/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:48:44,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:48:44,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:48:45,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 14:48:45,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-10 14:48:45,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:48:45,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:48:45,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:48:45,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:48:45,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:48:45,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:48:45,101 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:48:45,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:48:45,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:48:45,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:48:45,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:48:45,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:48:45,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:48:45,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:48:45,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:48:45,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:48:45,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:48:45,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:48:45,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:48:45,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:48:45,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:48:45,104 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:48:45,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:48:45,104 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:48:45,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:48:45,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:48:45,106 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:48:45,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:48:45,106 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:48:45,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:48:45,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:48:45,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:48:45,408 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:48:45,408 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:48:45,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-10 14:48:45,409 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-10 14:48:45,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:48:45,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:48:45,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:48:45,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:48:45,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:48:45,448 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,455 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:48:45,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:48:45,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:48:45,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:48:45,470 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,470 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,471 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,471 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,473 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,475 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,476 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 10.07 02:48:45" (1/1) ... [2021-07-10 14:48:45,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:48:45,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:48:45,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:48:45,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:48:45,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:48:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:48:45,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:48:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:48:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:48:45,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:48:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:48:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:48:45,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:48:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:48:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:48:45,540 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:48:45,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:48:45,738 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 14:48:45,738 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 14:48:45,739 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 14:48:45,740 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:48:45 BoogieIcfgContainer [2021-07-10 14:48:45,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:48:45,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:48:45,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:48:45,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:48:45,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:48:45" (1/2) ... [2021-07-10 14:48:45,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c42399 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:48:45, skipping insertion in model container [2021-07-10 14:48:45,745 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 10.07 02:48:45" (2/2) ... [2021-07-10 14:48:45,746 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-10 14:48:45,750 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:48:45,751 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:48:45,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:48:45,751 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:48:45,797 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 14:48:45,822 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 14:48:45,917 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:48:45,917 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:48:45,917 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:48:45,917 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:48:45,917 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:48:45,917 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:48:45,918 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:48:45,918 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:48:46,003 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:46,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1240259128, now seen corresponding path program 1 times [2021-07-10 14:48:46,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:46,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60843072] [2021-07-10 14:48:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:46,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:46,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60843072] [2021-07-10 14:48:46,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60843072] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 14:48:46,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 14:48:46,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 14:48:46,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112332807] [2021-07-10 14:48:46,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 14:48:46,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:46,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 14:48:46,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 14:48:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:46,270 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:46,274 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:48:46,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:46,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:46,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 14:48:46,305 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:46,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:46,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1690196206, now seen corresponding path program 1 times [2021-07-10 14:48:46,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:46,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164426263] [2021-07-10 14:48:46,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:46,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:46,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164426263] [2021-07-10 14:48:46,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164426263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:46,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855034686] [2021-07-10 14:48:46,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:46,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 14:48:46,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:46,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:46,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855034686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:46,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:46,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 14:48:46,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808771249] [2021-07-10 14:48:46,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 14:48:46,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:46,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 14:48:46,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 14:48:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:46,585 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:46,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:48:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:46,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:46,865 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:46,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:46,866 INFO L82 PathProgramCache]: Analyzing trace with hash -719031690, now seen corresponding path program 1 times [2021-07-10 14:48:46,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:46,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423449898] [2021-07-10 14:48:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:47,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:47,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423449898] [2021-07-10 14:48:47,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423449898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:47,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260076184] [2021-07-10 14:48:47,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:47,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 14:48:47,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:47,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:47,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:47,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 14:48:47,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:47,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:47,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 14:48:47,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:47,969 INFO L628 ElimStorePlain]: treesize reduction 73, result has 13.1 percent of original size [2021-07-10 14:48:47,970 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:47,970 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-10 14:48:47,970 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-10 14:48:47,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:47,972 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-10 14:48:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:47,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260076184] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:47,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:47,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-10 14:48:47,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606992620] [2021-07-10 14:48:47,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 14:48:47,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:48,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 14:48:48,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-10 14:48:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:48,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:48,001 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) [2021-07-10 14:48:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:48,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:48,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:48,275 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash 683133248, now seen corresponding path program 2 times [2021-07-10 14:48:48,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:48,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618899038] [2021-07-10 14:48:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:48,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:48,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618899038] [2021-07-10 14:48:48,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618899038] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:48,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044064719] [2021-07-10 14:48:48,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:48,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:48:48,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:48,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 14:48:48,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:48,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:48,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:48:48,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:48,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:48:48,540 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:48,558 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:48:48,559 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:48,559 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:48,559 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:48:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:48,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044064719] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:48,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:48,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 14:48:48,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452360769] [2021-07-10 14:48:48,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 14:48:48,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:48,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 14:48:48,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 14:48:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:48,589 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:48,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:48:48,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:48,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:48,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:48,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:48,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:48,917 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:48,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:48,918 INFO L82 PathProgramCache]: Analyzing trace with hash -298790798, now seen corresponding path program 3 times [2021-07-10 14:48:48,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:48,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879616384] [2021-07-10 14:48:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:49,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:49,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879616384] [2021-07-10 14:48:49,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879616384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:49,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007335075] [2021-07-10 14:48:49,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:49,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 14:48:49,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:49,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 14:48:49,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:50,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:50,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:50,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 14:48:50,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:50,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:50,055 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 26 treesize of output 18 [2021-07-10 14:48:50,056 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:50,093 INFO L628 ElimStorePlain]: treesize reduction 73, result has 45.1 percent of original size [2021-07-10 14:48:50,093 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:50,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:50,098 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 38 treesize of output 28 [2021-07-10 14:48:50,100 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:50,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:48:50,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:50,116 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 10 treesize of output 6 [2021-07-10 14:48:50,122 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 14:48:50,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:48:50,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:48:50,136 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:169, output treesize:22 [2021-07-10 14:48:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:50,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007335075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:50,179 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:50,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-07-10 14:48:50,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927805883] [2021-07-10 14:48:50,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 14:48:50,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:50,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 14:48:50,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-07-10 14:48:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:50,181 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:50,181 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 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) [2021-07-10 14:48:50,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:50,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:50,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:50,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:50,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 14:48:50,709 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:50,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:50,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1438016324, now seen corresponding path program 4 times [2021-07-10 14:48:50,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:50,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858079335] [2021-07-10 14:48:50,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:50,809 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:50,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858079335] [2021-07-10 14:48:50,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858079335] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:50,809 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853191359] [2021-07-10 14:48:50,809 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:50,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:48:50,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:50,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 14:48:50,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:50,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:50,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:48:50,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:50,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:48:50,946 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:50,962 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:48:50,962 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:50,969 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:50,969 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:48:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:50,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853191359] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:50,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:50,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 14:48:50,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948370660] [2021-07-10 14:48:50,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 14:48:50,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:50,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 14:48:50,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 14:48:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:50,995 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:50,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:48:50,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:50,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:50,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:50,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:50,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:50,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:51,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-10 14:48:51,329 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:51,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:51,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1629918090, now seen corresponding path program 5 times [2021-07-10 14:48:51,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:51,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828893057] [2021-07-10 14:48:51,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:51,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:51,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828893057] [2021-07-10 14:48:51,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828893057] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:51,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006038003] [2021-07-10 14:48:51,697 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:51,729 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 14:48:51,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:51,730 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 14:48:51,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:52,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:52,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:52,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-10 14:48:52,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:52,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:52,491 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 [2021-07-10 14:48:52,493 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:52,507 INFO L628 ElimStorePlain]: treesize reduction 101, result has 9.8 percent of original size [2021-07-10 14:48:52,507 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-07-10 14:48:52,507 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:52,507 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-10 14:48:52,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:52,508 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-10 14:48:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:52,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006038003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:52,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:52,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-07-10 14:48:52,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851101527] [2021-07-10 14:48:52,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 14:48:52,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:52,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 14:48:52,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-07-10 14:48:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:52,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:52,520 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) [2021-07-10 14:48:52,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:52,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:52,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:52,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:52,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:52,896 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:52,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1208988096, now seen corresponding path program 6 times [2021-07-10 14:48:52,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:52,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772732802] [2021-07-10 14:48:52,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:53,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:53,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772732802] [2021-07-10 14:48:53,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772732802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:53,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419459649] [2021-07-10 14:48:53,027 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:53,066 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 14:48:53,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:53,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 14:48:53,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:53,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:53,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:48:53,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:53,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:48:53,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:53,212 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:48:53,213 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:53,213 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:53,213 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:48:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:53,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419459649] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:53,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:53,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 14:48:53,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982776983] [2021-07-10 14:48:53,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 14:48:53,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:53,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 14:48:53,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 14:48:53,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:53,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:53,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 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) [2021-07-10 14:48:53,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:53,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:53,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:53,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:53,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:53,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:53,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:53,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:53,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-07-10 14:48:53,560 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:53,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1174989682, now seen corresponding path program 7 times [2021-07-10 14:48:53,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:53,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539451881] [2021-07-10 14:48:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:54,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:54,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539451881] [2021-07-10 14:48:54,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539451881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:54,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318321287] [2021-07-10 14:48:54,253 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:54,285 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 14:48:54,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:55,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-10 14:48:55,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:55,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:55,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-10 14:48:55,383 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:55,396 INFO L628 ElimStorePlain]: treesize reduction 110, result has 9.1 percent of original size [2021-07-10 14:48:55,396 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:55,396 INFO L518 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2021-07-10 14:48:55,396 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-07-10 14:48:55,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:55,397 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-07-10 14:48:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:55,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318321287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:55,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:55,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-07-10 14:48:55,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505569509] [2021-07-10 14:48:55,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 14:48:55,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:55,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 14:48:55,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-07-10 14:48:55,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:55,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:55,439 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) [2021-07-10 14:48:55,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:55,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:56,035 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 14:48:56,035 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:56,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:56,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1961788092, now seen corresponding path program 8 times [2021-07-10 14:48:56,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:56,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497358598] [2021-07-10 14:48:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:56,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:56,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497358598] [2021-07-10 14:48:56,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497358598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:56,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741670851] [2021-07-10 14:48:56,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:56,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:48:56,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:56,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 14:48:56,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:56,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:56,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:48:56,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:56,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:48:56,396 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:56,415 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:48:56,415 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:56,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:56,416 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:48:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:56,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741670851] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:56,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:56,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 14:48:56,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888700289] [2021-07-10 14:48:56,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 14:48:56,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:56,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 14:48:56,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 14:48:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:56,446 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:56,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:48:56,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:56,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:56,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:56,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:56,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:56,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:48:56,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:56,853 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:56,853 INFO L82 PathProgramCache]: Analyzing trace with hash 684803702, now seen corresponding path program 9 times [2021-07-10 14:48:56,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:56,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074309690] [2021-07-10 14:48:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:57,260 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:57,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074309690] [2021-07-10 14:48:57,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074309690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:57,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696351185] [2021-07-10 14:48:57,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:57,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 14:48:57,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:57,311 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-10 14:48:57,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:58,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:58,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:58,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-07-10 14:48:58,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:48:58,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 14:48:58,662 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:58,675 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-07-10 14:48:58,675 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:58,675 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-07-10 14:48:58,675 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-07-10 14:48:58,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:58,676 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-10 14:48:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:58,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696351185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:58,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:58,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-10 14:48:58,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723950211] [2021-07-10 14:48:58,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 14:48:58,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:58,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 14:48:58,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 14:48:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:58,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:58,714 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) [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:48:58,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:59,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:48:59,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:59,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-10 14:48:59,247 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:48:59,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:48:59,247 INFO L82 PathProgramCache]: Analyzing trace with hash 883831616, now seen corresponding path program 10 times [2021-07-10 14:48:59,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:48:59,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296567294] [2021-07-10 14:48:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:48:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:48:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:59,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:48:59,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296567294] [2021-07-10 14:48:59,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296567294] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:59,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504718683] [2021-07-10 14:48:59,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:48:59,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:48:59,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:48:59,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 14:48:59,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:48:59,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:48:59,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:48:59,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:59,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:48:59,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:48:59,717 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:48:59,718 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:48:59,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:48:59,719 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:48:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:48:59,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504718683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:48:59,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:48:59,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 14:48:59,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017360799] [2021-07-10 14:48:59,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 14:48:59,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:48:59,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 14:48:59,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 14:48:59,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:59,748 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:48:59,748 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:48:59,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:59,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:59,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:48:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:48:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:48:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:48:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:48:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:00,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:00,164 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:00,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1627891314, now seen corresponding path program 11 times [2021-07-10 14:49:00,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:00,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374573947] [2021-07-10 14:49:00,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:00,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:00,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374573947] [2021-07-10 14:49:00,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374573947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:00,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531212629] [2021-07-10 14:49:00,762 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:00,805 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 14:49:00,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:00,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 14:49:00,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:01,704 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-10 14:49:02,043 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-10 14:49:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:02,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 14:49:02,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:02,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 14:49:02,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:02,555 INFO L628 ElimStorePlain]: treesize reduction 138, result has 7.4 percent of original size [2021-07-10 14:49:02,555 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:02,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-07-10 14:49:02,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-07-10 14:49:02,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:02,555 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-10 14:49:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:02,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531212629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:02,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:02,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-10 14:49:02,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903660349] [2021-07-10 14:49:02,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 14:49:02,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:02,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 14:49:02,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-10 14:49:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:02,564 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:02,564 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) [2021-07-10 14:49:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:02,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:03,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:03,176 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash -379811652, now seen corresponding path program 12 times [2021-07-10 14:49:03,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:03,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742713935] [2021-07-10 14:49:03,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:03,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:03,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742713935] [2021-07-10 14:49:03,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742713935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:03,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31923887] [2021-07-10 14:49:03,379 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:03,420 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 14:49:03,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:03,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 14:49:03,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:03,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:03,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:03,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:03,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:03,644 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:03,661 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:03,661 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:03,661 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:03,661 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:03,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31923887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:03,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:03,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 14:49:03,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493033848] [2021-07-10 14:49:03,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 14:49:03,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:03,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 14:49:03,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 14:49:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:03,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:03,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:04,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:04,238 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:04,238 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:04,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:04,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1109655670, now seen corresponding path program 13 times [2021-07-10 14:49:04,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:04,239 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525889202] [2021-07-10 14:49:04,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:05,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:05,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525889202] [2021-07-10 14:49:05,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525889202] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:05,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465767921] [2021-07-10 14:49:05,256 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:05,298 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-10 14:49:05,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:07,609 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 [2021-07-10 14:49:07,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 14:49:07,634 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:07,696 INFO L628 ElimStorePlain]: treesize reduction 128, result has 47.3 percent of original size [2021-07-10 14:49:07,696 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:07,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:07,715 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 [2021-07-10 14:49:07,718 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:07,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:49:07,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:07,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 14:49:07,731 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 14:49:07,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:49:07,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:49:07,741 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:389, output treesize:22 [2021-07-10 14:49:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:07,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465767921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:07,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:07,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-07-10 14:49:07,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979453890] [2021-07-10 14:49:07,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 14:49:07,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:07,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 14:49:07,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1115, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 14:49:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:07,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:07,800 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) [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:07,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:07,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:08,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-07-10 14:49:08,832 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:08,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:08,832 INFO L82 PathProgramCache]: Analyzing trace with hash 147421248, now seen corresponding path program 14 times [2021-07-10 14:49:08,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:08,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313316610] [2021-07-10 14:49:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:09,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:09,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313316610] [2021-07-10 14:49:09,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313316610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:09,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495053594] [2021-07-10 14:49:09,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:09,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:49:09,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:09,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 14:49:09,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:09,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:09,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:09,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:09,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:09,339 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:09,353 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:09,353 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:09,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:09,353 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:09,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495053594] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:09,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:09,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 14:49:09,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189390846] [2021-07-10 14:49:09,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 14:49:09,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:09,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 14:49:09,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 14:49:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:09,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:09,382 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 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) [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:10,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:10,018 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:10,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:10,018 INFO L82 PathProgramCache]: Analyzing trace with hash 274006386, now seen corresponding path program 15 times [2021-07-10 14:49:10,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:10,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200028774] [2021-07-10 14:49:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:10,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:10,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200028774] [2021-07-10 14:49:10,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200028774] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:10,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083804021] [2021-07-10 14:49:10,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:10,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 14:49:10,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:10,771 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 14:49:10,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:12,034 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 14:49:12,277 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 14:49:12,545 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 14:49:12,752 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 14:49:13,046 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 14:49:13,254 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 14:49:13,492 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 14:49:13,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:13,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 14:49:13,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:13,625 INFO L628 ElimStorePlain]: treesize reduction 243, result has 4.3 percent of original size [2021-07-10 14:49:13,626 INFO L518 ElimStorePlain]: Eliminatee v_prenex_71 vanished before elimination [2021-07-10 14:49:13,626 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:49:13,626 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:13,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:13,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-10 14:49:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:13,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083804021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:13,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:13,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-07-10 14:49:13,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039386783] [2021-07-10 14:49:13,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 14:49:13,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:13,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 14:49:13,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 14:49:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:13,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:13,687 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) [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:13,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:14,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-07-10 14:49:14,467 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:14,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1015304516, now seen corresponding path program 16 times [2021-07-10 14:49:14,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:14,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620824259] [2021-07-10 14:49:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:14,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:14,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620824259] [2021-07-10 14:49:14,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620824259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:14,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848602854] [2021-07-10 14:49:14,742 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:14,800 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:49:14,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:14,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 14:49:14,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:15,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:15,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:15,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:15,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:15,078 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:15,092 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:15,092 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:15,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:15,093 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:15,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848602854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:15,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:15,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 14:49:15,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889895988] [2021-07-10 14:49:15,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 14:49:15,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:15,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 14:49:15,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 14:49:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:15,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:15,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:15,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:15,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:15,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:15,810 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:15,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1410753930, now seen corresponding path program 17 times [2021-07-10 14:49:15,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:15,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859529795] [2021-07-10 14:49:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:16,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:16,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859529795] [2021-07-10 14:49:16,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859529795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:16,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256833011] [2021-07-10 14:49:16,642 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:16,690 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 14:49:16,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:16,692 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-10 14:49:16,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:18,123 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 14:49:18,378 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 14:49:18,621 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 14:49:18,888 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 14:49:19,119 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 14:49:19,431 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 14:49:19,711 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 14:49:19,950 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 14:49:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:20,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:20,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-10 14:49:20,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:20,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-10 14:49:20,128 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:20,141 INFO L628 ElimStorePlain]: treesize reduction 161, result has 6.4 percent of original size [2021-07-10 14:49:20,141 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:20,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_85 vanished before elimination [2021-07-10 14:49:20,141 INFO L518 ElimStorePlain]: Eliminatee v_prenex_84 vanished before elimination [2021-07-10 14:49:20,142 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:20,142 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-10 14:49:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:20,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256833011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:20,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:20,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-10 14:49:20,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968093787] [2021-07-10 14:49:20,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 14:49:20,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:20,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 14:49:20,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 14:49:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:20,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:20,197 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) [2021-07-10 14:49:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:20,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:21,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:21,125 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:21,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:21,126 INFO L82 PathProgramCache]: Analyzing trace with hash 807017792, now seen corresponding path program 18 times [2021-07-10 14:49:21,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:21,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739362658] [2021-07-10 14:49:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:21,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:21,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739362658] [2021-07-10 14:49:21,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739362658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:21,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240278186] [2021-07-10 14:49:21,479 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:21,523 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 14:49:21,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:21,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 14:49:21,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:21,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:21,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:21,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:21,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:21,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:21,866 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:21,866 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:21,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:21,866 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:21,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240278186] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:21,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:21,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 14:49:21,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435588085] [2021-07-10 14:49:21,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 14:49:21,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:21,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 14:49:21,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 14:49:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:21,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:21,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:21,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:22,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable207 [2021-07-10 14:49:22,574 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:22,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:22,575 INFO L82 PathProgramCache]: Analyzing trace with hash -753337230, now seen corresponding path program 19 times [2021-07-10 14:49:22,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:22,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893297398] [2021-07-10 14:49:22,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:23,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:23,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893297398] [2021-07-10 14:49:23,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893297398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:23,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191593838] [2021-07-10 14:49:23,665 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:23,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-10 14:49:23,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:25,375 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 14:49:25,639 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 14:49:25,970 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 14:49:26,206 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 14:49:26,465 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 14:49:26,762 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 14:49:27,096 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 14:49:27,420 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 14:49:27,720 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 14:49:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:27,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-10 14:49:27,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:27,872 INFO L628 ElimStorePlain]: treesize reduction 283, result has 3.7 percent of original size [2021-07-10 14:49:27,872 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:27,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_100 vanished before elimination [2021-07-10 14:49:27,873 INFO L518 ElimStorePlain]: Eliminatee v_prenex_99 vanished before elimination [2021-07-10 14:49:27,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:27,873 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-07-10 14:49:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:27,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191593838] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:27,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:27,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-10 14:49:27,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742352965] [2021-07-10 14:49:27,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 14:49:27,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:27,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 14:49:27,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1959, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 14:49:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:27,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:27,947 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) [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:27,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:28,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:28,914 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:28,914 INFO L82 PathProgramCache]: Analyzing trace with hash 221508796, now seen corresponding path program 20 times [2021-07-10 14:49:28,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:28,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680128604] [2021-07-10 14:49:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:29,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:29,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680128604] [2021-07-10 14:49:29,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680128604] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:29,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363470613] [2021-07-10 14:49:29,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:29,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:49:29,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:29,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 14:49:29,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:29,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:29,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:29,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:29,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:29,776 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:29,790 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:29,790 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:29,791 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:29,791 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:29,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363470613] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:29,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:29,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 14:49:29,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624791047] [2021-07-10 14:49:29,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 14:49:29,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:29,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 14:49:29,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 14:49:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:29,825 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:29,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:29,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:30,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:30,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:30,569 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:30,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:30,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1724246922, now seen corresponding path program 21 times [2021-07-10 14:49:30,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:30,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432713275] [2021-07-10 14:49:30,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:31,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:31,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432713275] [2021-07-10 14:49:31,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432713275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:31,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576776094] [2021-07-10 14:49:31,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:31,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 14:49:31,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:31,522 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 141 conjunts are in the unsatisfiable core [2021-07-10 14:49:31,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:32,987 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-07-10 14:49:33,527 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-07-10 14:49:34,135 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 185 [2021-07-10 14:49:34,711 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 186 [2021-07-10 14:49:35,406 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:36,044 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:36,653 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 186 [2021-07-10 14:49:37,286 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:37,900 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:38,680 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:39,324 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:40,073 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 186 [2021-07-10 14:49:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:40,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,353 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 145 treesize of output 97 [2021-07-10 14:49:40,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:40,462 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 79 [2021-07-10 14:49:40,462 INFO L628 ElimStorePlain]: treesize reduction 459, result has 26.6 percent of original size [2021-07-10 14:49:40,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:40,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 14:49:40,468 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 14:49:40,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:49:40,509 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:49:40,509 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:40,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:40,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 76 [2021-07-10 14:49:40,561 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:40,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:49:40,575 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-07-10 14:49:40,575 INFO L518 ElimStorePlain]: Eliminatee v_prenex_114 vanished before elimination [2021-07-10 14:49:40,575 INFO L518 ElimStorePlain]: Eliminatee v_prenex_115 vanished before elimination [2021-07-10 14:49:40,575 INFO L518 ElimStorePlain]: Eliminatee v_prenex_116 vanished before elimination [2021-07-10 14:49:40,576 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-10 14:49:40,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 14:49:40,577 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 15 variables, input treesize:745, output treesize:31 [2021-07-10 14:49:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:40,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576776094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:40,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:40,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 51 [2021-07-10 14:49:40,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736420203] [2021-07-10 14:49:40,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-10 14:49:40,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:40,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-10 14:49:40,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2425, Unknown=0, NotChecked=0, Total=2550 [2021-07-10 14:49:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:40,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:40,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 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) [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:40,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:41,606 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:41,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable244 [2021-07-10 14:49:41,911 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:41,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:41,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1200086464, now seen corresponding path program 22 times [2021-07-10 14:49:41,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:41,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607191943] [2021-07-10 14:49:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:42,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:42,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607191943] [2021-07-10 14:49:42,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607191943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:42,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200289601] [2021-07-10 14:49:42,337 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:42,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:49:42,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:42,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 14:49:42,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:42,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:42,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:42,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:42,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:42,858 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:42,872 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:42,872 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:42,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:42,873 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:42,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200289601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:42,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:42,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 14:49:42,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812370109] [2021-07-10 14:49:42,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 14:49:42,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:42,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 14:49:42,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 14:49:42,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:42,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:42,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.225) internal successors, (49), 40 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) [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:42,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:43,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:49:43,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:43,741 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:43,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:43,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1450940274, now seen corresponding path program 23 times [2021-07-10 14:49:43,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:43,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447450498] [2021-07-10 14:49:43,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:45,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:45,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447450498] [2021-07-10 14:49:45,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447450498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:45,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336023209] [2021-07-10 14:49:45,367 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:45,432 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 14:49:45,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:45,435 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-10 14:49:45,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:47,780 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 14:49:48,092 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 14:49:48,421 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 14:49:48,769 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 14:49:49,146 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 14:49:49,547 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 14:49:49,864 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 14:49:50,212 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 14:49:50,546 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 14:49:50,939 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 14:49:51,368 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 14:49:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:51,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:49:51,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-10 14:49:51,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:51,519 INFO L628 ElimStorePlain]: treesize reduction 331, result has 3.2 percent of original size [2021-07-10 14:49:51,519 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:51,519 INFO L518 ElimStorePlain]: Eliminatee v_prenex_134 vanished before elimination [2021-07-10 14:49:51,519 INFO L518 ElimStorePlain]: Eliminatee v_prenex_135 vanished before elimination [2021-07-10 14:49:51,520 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:51,520 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-10 14:49:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:51,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336023209] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:51,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:51,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-07-10 14:49:51,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639634770] [2021-07-10 14:49:51,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-10 14:49:51,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:51,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-10 14:49:51,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2731, Unknown=0, NotChecked=0, Total=2862 [2021-07-10 14:49:51,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:51,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:51,589 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) [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:49:51,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:52,560 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:49:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:52,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable354 [2021-07-10 14:49:52,976 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:52,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:52,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1637000516, now seen corresponding path program 24 times [2021-07-10 14:49:52,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:52,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92074346] [2021-07-10 14:49:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:53,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:53,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92074346] [2021-07-10 14:49:53,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92074346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:53,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511871150] [2021-07-10 14:49:53,518 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:53,592 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 14:49:53,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:49:53,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 14:49:53,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:54,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:49:54,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:49:54,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:54,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:49:54,094 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:49:54,108 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:49:54,108 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:49:54,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:49:54,109 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:49:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:54,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511871150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:54,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:49:54,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 14:49:54,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321073372] [2021-07-10 14:49:54,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 14:49:54,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:49:54,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 14:49:54,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 14:49:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:54,148 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:49:54,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:54,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:54,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:49:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:49:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:49:55,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable393,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:55,143 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:49:55,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:49:55,144 INFO L82 PathProgramCache]: Analyzing trace with hash 791506550, now seen corresponding path program 25 times [2021-07-10 14:49:55,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:49:55,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226985715] [2021-07-10 14:49:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:49:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:49:56,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:49:56,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226985715] [2021-07-10 14:49:56,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226985715] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:49:56,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899264357] [2021-07-10 14:49:56,565 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:49:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:49:56,615 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 14:49:56,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:49:59,153 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:49:59,571 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:00,002 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:00,382 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 14:50:00,750 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 14:50:01,198 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:01,601 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 14:50:02,016 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 14:50:02,457 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:02,905 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:03,390 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:03,891 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 14:50:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:04,097 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-07-10 14:50:04,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-10 14:50:04,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:04,195 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 159 treesize of output 105 [2021-07-10 14:50:04,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:04,217 INFO L628 ElimStorePlain]: treesize reduction 209, result has 5.0 percent of original size [2021-07-10 14:50:04,217 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:04,217 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-07-10 14:50:04,217 INFO L518 ElimStorePlain]: Eliminatee v_prenex_156 vanished before elimination [2021-07-10 14:50:04,217 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:04,218 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-10 14:50:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:04,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899264357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:04,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:04,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 57 [2021-07-10 14:50:04,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123218151] [2021-07-10 14:50:04,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-10 14:50:04,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:04,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-10 14:50:04,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3054, Unknown=0, NotChecked=0, Total=3192 [2021-07-10 14:50:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:04,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:04,230 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) [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:04,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:05,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:05,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable395,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:05,849 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:05,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:05,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1102808896, now seen corresponding path program 26 times [2021-07-10 14:50:05,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:05,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440946054] [2021-07-10 14:50:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:06,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:06,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440946054] [2021-07-10 14:50:06,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440946054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:06,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284356818] [2021-07-10 14:50:06,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:06,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:50:06,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:50:06,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 14:50:06,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:07,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:07,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:50:07,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:07,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:50:07,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:07,114 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:50:07,115 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:07,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:07,115 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:50:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:07,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284356818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:07,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:07,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 14:50:07,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482247407] [2021-07-10 14:50:07,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 14:50:07,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:07,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 14:50:07,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 14:50:07,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:07,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:07,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:08,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:08,226 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:08,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:08,226 INFO L82 PathProgramCache]: Analyzing trace with hash -173747598, now seen corresponding path program 27 times [2021-07-10 14:50:08,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:08,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127438481] [2021-07-10 14:50:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:10,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:10,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127438481] [2021-07-10 14:50:10,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127438481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:10,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556996978] [2021-07-10 14:50:10,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:10,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 14:50:10,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:50:10,088 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-10 14:50:10,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:13,015 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:13,447 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:13,931 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 14:50:14,435 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 14:50:14,931 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 14:50:15,498 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:16,254 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:16,698 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:17,179 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:17,676 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 14:50:18,194 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 14:50:18,715 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:19,167 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 14:50:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:19,406 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-07-10 14:50:19,407 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 [2021-07-10 14:50:19,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:19,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-10 14:50:19,497 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:19,513 INFO L628 ElimStorePlain]: treesize reduction 220, result has 4.8 percent of original size [2021-07-10 14:50:19,514 INFO L518 ElimStorePlain]: Eliminatee v_prenex_171 vanished before elimination [2021-07-10 14:50:19,514 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:50:19,514 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:19,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:19,515 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-10 14:50:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:19,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556996978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:19,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:19,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-07-10 14:50:19,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16936100] [2021-07-10 14:50:19,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-10 14:50:19,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:19,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-10 14:50:19,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3631, Unknown=0, NotChecked=0, Total=3782 [2021-07-10 14:50:19,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:19,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:19,613 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) [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:19,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:19,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:20,717 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-10 14:50:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:21,151 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable436 [2021-07-10 14:50:21,151 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:21,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:21,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1659903812, now seen corresponding path program 28 times [2021-07-10 14:50:21,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:21,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994899656] [2021-07-10 14:50:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:21,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:21,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994899656] [2021-07-10 14:50:21,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994899656] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:21,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192284798] [2021-07-10 14:50:21,848 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:21,903 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:50:21,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:50:21,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 14:50:21,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:22,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:22,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:50:22,544 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:22,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:50:22,547 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:22,561 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:50:22,561 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:22,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:22,561 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:50:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:22,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192284798] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:22,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:22,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 14:50:22,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566419344] [2021-07-10 14:50:22,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 14:50:22,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:22,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 14:50:22,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 14:50:22,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:22,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:22,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:23,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable481,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:23,702 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:23,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:23,702 INFO L82 PathProgramCache]: Analyzing trace with hash 81504374, now seen corresponding path program 29 times [2021-07-10 14:50:23,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:23,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812691772] [2021-07-10 14:50:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:25,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:25,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812691772] [2021-07-10 14:50:25,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812691772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:25,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748963615] [2021-07-10 14:50:25,707 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:25,774 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 14:50:25,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:50:25,777 