/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:24:27,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:24:27,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:24:27,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:24:27,349 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.epf [2021-07-14 11:24:27,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:24:27,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:24:27,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:24:27,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:24:27,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:24:27,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:24:27,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:24:27,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:24:27,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:24:27,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:24:27,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:24:27,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:24:27,369 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:24:27,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:24:27,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:24:27,369 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:24:27,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:24:27,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:24:27,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:24:27,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:24:27,665 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:24:27,667 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:24:27,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2021-07-14 11:24:27,668 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2021-07-14 11:24:27,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:24:27,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:24:27,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:24:27,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:24:27,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:24:27,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:24:27,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:24:27,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:24:27,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:24:27,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... [2021-07-14 11:24:27,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:24:27,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:24:27,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:24:27,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:24:27,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:24:27,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:24:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:24:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:24:27,879 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:24:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:24:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:24:27,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:24:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:24:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:24:27,880 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 11:24:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 11:24:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 11:24:27,881 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:24:28,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:24:28,031 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:24:28,032 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:24:28 BoogieIcfgContainer [2021-07-14 11:24:28,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:24:28,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:24:28,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:24:28,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:24:28,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:27" (1/2) ... [2021-07-14 11:24:28,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13161269 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:24:28, skipping insertion in model container [2021-07-14 11:24:28,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:24:28" (2/2) ... [2021-07-14 11:24:28,037 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2021-07-14 11:24:28,053 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:24:28,053 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:24:28,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:24:28,054 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:24:28,098 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 11:24:28,128 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 [2021-07-14 11:24:28,232 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:24:28,233 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:24:28,233 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:24:28,233 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:24:28,233 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:24:28,233 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:24:28,233 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:24:28,233 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:24:28,329 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:28,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:28,333 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 11:24:28,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:28,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389747019] [2021-07-14 11:24:28,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:28,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:28,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389747019] [2021-07-14 11:24:28,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389747019] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:24:28,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:24:28,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:24:28,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355795701] [2021-07-14 11:24:28,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:24:28,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:28,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:24:28,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:24:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:28,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:28,521 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) [2021-07-14 11:24:28,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:28,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:24:28,550 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:28,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:28,552 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 11:24:28,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:28,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859473812] [2021-07-14 11:24:28,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:24:28,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:28,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859473812] [2021-07-14 11:24:28,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859473812] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:24:28,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:24:28,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 11:24:28,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625628216] [2021-07-14 11:24:28,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 11:24:28,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:28,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 11:24:28,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 11:24:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:28,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:28,610 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) [2021-07-14 11:24:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:28,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 11:24:28,651 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:28,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:28,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 11:24:28,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:28,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984067212] [2021-07-14 11:24:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:29,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:29,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984067212] [2021-07-14 11:24:29,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984067212] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:29,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546294112] [2021-07-14 11:24:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:29,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:24:29,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:29,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:29,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:29,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-07-14 11:24:29,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:29,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:29,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:29,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 11:24:29,401 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:29,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:29,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 11:24:29,405 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:29,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:29,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 11:24:29,418 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-14 11:24:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:29,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546294112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:29,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:29,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 11:24:29,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137658039] [2021-07-14 11:24:29,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 11:24:29,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:29,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 11:24:29,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-14 11:24:29,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:29,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:29,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:29,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:29,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:29,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:29,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:29,824 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:29,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:29,824 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 11:24:29,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:29,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22872073] [2021-07-14 11:24:29,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:29,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:29,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22872073] [2021-07-14 11:24:29,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22872073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:29,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683930445] [2021-07-14 11:24:29,888 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 [2021-07-14 11:24:29,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:24:29,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:29,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:24:29,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:29,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683930445] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:29,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:29,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 11:24:29,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960856214] [2021-07-14 11:24:29,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:24:29,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:29,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:24:29,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:24:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:29,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:29,996 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) [2021-07-14 11:24:29,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:29,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:29,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:29,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:24:30,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 11:24:30,331 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:30,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:30,332 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 11:24:30,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:30,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268909477] [2021-07-14 11:24:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:24:30,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:30,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268909477] [2021-07-14 11:24:30,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268909477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:30,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148146732] [2021-07-14 11:24:30,373 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 [2021-07-14 11:24:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:30,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:24:30,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:24:30,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148146732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:30,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:30,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 11:24:30,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599345861] [2021-07-14 11:24:30,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 11:24:30,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:30,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 11:24:30,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 11:24:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:30,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:30,498 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) [2021-07-14 11:24:30,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:30,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:30,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:24:30,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:24:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:24:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:24:30,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:30,829 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:30,829 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 