/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 09:25:49,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 09:25:49,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 09:25:49,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 09:25:49,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 09:25:49,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 09:25:49,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 09:25:49,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 09:25:49,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 09:25:49,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 09:25:49,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 09:25:49,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 09:25:49,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 09:25:49,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 09:25:49,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 09:25:49,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 09:25:49,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 09:25:49,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 09:25:49,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 09:25:49,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 09:25:49,516 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 09:25:49,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 09:25:49,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 09:25:49,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 09:25:49,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 09:25:49,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 09:25:49,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 09:25:49,546 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 09:25:49,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 09:25:49,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 09:25:49,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 09:25:49,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 09:25:49,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 09:25:49,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 09:25:49,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 09:25:49,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 09:25:49,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 09:25:49,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 09:25:49,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 09:25:49,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 09:25:49,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 09:25:49,550 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 09:25:49,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 09:25:49,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 09:25:49,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 09:25:49,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 09:25:49,844 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 09:25:49,846 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 09:25:49,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-07-10 09:25:49,846 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-07-10 09:25:49,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 09:25:49,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 09:25:49,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 09:25:49,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 09:25:49,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 09:25:49,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 09:25:49,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 09:25:49,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 09:25:49,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 09:25:49,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/1) ... [2021-07-10 09:25:49,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 09:25:49,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 09:25:49,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 09:25:49,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 09:25:49,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (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 09:25:49,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 09:25:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 09:25:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 09:25:49,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 09:25:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 09:25:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 09:25:49,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 09:25:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 09:25:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 09:25:49,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 09:25:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 09:25:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 09:25:49,985 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 09:25:50,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 09:25:50,149 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 09:25:50,151 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:25:50 BoogieIcfgContainer [2021-07-10 09:25:50,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 09:25:50,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 09:25:50,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 09:25:50,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 09:25:50,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:25:49" (1/2) ... [2021-07-10 09:25:50,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53600616 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 09:25:50, skipping insertion in model container [2021-07-10 09:25:50,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:25:50" (2/2) ... [2021-07-10 09:25:50,155 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-07-10 09:25:50,159 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 09:25:50,159 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 09:25:50,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 09:25:50,159 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 09:25:50,240 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 09:25:50,273 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 09:25:50,313 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 09:25:50,313 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 09:25:50,313 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 09:25:50,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 09:25:50,314 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 09:25:50,314 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 09:25:50,314 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 09:25:50,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 09:25:50,403 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:50,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:50,407 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 09:25:50,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:50,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888468081] [2021-07-10 09:25:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:50,559 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 09:25:50,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:50,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888468081] [2021-07-10 09:25:50,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888468081] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:25:50,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:25:50,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 09:25:50,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785790785] [2021-07-10 09:25:50,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 09:25:50,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:50,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 09:25:50,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 09:25:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:50,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:50,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:50,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:50,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 09:25:50,595 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:50,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:50,598 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 09:25:50,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:50,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838705419] [2021-07-10 09:25:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:25:50,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:50,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838705419] [2021-07-10 09:25:50,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838705419] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:25:50,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:25:50,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 09:25:50,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805884702] [2021-07-10 09:25:50,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 09:25:50,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:50,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 09:25:50,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 09:25:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:50,665 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:50,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:25:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:50,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:50,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:50,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 09:25:50,716 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:50,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:50,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 09:25:50,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:50,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465755670] [2021-07-10 09:25:50,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:51,138 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 09:25:51,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:51,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465755670] [2021-07-10 09:25:51,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465755670] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:51,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585755130] [2021-07-10 09:25:51,139 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 09:25:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:51,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 09:25:51,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:51,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 09:25:51,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 09:25:51,516 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 09:25:51,525 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 09:25:51,535 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-10 09:25:51,541 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-10 09:25:51,549 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 09:25:51,556 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-07-10 09:25:51,561 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:51,598 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:25:51,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 09:25:51,605 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-10 09:25:51,661 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 09:25:51,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585755130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:51,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:51,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 09:25:51,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19158150] [2021-07-10 09:25:51,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 09:25:51,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:51,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 09:25:51,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-10 09:25:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:51,665 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:51,665 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 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 09:25:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:52,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:52,053 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:52,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:52,053 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 09:25:52,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:52,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676306729] [2021-07-10 09:25:52,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:52,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:52,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676306729] [2021-07-10 09:25:52,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676306729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:52,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556506029] [2021-07-10 09:25:52,097 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 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 09:25:52,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:25:52,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:25:52,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:25:52,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:52,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556506029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:52,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:52,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 09:25:52,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561627454] [2021-07-10 09:25:52,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 09:25:52,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:52,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 09:25:52,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 09:25:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:52,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:52,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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 09:25:52,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:52,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:52,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:52,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:52,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:52,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:52,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:52,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-10 09:25:52,619 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:52,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:52,619 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 09:25:52,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:52,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810351926] [2021-07-10 09:25:52,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:25:52,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:52,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810351926] [2021-07-10 09:25:52,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810351926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:52,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556347300] [2021-07-10 09:25:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 09:25:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:52,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:25:52,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:25:52,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556347300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:52,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:25:52,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 09:25:52,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346497984] [2021-07-10 09:25:52,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 09:25:52,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:25:52,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 09:25:52,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 09:25:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:52,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:25:52,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 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 09:25:52,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:52,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:52,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:52,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:52,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:25:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:25:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:25:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:25:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:25:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:25:53,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:25:53,092 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:25:53,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:25:53,092 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 09:25:53,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:25:53,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062919431] [2021-07-10 09:25:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:25:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:25:53,589 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-10 09:25:53,831 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-10 09:25:54,075 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-10 09:25:54,234 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-10 09:25:54,388 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-10 09:25:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:25:54,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:25:54,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062919431] [2021-07-10 09:25:54,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062919431] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:25:54,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988886411] [2021-07-10 09:25:54,524 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 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 09:25:54,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:25:54,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:25:54,570 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 09:25:54,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:25:55,789 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-10 09:25:56,909 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_43, v_prenex_41, v_prenex_25, v_prenex_35, v_prenex_45, v_prenex_29, v_prenex_18, v_prenex_39, v_prenex_16, v_prenex_27], 10=[v_prenex_31, v_prenex_20, v_prenex_23, v_prenex_33, v_prenex_37]} [2021-07-10 09:25:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:57,053 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:25:57,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-10 09:25:57,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:25:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:25:57,160 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-10 09:25:57,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-07-10 09:25:57,162 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:00,598 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-10 09:26:00,599 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 09:26:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:00,701 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:26:00,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-10 09:26:00,707 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:00,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:00,791 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:26:00,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-10 09:26:00,794 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:02,612 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 09:26:02,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:02,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:02,708 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:02,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-10 09:26:02,718 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:02,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:02,806 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-10 09:26:02,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-07-10 09:26:02,822 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:04,449 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-10 09:26:04,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,535 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:26:04,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-07-10 09:26:04,538 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:04,629 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 09:26:04,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-07-10 09:26:04,640 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:06,263 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-10 09:26:06,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:06,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:06,375 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 09:26:06,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-10 09:26:06,391 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:06,452 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-10 09:26:06,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 40 [2021-07-10 09:26:06,457 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:07,967 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-10 09:26:07,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:08,071 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 09:26:08,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-07-10 09:26:08,078 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:08,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:08,155 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:26:08,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-07-10 09:26:08,163 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:09,650 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-10 09:26:09,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:09,758 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:26:09,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-07-10 09:26:09,791 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:09,846 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:26:09,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-07-10 09:26:09,849 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:11,207 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-10 09:26:11,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:11,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:11,302 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:26:11,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-07-10 09:26:11,337 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:11,402 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 09:26:11,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-10 09:26:11,406 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:12,759 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-10 09:26:12,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:12,831 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-10 09:26:12,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-07-10 09:26:12,834 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:12,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:12,891 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 09:26:12,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-10 09:26:12,898 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:14,213 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 09:26:14,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:14,285 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 09:26:14,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-07-10 09:26:14,331 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:14,384 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:14,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-07-10 09:26:14,397 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:16,754 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-10 09:26:16,756 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-10 09:26:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:16,814 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:26:16,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-07-10 09:26:16,825 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:16,888 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 09:26:16,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-07-10 09:26:16,892 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:18,070 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-10 09:26:18,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:18,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,143 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-10 09:26:18,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-07-10 09:26:18,173 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:18,234 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 09:26:18,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-07-10 09:26:18,240 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:19,368 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-10 09:26:19,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:19,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-07-10 09:26:19,458 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:19,528 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-10 09:26:19,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-07-10 09:26:19,531 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:20,659 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-10 09:26:20,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,717 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-10 09:26:20,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-07-10 09:26:20,720 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:20,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:20,766 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 09:26:20,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-07-10 09:26:20,771 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:21,801 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 233 [2021-07-10 09:26:21,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,863 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 09:26:21,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-10 09:26:21,876 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:21,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:21,925 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 09:26:21,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-10 09:26:21,951 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:22,870 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-07-10 09:26:22,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:22,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,927 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 09:26:22,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-10 09:26:22,959 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:23,003 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 09:26:23,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-07-10 09:26:23,008 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:23,983 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-10 09:26:23,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:26:24,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-10 09:26:24,220 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-10 09:26:24,958 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-10 09:26:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:26:25,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988886411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:25,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:26:25,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 09:26:25,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701379418] [2021-07-10 09:26:25,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 09:26:25,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:26:25,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 09:26:25,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-10 09:26:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:25,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:26:25,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:26:25,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:25,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:25,554 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-10 09:26:25,784 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-10 09:26:26,006 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-10 09:26:26,372 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-10 09:26:26,577 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-10 09:26:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:26:26,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 09:26:26,869 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:26:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:26:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 09:26:26,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:26:26,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875388088] [2021-07-10 09:26:26,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:26:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:26:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:26:26,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:26:26,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875388088] [2021-07-10 09:26:26,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875388088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:26,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665707273] [2021-07-10 09:26:26,957 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 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 09:26:26,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 09:26:26,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:26:26,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:26:26,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:26:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:26:27,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665707273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:27,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:26:27,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 09:26:27,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863754477] [2021-07-10 09:26:27,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 09:26:27,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:26:27,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 09:26:27,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 09:26:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:27,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:26:27,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:26:27,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:26:27,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:26:27,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-10 09:26:27,729 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:26:27,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:26:27,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 09:26:27,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:26:27,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193275795] [2021-07-10 09:26:27,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:26:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:26:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:26:27,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:26:27,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193275795] [2021-07-10 09:26:27,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193275795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:27,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33170611] [2021-07-10 09:26:27,787 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 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 09:26:27,816 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 09:26:27,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:26:27,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:26:27,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:26:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 09:26:27,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33170611] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:27,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:26:27,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 09:26:27,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873289916] [2021-07-10 09:26:27,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 09:26:27,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:26:27,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 09:26:27,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 09:26:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:27,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:26:27,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:26:27,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:26:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:26:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:26:28,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-10 09:26:28,261 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:26:28,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:26:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 09:26:28,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:26:28,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857271467] [2021-07-10 09:26:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:26:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:26:29,015 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-10 09:26:29,323 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-10 09:26:29,494 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-10 09:26:29,817 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-10 09:26:30,195 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-10 09:26:31,044 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-10 09:26:31,409 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-10 09:26:32,341 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-10 09:26:32,741 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-10 09:26:33,663 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-10 09:26:33,993 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-10 09:26:35,041 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-10 09:26:35,198 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-10 09:26:35,631 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-10 09:26:35,884 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-10 09:26:35,987 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 110 [2021-07-10 09:26:36,145 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-10 09:26:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:26:36,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:26:36,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857271467] [2021-07-10 09:26:36,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857271467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:26:36,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293683765] [2021-07-10 09:26:36,312 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 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 09:26:36,355 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 09:26:36,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:26:36,356 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 09:26:36,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:26:38,204 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-10 09:26:39,720 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-10 09:26:43,149 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-10 09:26:46,647 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-10 09:26:50,183 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-10 09:26:51,819 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-10 09:26:54,226 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-10 09:26:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:26:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:26:55,261 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 41 treesize of output 22 [2021-07-10 09:26:55,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:26:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:26:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:26:55,307 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 36 treesize of output 22 [2021-07-10 09:26:55,307 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:02,589 WARN L205 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-10 09:27:02,590 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-10 09:27:02,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:02,644 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 47 treesize of output 25 [2021-07-10 09:27:02,645 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:02,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:27:02,691 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:05,223 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-10 09:27:05,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:05,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:05,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:05,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:05,259 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 49 treesize of output 25 [2021-07-10 09:27:05,260 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:08,069 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-10 09:27:08,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:08,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:08,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:08,130 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 52 treesize of output 28 [2021-07-10 09:27:08,144 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:08,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:27:08,195 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:10,806 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-10 09:27:10,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:10,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:10,860 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 52 treesize of output 28 [2021-07-10 09:27:10,862 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:10,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:10,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:27:10,899 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:13,487 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-10 09:27:13,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:13,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:13,519 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 47 treesize of output 25 [2021-07-10 09:27:13,520 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:16,028 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-10 09:27:16,028 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:16,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:16,061 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 49 treesize of output 25 [2021-07-10 09:27:16,062 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:18,535 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-10 09:27:18,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:18,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:18,568 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 49 treesize of output 25 [2021-07-10 09:27:18,570 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:20,924 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-10 09:27:20,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:20,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:20,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:20,976 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:20,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:21,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:21,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:21,004 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 54 treesize of output 28 [2021-07-10 09:27:21,006 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:23,258 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-10 09:27:23,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:23,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:23,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:23,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:23,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:23,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:23,286 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 49 treesize of output 25 [2021-07-10 09:27:23,294 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:25,286 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-10 09:27:25,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:25,336 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:25,364 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 54 treesize of output 28 [2021-07-10 09:27:25,365 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:27,343 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-10 09:27:27,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:27,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:27,378 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 47 treesize of output 25 [2021-07-10 09:27:27,380 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:29,429 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-10 09:27:29,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:29,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:29,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:29,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:29,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:29,462 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 45 treesize of output 25 [2021-07-10 09:27:29,463 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:31,323 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-10 09:27:31,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:31,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:31,363 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 45 treesize of output 25 [2021-07-10 09:27:31,365 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:31,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 09:27:31,393 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:33,013 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-10 09:27:33,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:33,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:33,055 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 50 treesize of output 28 [2021-07-10 09:27:33,057 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:33,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 09:27:33,085 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:34,750 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-10 09:27:34,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:34,796 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 43 treesize of output 25 [2021-07-10 09:27:34,798 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:34,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-10 09:27:34,827 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:36,469 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 09:27:36,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:36,517 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:36,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:36,546 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 54 treesize of output 28 [2021-07-10 09:27:36,548 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:38,016 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 09:27:38,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 09:27:38,055 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:38,101 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 52 treesize of output 28 [2021-07-10 09:27:38,103 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:39,456 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 09:27:39,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:39,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:39,495 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 54 treesize of output 28 [2021-07-10 09:27:39,496 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:39,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:39,524 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:40,806 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-10 09:27:40,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:40,806 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-10 09:27:40,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:40,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:40,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:40,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:40,830 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 49 treesize of output 25 [2021-07-10 09:27:40,832 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:42,057 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-10 09:27:42,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:42,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:42,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:42,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:42,080 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 45 treesize of output 25 [2021-07-10 09:27:42,082 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:43,271 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 09:27:43,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:43,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:43,306 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 54 treesize of output 28 [2021-07-10 09:27:43,307 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:43,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:43,330 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:44,465 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-10 09:27:44,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:44,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:44,500 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 54 treesize of output 28 [2021-07-10 09:27:44,501 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:44,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:44,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:44,524 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:45,538 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 357 [2021-07-10 09:27:45,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:45,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:45,572 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 49 treesize of output 25 [2021-07-10 09:27:45,573 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:45,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:45,596 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:46,571 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-10 09:27:46,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:46,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:46,592 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 47 treesize of output 25 [2021-07-10 09:27:46,594 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:47,503 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-10 09:27:47,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:47,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:47,522 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 47 treesize of output 25 [2021-07-10 09:27:47,524 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:48,391 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-10 09:27:48,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:48,424 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 54 treesize of output 28 [2021-07-10 09:27:48,425 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:48,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:48,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 09:27:48,446 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:49,251 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-10 09:27:49,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:49,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:49,270 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 49 treesize of output 25 [2021-07-10 09:27:49,271 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:50,058 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-10 09:27:50,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:50,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,076 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 43 treesize of output 25 [2021-07-10 09:27:50,078 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:50,838 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-10 09:27:50,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:50,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:50,856 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 49 treesize of output 25 [2021-07-10 09:27:50,858 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:51,590 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-10 09:27:51,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:51,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:27:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:27:51,607 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 49 treesize of output 25 [2021-07-10 09:27:51,608 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 09:27:52,289 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-10 09:27:52,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:27:52,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-10 09:27:52,318 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-10 09:27:52,493 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 09:27:52,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293683765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:27:52,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:27:52,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-10 09:27:52,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818052013] [2021-07-10 09:27:52,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 09:27:52,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:27:52,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 09:27:52,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-10 09:27:52,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:27:52,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:27:52,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:27:52,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:27:52,973 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-07-10 09:27:53,352 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-10 09:27:53,630 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-10 09:27:54,026 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-10 09:27:55,045 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-10 09:27:56,099 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-10 09:27:59,694 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-10 09:28:04,988 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-10 09:28:05,344 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-10 09:28:05,741 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-10 09:28:06,224 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 09:28:06,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-10 09:28:06,477 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:06,477 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 09:28:06,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:06,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771909723] [2021-07-10 09:28:06,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:28:06,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:06,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771909723] [2021-07-10 09:28:06,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771909723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:06,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215247363] [2021-07-10 09:28:06,577 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 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 09:28:06,620 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 09:28:06,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:28:06,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 09:28:06,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:28:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 09:28:06,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215247363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:06,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:28:06,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 09:28:06,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167444601] [2021-07-10 09:28:06,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 09:28:06,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:06,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 09:28:06,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 09:28:06,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:06,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:06,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 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 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:06,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 09:28:06,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:28:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 09:28:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:28:07,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:28:07,218 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:07,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:07,218 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 09:28:07,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:07,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579397975] [2021-07-10 09:28:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:09,861 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 106 [2021-07-10 09:28:10,014 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2021-07-10 09:30:39,917 WARN L205 SmtUtils]: Spent 2.50 m on a formula simplification. DAG size of input: 294 DAG size of output: 229 [2021-07-10 09:30:53,988 WARN L205 SmtUtils]: Spent 14.07 s on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-07-10 09:30:54,526 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 68 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown