/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-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 09:28:47,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 09:28:47,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 09:28:47,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 09:28:47,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 09:28:47,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 09:28:47,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 09:28:47,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 09:28:47,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 09:28:47,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 09:28:47,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 09:28:47,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 09:28:47,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 09:28:47,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 09:28:47,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 09:28:47,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 09:28:47,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 09:28:47,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 09:28:47,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 09:28:47,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 09:28:47,129 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 09:28:47,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 09:28:47,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 09:28:47,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 09:28:47,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 09:28:47,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 09:28:47,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 09:28:47,172 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 09:28:47,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 09:28:47,172 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 09:28:47,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 09:28:47,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 09:28:47,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 09:28:47,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 09:28:47,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 09:28:47,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 09:28:47,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 09:28:47,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 09:28:47,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 09:28:47,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 09:28:47,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 09:28:47,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 09:28:47,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 09:28:47,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 09:28:47,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 09:28:47,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 09:28:47,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 09:28:47,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 09:28:47,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 09:28:47,176 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 09:28:47,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 09:28:47,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 09:28:47,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 09:28:47,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 09:28:47,177 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 09:28:47,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 09:28:47,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 09:28:47,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 09:28:47,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 09:28:47,514 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 09:28:47,515 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 09:28:47,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-07-10 09:28:47,516 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-07-10 09:28:47,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 09:28:47,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 09:28:47,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 09:28:47,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 09:28:47,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 09:28:47,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 09:28:47,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 09:28:47,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 09:28:47,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 09:28:47,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/1) ... [2021-07-10 09:28:47,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 09:28:47,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 09:28:47,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 09:28:47,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 09:28:47,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (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 09:28:47,678 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 09:28:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 09:28:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 09:28:47,679 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 09:28:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 09:28:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 09:28:47,679 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 09:28:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 09:28:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 09:28:47,680 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 09:28:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 09:28:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 09:28:47,681 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 09:28:47,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 09:28:47,859 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 09:28:47,861 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:28:47 BoogieIcfgContainer [2021-07-10 09:28:47,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 09:28:47,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 09:28:47,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 09:28:47,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 09:28:47,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 09:28:47" (1/2) ... [2021-07-10 09:28:47,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfd7d26 and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 09:28:47, skipping insertion in model container [2021-07-10 09:28:47,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 09:28:47" (2/2) ... [2021-07-10 09:28:47,868 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-07-10 09:28:47,873 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 09:28:47,873 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 09:28:47,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 09:28:47,874 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 09:28:47,938 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 09:28:47,966 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 09:28:48,039 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 09:28:48,039 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 09:28:48,039 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 09:28:48,039 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 09:28:48,040 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 09:28:48,047 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 09:28:48,047 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 09:28:48,047 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 09:28:48,119 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:48,124 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 09:28:48,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:48,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433472446] [2021-07-10 09:28:48,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:48,321 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 09:28:48,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:48,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433472446] [2021-07-10 09:28:48,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433472446] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:28:48,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:28:48,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 09:28:48,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342010782] [2021-07-10 09:28:48,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 09:28:48,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:48,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 09:28:48,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 09:28:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:48,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:48,344 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 09:28:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:48,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 09:28:48,377 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:48,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:48,380 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 09:28:48,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:48,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164426263] [2021-07-10 09:28:48,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:48,450 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 09:28:48,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:48,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164426263] [2021-07-10 09:28:48,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164426263] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 09:28:48,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 09:28:48,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 09:28:48,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49160787] [2021-07-10 09:28:48,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 09:28:48,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:48,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 09:28:48,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 09:28:48,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:48,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:48,456 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 09:28:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:48,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 09:28:48,514 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:48,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 09:28:48,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:48,516 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010201987] [2021-07-10 09:28:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:48,999 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 09:28:49,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:49,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010201987] [2021-07-10 09:28:49,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010201987] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:49,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078926042] [2021-07-10 09:28:49,000 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 09:28:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:49,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 09:28:49,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:28:49,345 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 09:28:49,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,350 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 09:28:49,351 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,355 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 09:28:49,357 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,360 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 09:28:49,362 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,365 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 09:28:49,366 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,370 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 09:28:49,372 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 09:28:49,376 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,379 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 09:28:49,380 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:49,431 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 09:28:49,437 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 09:28:49,438 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-10 09:28:49,504 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 09:28:49,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078926042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:49,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:28:49,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 09:28:49,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133224921] [2021-07-10 09:28:49,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 09:28:49,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:49,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 09:28:49,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-10 09:28:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:49,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:49,507 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 09:28:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:49,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:28:49,938 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:49,938 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 09:28:49,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:49,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637570927] [2021-07-10 09:28:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:50,000 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 09:28:50,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:50,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637570927] [2021-07-10 09:28:50,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637570927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:50,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695432393] [2021-07-10 09:28:50,003 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 09:28:50,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:28:50,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:28:50,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:28:50,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:28:50,166 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 09:28:50,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695432393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:50,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:28:50,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 09:28:50,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507471797] [2021-07-10 09:28:50,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 09:28:50,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:50,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 09:28:50,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 09:28:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:50,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:50,170 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 09:28:50,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:50,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:50,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:50,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:50,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-10 09:28:50,565 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:50,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:50,565 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 09:28:50,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:50,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667959474] [2021-07-10 09:28:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:50,633 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 09:28:50,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:50,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667959474] [2021-07-10 09:28:50,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667959474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:50,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003421429] [2021-07-10 09:28:50,633 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 09:28:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:50,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 09:28:50,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:28:50,748 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 09:28:50,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003421429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:50,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:28:50,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 09:28:50,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852885563] [2021-07-10 09:28:50,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 09:28:50,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:28:50,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 09:28:50,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 09:28:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:50,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:28:50,750 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 09:28:50,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:50,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:50,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:50,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:50,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:28:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:28:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:28:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:28:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:28:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:28:51,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:28:51,064 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:28:51,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:28:51,065 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 09:28:51,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:28:51,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395768502] [2021-07-10 09:28:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:28:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:28:51,720 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-10 09:28:52,036 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-10 09:28:52,344 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-10 09:28:52,534 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-10 09:28:52,725 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-10 09:28:52,879 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 09:28:52,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:28:52,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395768502] [2021-07-10 09:28:52,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395768502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:28:52,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643759800] [2021-07-10 09:28:52,879 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 09:28:52,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 09:28:52,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:28:52,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 09:28:52,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:28:54,496 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-10 09:28:55,947 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 09:28:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:56,059 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:28:56,059 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 09:28:56,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:56,160 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-10 09:28:56,161 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 09:28:56,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:59,494 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-10 09:28:59,496 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 09:28:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:59,633 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:28:59,634 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 09:28:59,643 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:28:59,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:28:59,717 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:28:59,718 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 09:28:59,723 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:01,392 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 09:29:01,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:01,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:01,494 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:01,495 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 09:29:01,509 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:01,614 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-10 09:29:01,614 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 09:29:01,639 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:03,232 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-10 09:29:03,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:03,324 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:29:03,324 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 09:29:03,326 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:03,394 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 09:29:03,394 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 09:29:03,415 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:04,966 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-10 09:29:04,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:04,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:05,056 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 09:29:05,056 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 09:29:05,066 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:05,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:05,126 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-10 09:29:05,127 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 09:29:05,136 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:06,623 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-10 09:29:06,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:06,702 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 09:29:06,703 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 09:29:06,714 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:06,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:06,788 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:29:06,789 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 09:29:06,797 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:08,202 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-10 09:29:08,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:08,310 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:29:08,310 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 09:29:08,325 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:08,391 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:29:08,391 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 09:29:08,393 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:09,841 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-10 09:29:09,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:09,934 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 09:29:09,935 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 09:29:09,944 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:09,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:10,024 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 09:29:10,025 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 09:29:10,029 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:11,426 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-10 09:29:11,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:11,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:11,529 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-10 09:29:11,529 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 09:29:11,531 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:11,600 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 09:29:11,600 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 09:29:11,602 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:12,870 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 09:29:12,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:12,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:12,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:12,944 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 09:29:12,945 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 09:29:12,953 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:12,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:12,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:13,013 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:13,013 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 09:29:13,034 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:15,412 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-10 09:29:15,413 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-10 09:29:15,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:15,482 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 09:29:15,483 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 09:29:15,485 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:15,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:15,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:15,558 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 09:29:15,558 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 09:29:15,568 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:16,666 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-10 09:29:16,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,738 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-10 09:29:16,739 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 09:29:16,766 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:16,834 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 09:29:16,834 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 09:29:16,848 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:17,925 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-10 09:29:17,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:17,983 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:17,983 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 09:29:18,010 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:18,070 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-10 09:29:18,070 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 09:29:18,073 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:19,195 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-10 09:29:19,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,248 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-10 09:29:19,248 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 09:29:19,251 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:19,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:19,294 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 09:29:19,297 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 09:29:19,307 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:20,298 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-07-10 09:29:20,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,352 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 09:29:20,352 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 09:29:20,358 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:20,410 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 09:29:20,410 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 09:29:20,419 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:21,353 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-07-10 09:29:21,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,411 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 09:29:21,411 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 09:29:21,423 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:21,461 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 09:29:21,461 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 09:29:21,467 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:22,348 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-10 09:29:22,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:29:22,678 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 09:29:22,679 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-10 09:29:23,466 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-10 09:29:23,633 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 09:29:23,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643759800] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:29:23,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:29:23,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 09:29:23,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79275407] [2021-07-10 09:29:23,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 09:29:23,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:29:23,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 09:29:23,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-10 09:29:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:29:23,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:29:23,636 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 09:29:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:29:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:29:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:29:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:29:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:29:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:29:23,846 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-07-10 09:29:24,109 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-10 09:29:24,331 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-10 09:29:24,565 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-10 09:29:24,973 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-10 09:29:25,186 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-10 09:29:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:29:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:29:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:29:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:29:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:29:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:29:25,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 09:29:25,486 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:29:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:29:25,487 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 09:29:25,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:29:25,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582876097] [2021-07-10 09:29:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:29:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:29:25,579 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 09:29:25,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:29:25,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582876097] [2021-07-10 09:29:25,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582876097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:29:25,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245738555] [2021-07-10 09:29:25,580 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 09:29:25,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 09:29:25,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:29:25,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:29:25,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:29:25,787 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 09:29:25,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245738555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:29:25,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:29:25,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 09:29:25,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930339693] [2021-07-10 09:29:25,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 09:29:25,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:29:25,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 09:29:25,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 09:29:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:29:25,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:29:25,790 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 09:29:25,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:29:25,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:29:25,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:29:25,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:29:25,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:29:25,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:29:25,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:29:26,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:29:26,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:29:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:29:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:29:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:29:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:29:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:29:26,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-10 09:29:26,386 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:29:26,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:29:26,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 09:29:26,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:29:26,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173080035] [2021-07-10 09:29:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:29:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:29:26,468 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 09:29:26,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:29:26,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173080035] [2021-07-10 09:29:26,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173080035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:29:26,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101818207] [2021-07-10 09:29:26,468 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 09:29:26,505 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 09:29:26,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:29:26,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 09:29:26,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:29:26,621 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 09:29:26,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101818207] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:29:26,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:29:26,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 09:29:26,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302349763] [2021-07-10 09:29:26,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 09:29:26,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:29:26,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 09:29:26,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 09:29:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:29:26,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:29:26,623 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 09:29:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:29:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:29:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:29:26,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:29:26,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:29:26,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:29:26,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:29:26,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:29:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:29:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:29:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:29:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:29:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:29:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:29:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:29:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:29:26,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-10 09:29:26,989 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:29:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:29:26,989 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 09:29:26,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:29:26,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052465943] [2021-07-10 09:29:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:29:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:29:28,285 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-10 09:29:28,548 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-10 09:29:28,790 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-10 09:29:29,115 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-10 09:29:29,572 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-10 09:29:30,399 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-10 09:29:30,785 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-10 09:29:31,724 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-10 09:29:32,059 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-10 09:29:32,956 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-10 09:29:33,275 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-10 09:29:34,301 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-10 09:29:34,423 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-10 09:29:34,842 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-10 09:29:35,106 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-10 09:29:35,358 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-10 09:29:35,528 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 09:29:35,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:29:35,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052465943] [2021-07-10 09:29:35,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052465943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:29:35,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124003371] [2021-07-10 09:29:35,529 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 09:29:35,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 09:29:35,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:29:35,581 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 09:29:35,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:29:37,581 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-10 09:29:39,196 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-10 09:29:42,770 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-10 09:29:46,340 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-10 09:29:50,006 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-10 09:29:51,579 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-10 09:29:53,941 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-10 09:29:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:29:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:29:55,188 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 09:29:55,191 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 09:29:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:29:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:29:55,242 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 09:29:55,243 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:02,307 WARN L205 SmtUtils]: Spent 7.06 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-10 09:30:02,308 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-10 09:30:02,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:02,359 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 09:30:02,361 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:02,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:02,398 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 09:30:02,400 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:05,040 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-10 09:30:05,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:05,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:05,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:05,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:05,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:05,076 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 49 treesize of output 25 [2021-07-10 09:30:05,077 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:07,915 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-10 09:30:07,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:07,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:07,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:07,973 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 09:30:07,979 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:08,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:08,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:08,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:08,028 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 09:30:08,030 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:10,567 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-10 09:30:10,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:10,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:10,636 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 09:30:10,639 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:10,680 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 09:30:10,682 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:13,176 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-10 09:30:13,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:13,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:13,210 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 09:30:13,211 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:15,639 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-10 09:30:15,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:15,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:15,673 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 09:30:15,674 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:17,995 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-10 09:30:17,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:18,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:18,043 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 09:30:18,044 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:20,335 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-10 09:30:20,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,394 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 09:30:20,395 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:20,431 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 09:30:20,432 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:22,675 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-10 09:30:22,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:22,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:22,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:22,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:22,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:22,706 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 09:30:22,708 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:24,690 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-10 09:30:24,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,740 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 09:30:24,743 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:24,775 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 09:30:24,777 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:26,682 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-10 09:30:26,683 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:26,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:26,710 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 09:30:26,712 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:28,596 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-10 09:30:28,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:28,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:28,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:28,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:28,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:28,626 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 09:30:28,628 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:30,504 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-10 09:30:30,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:30,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:30,547 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 09:30:30,549 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:30,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:30,578 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 09:30:30,580 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:32,348 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-10 09:30:32,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:32,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:32,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:32,388 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 09:30:32,390 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:32,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:32,419 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 09:30:32,422 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:34,135 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-10 09:30:34,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:34,180 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 09:30:34,182 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:34,207 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 09:30:34,209 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:35,830 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 09:30:35,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,870 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 09:30:35,872 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:35,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:35,897 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 09:30:35,898 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:37,359 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 09:30:37,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:37,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,399 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 09:30:37,401 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:37,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:37,428 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 09:30:37,430 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:38,801 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 09:30:38,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:38,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:38,842 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 09:30:38,844 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:38,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:38,871 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 09:30:38,873 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:40,146 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-10 09:30:40,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:40,146 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-10 09:30:40,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:40,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:40,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:40,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:40,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:40,172 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 09:30:40,174 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:41,387 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-10 09:30:41,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:41,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:41,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:41,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:41,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:41,410 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 09:30:41,412 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:42,592 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 09:30:42,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:42,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:42,629 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 09:30:42,631 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:42,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:42,653 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 09:30:42,655 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:43,768 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-10 09:30:43,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:43,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:43,804 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 09:30:43,806 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:43,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 09:30:43,834 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:44,851 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 357 [2021-07-10 09:30:44,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:44,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:44,886 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 09:30:44,887 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:44,911 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 09:30:44,913 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:45,870 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-10 09:30:45,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:45,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:45,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:45,895 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 09:30:45,896 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:46,800 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-10 09:30:46,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:46,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:46,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:46,820 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 09:30:46,822 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:47,678 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-10 09:30:47,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:47,710 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 09:30:47,711 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:47,729 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 09:30:47,731 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:48,510 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-10 09:30:48,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:48,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:48,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:48,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:48,541 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 09:30:48,542 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:49,294 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-10 09:30:49,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:49,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:49,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:49,312 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 09:30:49,313 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:50,032 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-10 09:30:50,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:50,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,049 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 09:30:50,050 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:50,740 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-10 09:30:50,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:50,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 09:30:50,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 09:30:50,756 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 09:30:50,758 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 09:30:51,409 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-10 09:30:51,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 09:30:51,433 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 09:30:51,434 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-10 09:30:51,604 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 09:30:51,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124003371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:30:51,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:30:51,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-10 09:30:51,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779706562] [2021-07-10 09:30:51,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 09:30:51,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:30:51,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 09:30:51,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-10 09:30:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:30:51,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:30:51,609 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 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:30:51,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:30:52,459 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-10 09:30:52,756 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-10 09:30:53,154 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-10 09:30:54,173 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-10 09:30:55,436 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-10 09:30:59,096 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-10 09:31:04,218 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-10 09:31:04,549 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-10 09:31:04,944 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-10 09:31:05,414 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-10 09:31:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:31:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:31:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:31:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:31:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:31:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:31:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:31:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:31:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 09:31:05,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-10 09:31:05,669 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:31:05,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:31:05,669 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 09:31:05,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:31:05,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299709312] [2021-07-10 09:31:05,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:31:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:31:05,823 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 09:31:05,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 09:31:05,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299709312] [2021-07-10 09:31:05,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299709312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:31:05,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477118138] [2021-07-10 09:31:05,823 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 09:31:05,870 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 09:31:05,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 09:31:05,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 09:31:05,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 09:31:06,146 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 09:31:06,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477118138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 09:31:06,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 09:31:06,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 09:31:06,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158874937] [2021-07-10 09:31:06,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 09:31:06,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 09:31:06,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 09:31:06,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 09:31:06,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:31:06,148 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 09:31:06,148 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 09:31:06,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:31:06,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:31:06,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:31:06,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:31:06,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:31:06,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:31:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:31:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:31:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 09:31:06,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 09:31:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 09:31:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 09:31:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 09:31:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 09:31:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 09:31:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 09:31:06,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:31:06,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 09:31:06,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 09:31:06,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 09:31:06,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 09:31:06,657 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 09:31:06,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 09:31:06,657 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 09:31:06,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 09:31:06,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520219608] [2021-07-10 09:31:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 09:31:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 09:31:10,408 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 117 [2021-07-10 09:31:10,602 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 42 [2021-07-10 09:31:53,553 WARN L205 SmtUtils]: Spent 42.95 s on a formula simplification. DAG size of input: 294 DAG size of output: 232 [2021-07-10 09:32:01,843 WARN L205 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-07-10 09:32:02,450 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 68 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown