 MB. Free memory was 161.2 MB in the beginning and 160.2 MB in the end (delta: 944.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 10:02:40,564 INFO L168 Benchmark]: RCFGBuilder took 319.06 ms. Allocated memory is still 183.5 MB. Free memory was 160.1 MB in the beginning and 143.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-14 10:02:40,564 INFO L168 Benchmark]: TraceAbstraction took 269423.25 ms. Allocated memory was 183.5 MB in the beginning and 471.9 MB in the end (delta: 288.4 MB). Free memory was 142.8 MB in the beginning and 354.3 MB in the end (delta: -211.4 MB). Peak memory consumption was 77.3 MB. Max. memory is 8.0 GB. [2021-06-14 10:02:40,564 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 0.14 ms. Allocated memory is still 183.5 MB. Free memory is still 164.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.22 ms. Allocated memory is still 183.5 MB. Free memory was 162.7 MB in the beginning and 161.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.72 ms. Allocated memory is still 183.5 MB. Free memory was 161.2 MB in the beginning and 160.2 MB in the end (delta: 944.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 319.06 ms. Allocated memory is still 183.5 MB. Free memory was 160.1 MB in the beginning and 143.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 269423.25 ms. Allocated memory was 183.5 MB in the beginning and 471.9 MB in the end (delta: 288.4 MB). Free memory was 142.8 MB in the beginning and 354.3 MB in the end (delta: -211.4 MB). Peak memory consumption was 77.3 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...