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-10 14:50:25,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:29,256 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:29,806 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:30,300 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 14:50:30,812 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 14:50:31,387 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:31,922 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 14:50:32,450 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 14:50:33,060 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:33,665 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:34,274 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:34,861 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:35,497 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:36,090 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 14:50:36,676 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 14:50:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:36,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:36,949 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-07-10 14:50:36,950 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 [2021-07-10 14:50:36,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-10 14:50:37,029 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:37,141 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2021-07-10 14:50:37,141 INFO L628 ElimStorePlain]: treesize reduction 212, result has 48.9 percent of original size [2021-07-10 14:50:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:37,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-07-10 14:50:37,213 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:37,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:50:37,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:37,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 14:50:37,227 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 14:50:37,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:50:37,237 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:37,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:50:37,238 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-07-10 14:50:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:37,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748963615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:37,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:37,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 66 [2021-07-10 14:50:37,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404433852] [2021-07-10 14:50:37,289 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 14:50:37,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:37,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 14:50:37,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=4146, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 14:50:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:37,290 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:37,290 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) [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:37,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:39,350 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-10 14:50:39,921 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2021-07-10 14:50:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:40,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable483,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:40,313 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:40,313 INFO L82 PathProgramCache]: Analyzing trace with hash 2109492288, now seen corresponding path program 30 times [2021-07-10 14:50:40,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:40,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145585151] [2021-07-10 14:50:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:41,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:41,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145585151] [2021-07-10 14:50:41,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145585151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:41,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729501200] [2021-07-10 14:50:41,088 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:41,167 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-10 14:50:41,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:50:41,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 14:50:41,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:41,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:41,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:50:41,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:41,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:50:41,895 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:41,909 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:50:41,909 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:41,910 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:41,910 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:50:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:41,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729501200] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:41,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:41,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 14:50:41,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698431953] [2021-07-10 14:50:41,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 14:50:41,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:41,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 14:50:41,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 14:50:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:41,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:41,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 52 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) [2021-07-10 14:50:41,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:41,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:50:43,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable537 [2021-07-10 14:50:43,226 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:43,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:43,226 INFO L82 PathProgramCache]: Analyzing trace with hash 968666482, now seen corresponding path program 31 times [2021-07-10 14:50:43,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:43,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92050273] [2021-07-10 14:50:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:45,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:50:45,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92050273] [2021-07-10 14:50:45,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92050273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:45,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706671179] [2021-07-10 14:50:45,016 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:50:45,083 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-10 14:50:45,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:50:48,927 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:49,571 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:50,184 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:50,786 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:51,369 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:51,858 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:50:52,392 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:50:53,015 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:53,535 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:50:54,050 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:50:54,669 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:55,303 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:55,828 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:50:56,452 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:57,057 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:50:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:57,323 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-07-10 14:50:57,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 126 [2021-07-10 14:50:57,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:50:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:50:57,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-10 14:50:57,412 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:50:57,427 INFO L628 ElimStorePlain]: treesize reduction 248, result has 4.2 percent of original size [2021-07-10 14:50:57,428 INFO L518 ElimStorePlain]: Eliminatee v_prenex_219 vanished before elimination [2021-07-10 14:50:57,428 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:50:57,428 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:50:57,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:50:57,428 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-10 14:50:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:50:57,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706671179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:50:57,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:50:57,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-10 14:50:57,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593805595] [2021-07-10 14:50:57,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-10 14:50:57,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:50:57,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-10 14:50:57,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-10 14:50:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:57,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:50:57,534 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) [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:50:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:50:59,054 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:50:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:50:59,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable539,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:50:59,549 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:50:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:50:59,549 INFO L82 PathProgramCache]: Analyzing trace with hash -50100548, now seen corresponding path program 32 times [2021-07-10 14:50:59,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:50:59,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675320791] [2021-07-10 14:50:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:50:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:00,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:51:00,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675320791] [2021-07-10 14:51:00,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675320791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:00,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528000683] [2021-07-10 14:51:00,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:00,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:51:00,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:51:00,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 14:51:00,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:51:01,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:01,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:51:01,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:01,109 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 [2021-07-10 14:51:01,109 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:01,123 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:51:01,123 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:51:01,124 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:51:01,124 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:51:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:01,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528000683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:01,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:51:01,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 14:51:01,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273164739] [2021-07-10 14:51:01,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 14:51:01,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:51:01,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 14:51:01,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 14:51:01,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:01,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:51:01,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 55 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:01,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:01,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:02,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:02,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable585 [2021-07-10 14:51:02,574 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:51:02,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:51:02,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1554201994, now seen corresponding path program 33 times [2021-07-10 14:51:02,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:51:02,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762672387] [2021-07-10 14:51:02,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:51:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:04,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:51:04,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762672387] [2021-07-10 14:51:04,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762672387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:04,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397815421] [2021-07-10 14:51:04,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:04,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-10 14:51:04,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:51:04,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-10 14:51:04,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:51:06,637 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 14:51:07,831 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 14:51:08,545 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:09,197 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:09,860 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:10,521 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:11,054 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:51:11,722 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:12,286 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:51:12,864 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:51:13,566 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:14,227 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:14,847 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:51:15,550 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:16,273 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:16,942 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:17,649 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:51:18,278 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:51:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:18,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:18,591 INFO L244 Elim1Store]: Index analysis took 214 ms [2021-07-10 14:51:18,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 133 [2021-07-10 14:51:18,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:18,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:18,707 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-10 14:51:18,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-07-10 14:51:18,715 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:18,730 INFO L628 ElimStorePlain]: treesize reduction 259, result has 4.1 percent of original size [2021-07-10 14:51:18,730 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:51:18,731 INFO L518 ElimStorePlain]: Eliminatee v_prenex_245 vanished before elimination [2021-07-10 14:51:18,731 INFO L518 ElimStorePlain]: Eliminatee v_prenex_246 vanished before elimination [2021-07-10 14:51:18,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:51:18,731 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-10 14:51:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:18,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397815421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:18,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:51:18,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 74 [2021-07-10 14:51:18,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411261532] [2021-07-10 14:51:18,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-07-10 14:51:18,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:51:18,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-07-10 14:51:18,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=5221, Unknown=0, NotChecked=0, Total=5402 [2021-07-10 14:51:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:18,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:51:18,831 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) [2021-07-10 14:51:18,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:18,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:18,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:18,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:18,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:20,727 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:21,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:21,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable587 [2021-07-10 14:51:21,269 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:51:21,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:51:21,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1336774336, now seen corresponding path program 34 times [2021-07-10 14:51:21,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:51:21,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334436811] [2021-07-10 14:51:21,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:51:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:22,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:51:22,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334436811] [2021-07-10 14:51:22,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334436811] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:22,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752250721] [2021-07-10 14:51:22,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:22,225 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:51:22,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:51:22,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 78 conjunts are in the unsatisfiable core [2021-07-10 14:51:22,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:51:23,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:23,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:51:23,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:23,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:51:23,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:23,117 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:51:23,117 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:51:23,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:51:23,117 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:51:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:23,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752250721] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:23,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:51:23,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2021-07-10 14:51:23,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987681114] [2021-07-10 14:51:23,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 14:51:23,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:51:23,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 14:51:23,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=3157, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 14:51:23,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:23,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:51:23,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1551724137931034) internal successors, (67), 58 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:23,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:23,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:51:24,775 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable635 [2021-07-10 14:51:24,776 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:51:24,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:51:24,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1508583538, now seen corresponding path program 35 times [2021-07-10 14:51:24,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:51:24,776 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685943281] [2021-07-10 14:51:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:51:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:26,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:51:26,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685943281] [2021-07-10 14:51:26,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685943281] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:26,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953730580] [2021-07-10 14:51:26,987 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:27,070 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 14:51:27,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:51:27,073 WARN L261 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 221 conjunts are in the unsatisfiable core [2021-07-10 14:51:27,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:51:29,754 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 14:51:31,840 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-10 14:51:32,569 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:51:33,251 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:51:33,901 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:34,633 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:51:35,251 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:36,083 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:36,731 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:37,402 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:38,048 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:38,747 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:39,418 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:40,065 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:40,831 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:51:41,517 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:42,193 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:51:42,965 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:51:43,883 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:51:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:44,188 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-07-10 14:51:44,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 140 [2021-07-10 14:51:44,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:51:44,335 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-07-10 14:51:44,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 138 [2021-07-10 14:51:44,343 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:44,360 INFO L628 ElimStorePlain]: treesize reduction 266, result has 4.0 percent of original size [2021-07-10 14:51:44,361 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:51:44,361 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-07-10 14:51:44,361 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-07-10 14:51:44,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:51:44,361 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:668, output treesize:11 [2021-07-10 14:51:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:44,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953730580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:44,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:51:44,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40] total 78 [2021-07-10 14:51:44,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258792655] [2021-07-10 14:51:44,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-07-10 14:51:44,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:51:44,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-07-10 14:51:44,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=5815, Unknown=0, NotChecked=0, Total=6006 [2021-07-10 14:51:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:44,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:51:44,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 1.141025641025641) internal successors, (89), 78 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:51:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:44,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:44,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:44,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:51:44,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:46,337 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2021-07-10 14:51:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:51:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:46,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable637 [2021-07-10 14:51:46,838 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:51:46,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:51:46,839 INFO L82 PathProgramCache]: Analyzing trace with hash 3165372, now seen corresponding path program 36 times [2021-07-10 14:51:46,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:51:46,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495700503] [2021-07-10 14:51:46,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:51:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:47,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:51:47,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495700503] [2021-07-10 14:51:47,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495700503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:47,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341155310] [2021-07-10 14:51:47,837 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:47,910 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-10 14:51:47,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:51:47,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 82 conjunts are in the unsatisfiable core [2021-07-10 14:51:47,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:51:48,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:51:48,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:51:48,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:48,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:51:48,942 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:51:48,956 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:51:48,956 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:51:48,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:51:48,957 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:51:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:49,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341155310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:49,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:51:49,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 61 [2021-07-10 14:51:49,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557907152] [2021-07-10 14:51:49,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-10 14:51:49,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:51:49,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-10 14:51:49,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=3503, Unknown=0, NotChecked=0, Total=3660 [2021-07-10 14:51:49,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:49,010 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:51:49,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 61 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:49,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:51:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:51:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:51:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:51:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:51:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:51:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:51:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:51:50,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable693,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:50,761 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:51:50,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:51:50,761 INFO L82 PathProgramCache]: Analyzing trace with hash 97041526, now seen corresponding path program 37 times [2021-07-10 14:51:50,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:51:50,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093583204] [2021-07-10 14:51:50,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:51:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:51:52,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:51:52,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093583204] [2021-07-10 14:51:52,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093583204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:51:52,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376075017] [2021-07-10 14:51:52,741 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:51:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:51:52,805 WARN L261 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 233 conjunts are in the unsatisfiable core [2021-07-10 14:51:52,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:51:55,871 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-10 14:51:57,620 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-07-10 14:51:58,400 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:51:59,246 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:00,146 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:00,915 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:01,761 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:02,497 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:03,429 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:04,411 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:05,301 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:06,109 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:07,065 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:07,966 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:08,737 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:09,647 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:10,482 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:11,258 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:12,217 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:52:13,016 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:52:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:52:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:13,249 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-07-10 14:52:13,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 145 [2021-07-10 14:52:13,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:13,324 INFO L628 ElimStorePlain]: treesize reduction 481, result has 2.2 percent of original size [2021-07-10 14:52:13,324 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:52:13,324 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-07-10 14:52:13,325 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-07-10 14:52:13,325 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:52:13,325 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:701, output treesize:11 [2021-07-10 14:52:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:13,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376075017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:13,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:52:13,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42] total 82 [2021-07-10 14:52:13,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073699742] [2021-07-10 14:52:13,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-10 14:52:13,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:13,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-10 14:52:13,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=6441, Unknown=0, NotChecked=0, Total=6642 [2021-07-10 14:52:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:13,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:13,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:13,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:13,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:13,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:13,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:16,240 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-07-10 14:52:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:16,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable695 [2021-07-10 14:52:16,875 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:16,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:16,875 INFO L82 PathProgramCache]: Analyzing trace with hash 794162752, now seen corresponding path program 38 times [2021-07-10 14:52:16,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:16,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395343600] [2021-07-10 14:52:16,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:17,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:17,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395343600] [2021-07-10 14:52:17,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395343600] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:17,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048894182] [2021-07-10 14:52:17,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:52:17,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:52:17,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:52:17,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-10 14:52:17,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:52:19,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:52:19,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:52:19,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:19,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:52:19,049 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:19,064 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:52:19,064 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:52:19,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:52:19,065 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:52:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:19,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048894182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:19,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:52:19,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 64 [2021-07-10 14:52:19,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227110797] [2021-07-10 14:52:19,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-10 14:52:19,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:19,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-10 14:52:19,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3867, Unknown=0, NotChecked=0, Total=4032 [2021-07-10 14:52:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:19,121 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:19,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.140625) internal successors, (73), 64 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) [2021-07-10 14:52:19,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:19,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:19,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:19,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:20,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:52:21,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable751,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:52:21,153 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:21,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:21,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1151843470, now seen corresponding path program 39 times [2021-07-10 14:52:21,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:21,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163814049] [2021-07-10 14:52:21,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:23,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:23,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163814049] [2021-07-10 14:52:23,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163814049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:23,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259996169] [2021-07-10 14:52:23,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:52:23,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-10 14:52:23,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:52:23,615 WARN L261 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 245 conjunts are in the unsatisfiable core [2021-07-10 14:52:23,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:52:27,097 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-07-10 14:52:28,999 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-07-10 14:52:29,871 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:30,839 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:31,756 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:32,564 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:33,486 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:34,483 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:35,422 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:36,463 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:37,346 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:38,214 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:39,217 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:40,174 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:41,125 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:41,987 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:43,011 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:44,140 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:45,086 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2021-07-10 14:52:46,186 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:47,399 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:52:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:52:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:52:47,773 INFO L244 Elim1Store]: Index analysis took 277 ms [2021-07-10 14:52:47,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 154 [2021-07-10 14:52:47,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:52:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:52:47,921 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-07-10 14:52:47,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 152 [2021-07-10 14:52:47,931 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:47,948 INFO L628 ElimStorePlain]: treesize reduction 288, result has 3.7 percent of original size [2021-07-10 14:52:47,948 INFO L518 ElimStorePlain]: Eliminatee v_prenex_307 vanished before elimination [2021-07-10 14:52:47,948 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:52:47,948 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:52:47,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:52:47,949 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:734, output treesize:11 [2021-07-10 14:52:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:48,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259996169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:48,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:52:48,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44] total 86 [2021-07-10 14:52:48,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091375680] [2021-07-10 14:52:48,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-10 14:52:48,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:48,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-10 14:52:48,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=7099, Unknown=0, NotChecked=0, Total=7310 [2021-07-10 14:52:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:48,090 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:48,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.127906976744186) internal successors, (97), 86 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:52:48,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:50,923 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 122 [2021-07-10 14:52:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:52:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:51,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable753 [2021-07-10 14:52:51,507 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:51,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:51,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1233243460, now seen corresponding path program 40 times [2021-07-10 14:52:51,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:51,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018876877] [2021-07-10 14:52:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:52,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:52,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018876877] [2021-07-10 14:52:52,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018876877] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:52,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764636116] [2021-07-10 14:52:52,693 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:52:52,758 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:52:52,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:52:52,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 90 conjunts are in the unsatisfiable core [2021-07-10 14:52:52,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:52:53,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:52:53,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:52:53,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:53,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:52:53,938 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:52:53,956 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:52:53,957 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:52:53,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:52:53,957 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:52:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:54,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764636116] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:54,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:52:54,016 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 67 [2021-07-10 14:52:54,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914612694] [2021-07-10 14:52:54,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 14:52:54,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:52:54,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 14:52:54,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=4249, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 14:52:54,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:54,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:52:54,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:52:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:52:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 14:52:56,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable813,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:52:56,210 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:52:56,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:52:56,211 INFO L82 PathProgramCache]: Analyzing trace with hash 423073398, now seen corresponding path program 41 times [2021-07-10 14:52:56,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:52:56,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123206810] [2021-07-10 14:52:56,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:52:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:52:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:52:59,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:52:59,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123206810] [2021-07-10 14:52:59,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123206810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:52:59,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789865089] [2021-07-10 14:52:59,057 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:52:59,166 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-10 14:52:59,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:52:59,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 257 conjunts are in the unsatisfiable core [2021-07-10 14:52:59,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:53:03,181 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 14:53:05,309 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-07-10 14:53:06,449 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:07,410 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:53:08,309 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:53:09,368 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:10,539 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:11,670 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:12,877 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:14,073 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:15,187 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:16,377 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:17,555 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:18,586 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:53:19,600 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:53:20,784 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:21,988 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:23,162 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:24,138 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:53:25,274 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:26,348 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:53:27,795 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:53:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:53:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:53:28,232 INFO L244 Elim1Store]: Index analysis took 326 ms [2021-07-10 14:53:28,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 210 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 159 [2021-07-10 14:53:28,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:53:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:53:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:53:28,382 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-07-10 14:53:28,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 210 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 161 [2021-07-10 14:53:28,389 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:53:28,406 INFO L628 ElimStorePlain]: treesize reduction 293, result has 3.6 percent of original size [2021-07-10 14:53:28,406 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:53:28,406 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:53:28,406 INFO L518 ElimStorePlain]: Eliminatee v_prenex_340 vanished before elimination [2021-07-10 14:53:28,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:53:28,407 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:767, output treesize:11 [2021-07-10 14:53:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:53:28,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789865089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:53:28,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:53:28,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 46] total 89 [2021-07-10 14:53:28,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768980366] [2021-07-10 14:53:28,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-10 14:53:28,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:53:28,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-10 14:53:28,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7614, Unknown=0, NotChecked=0, Total=7832 [2021-07-10 14:53:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:53:28,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:53:28,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 1.101123595505618) internal successors, (98), 89 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:53:28,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 14:53:28,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:53:31,639 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 14:53:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:53:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:53:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:53:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:53:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:53:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 14:53:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:53:32,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable815,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:53:32,321 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:53:32,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:53:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash -492905664, now seen corresponding path program 42 times [2021-07-10 14:53:32,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:53:32,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063462779] [2021-07-10 14:53:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:53:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:53:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:53:33,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:53:33,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063462779] [2021-07-10 14:53:33,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063462779] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:53:33,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616500486] [2021-07-10 14:53:33,711 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:53:33,810 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-10 14:53:33,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:53:33,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 94 conjunts are in the unsatisfiable core [2021-07-10 14:53:33,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:53:35,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:53:35,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:53:35,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:53:35,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:53:35,089 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:53:35,105 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:53:35,105 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:53:35,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:53:35,106 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:53:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:53:35,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616500486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:53:35,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:53:35,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 70 [2021-07-10 14:53:35,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025898988] [2021-07-10 14:53:35,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-10 14:53:35,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:53:35,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-10 14:53:35,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=4649, Unknown=0, NotChecked=0, Total=4830 [2021-07-10 14:53:35,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:53:35,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:53:35,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:35,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:53:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:53:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:53:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 14:53:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:53:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:53:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 14:53:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 14:53:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-10 14:53:37,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable872 [2021-07-10 14:53:37,705 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:53:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:53:37,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1898708594, now seen corresponding path program 43 times [2021-07-10 14:53:37,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:53:37,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359876413] [2021-07-10 14:53:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:53:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:53:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:53:41,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:53:41,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359876413] [2021-07-10 14:53:41,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359876413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:53:41,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850756014] [2021-07-10 14:53:41,697 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:53:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:53:41,770 WARN L261 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 269 conjunts are in the unsatisfiable core [2021-07-10 14:53:41,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:53:46,158 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 14:53:46,823 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 14:53:46,824 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 14:53:47,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable874 [2021-07-10 14:53:47,025 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-10 14:53:47,029 INFO L168 Benchmark]: Toolchain (without parser) took 301595.11 ms. Allocated memory was 186.6 MB in the beginning and 595.6 MB in the end (delta: 408.9 MB). Free memory was 166.8 MB in the beginning and 492.5 MB in the end (delta: -325.7 MB). Peak memory consumption was 395.3 MB. Max. memory is 8.0 GB. [2021-07-10 14:53:47,029 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 186.6 MB. Free memory is still 167.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:53:47,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.97 ms. Allocated memory is still 186.6 MB. Free memory was 166.7 MB in the beginning and 165.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-10 14:53:47,029 INFO L168 Benchmark]: Boogie Preprocessor took 12.42 ms. Allocated memory is still 186.6 MB. Free memory was 165.2 MB in the beginning and 164.2 MB in the end (delta: 942.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:53:47,029 INFO L168 Benchmark]: RCFGBuilder took 262.62 ms. Allocated memory is still 186.6 MB. Free memory was 164.1 MB in the beginning and 147.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-10 14:53:47,029 INFO L168 Benchmark]: TraceAbstraction took 301286.61 ms. Allocated memory was 186.6 MB in the beginning and 595.6 MB in the end (delta: 408.9 MB). Free memory was 146.6 MB in the beginning and 492.5 MB in the end (delta: -345.8 MB). Peak memory consumption was 374.3 MB. Max. memory is 8.0 GB. [2021-07-10 14:53:47,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 186.6 MB. Free memory is still 167.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.97 ms. Allocated memory is still 186.6 MB. Free memory was 166.7 MB in the beginning and 165.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.42 ms. Allocated memory is still 186.6 MB. Free memory was 165.2 MB in the beginning and 164.2 MB in the end (delta: 942.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 262.62 ms. Allocated memory is still 186.6 MB. Free memory was 164.1 MB in the beginning and 147.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 301286.61 ms. Allocated memory was 186.6 MB in the beginning and 595.6 MB in the end (delta: 408.9 MB). Free memory was 146.6 MB in the beginning and 492.5 MB in the end (delta: -345.8 MB). Peak memory consumption was 374.3 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...