11:24:30,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:30,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728567073] [2021-07-14 11:24:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:31,334 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-14 11:24:31,588 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 11:24:31,812 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 11:24:31,976 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-14 11:24:32,115 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-14 11:24:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:32,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:32,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728567073] [2021-07-14 11:24:32,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728567073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:32,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780107094] [2021-07-14 11:24:32,202 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 [2021-07-14 11:24:32,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:24:32,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:32,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 11:24:32,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:35,159 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 11:24:35,465 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-14 11:24:35,847 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 11:24:36,136 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-14 11:24:36,870 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-14 11:24:37,580 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-14 11:24:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:39,122 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-14 11:24:39,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 63 [2021-07-14 11:24:39,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:39,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:39,312 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:24:39,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 72 [2021-07-14 11:24:39,354 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:41,255 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-14 11:24:41,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:41,371 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:24:41,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 60 [2021-07-14 11:24:41,380 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:41,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:41,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:41,491 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:24:41,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 71 [2021-07-14 11:24:41,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:43,288 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-14 11:24:43,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:43,447 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 11:24:43,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 80 [2021-07-14 11:24:43,507 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:43,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:43,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:43,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 87 [2021-07-14 11:24:43,616 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:47,332 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-14 11:24:47,333 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-14 11:24:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:47,461 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 11:24:47,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 59 [2021-07-14 11:24:47,472 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:47,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:47,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 78 [2021-07-14 11:24:47,619 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:49,336 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-14 11:24:49,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:49,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:49,454 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-14 11:24:49,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 11:24:49,476 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:49,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:49,602 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-14 11:24:49,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 83 [2021-07-14 11:24:49,641 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:53,105 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-14 11:24:53,106 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-14 11:24:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:53,215 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:24:53,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 60 [2021-07-14 11:24:53,231 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:53,327 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:24:53,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 65 [2021-07-14 11:24:53,360 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:55,003 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-14 11:24:55,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:55,137 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-14 11:24:55,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 79 [2021-07-14 11:24:55,150 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:55,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:55,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:55,257 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:24:55,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 48 treesize of output 68 [2021-07-14 11:24:55,271 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:00,341 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-14 11:25:00,342 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-14 11:25:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:00,455 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-14 11:25:00,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 59 [2021-07-14 11:25:00,460 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:00,566 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:25:00,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 64 [2021-07-14 11:25:00,578 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:02,338 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 11:25:02,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:02,446 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 11:25:02,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 11:25:02,451 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:02,554 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:25:02,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 67 [2021-07-14 11:25:02,559 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:04,222 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-14 11:25:04,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:04,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:04,350 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:25:04,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 61 [2021-07-14 11:25:04,379 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:04,494 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:25:04,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-14 11:25:04,503 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:06,293 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 11:25:06,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:06,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:06,436 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:25:06,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 75 [2021-07-14 11:25:06,446 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:06,558 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:25:06,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 72 [2021-07-14 11:25:06,570 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:09,968 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-14 11:25:09,969 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 11:25:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:10,071 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 11:25:10,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 37 treesize of output 55 [2021-07-14 11:25:10,077 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:10,162 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:25:10,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 60 [2021-07-14 11:25:10,169 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:11,889 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-14 11:25:11,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,001 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-14 11:25:12,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 50 [2021-07-14 11:25:12,004 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:12,120 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 11:25:12,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 75 [2021-07-14 11:25:12,137 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:15,573 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-14 11:25:15,574 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-14 11:25:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:15,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:15,682 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:25:15,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 64 [2021-07-14 11:25:15,692 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:15,793 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:25:15,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 71 [2021-07-14 11:25:15,801 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:19,101 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-14 11:25:19,102 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-14 11:25:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:19,225 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-14 11:25:19,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 58 [2021-07-14 11:25:19,236 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:19,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:19,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:19,335 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-14 11:25:19,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 67 [2021-07-14 11:25:19,349 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:22,636 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-14 11:25:22,638 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-14 11:25:22,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:22,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:22,759 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 11:25:22,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 71 [2021-07-14 11:25:22,766 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:22,847 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-14 11:25:22,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 54 [2021-07-14 11:25:22,852 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:25,905 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-14 11:25:25,906 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-14 11:25:26,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-14 11:25:26,725 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-14 11:25:28,516 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-14 11:25:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:25:28,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780107094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:28,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:28,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 11:25:28,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451704171] [2021-07-14 11:25:28,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 11:25:28,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:28,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 11:25:28,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-14 11:25:28,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:28,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:28,659 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) [2021-07-14 11:25:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:25:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:25:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:25:28,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:29,578 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-14 11:25:29,933 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-14 11:25:31,819 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-14 11:25:32,166 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-14 11:25:36,285 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-14 11:25:38,510 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-14 11:25:42,600 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-14 11:25:49,411 WARN L205 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-14 11:25:50,428 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-14 11:25:53,471 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-14 11:26:00,623 WARN L205 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-14 11:26:02,249 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-14 11:26:03,767 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-14 11:26:10,769 WARN L205 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-14 11:26:11,062 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-14 11:26:11,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:11,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:26:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:26:11,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 11:26:11,390 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:11,390 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 11:26:11,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:11,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121823848] [2021-07-14 11:26:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:11,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:11,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121823848] [2021-07-14 11:26:11,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121823848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:11,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483857463] [2021-07-14 11:26:11,477 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 [2021-07-14 11:26:11,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 11:26:11,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:26:11,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:26:11,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:11,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483857463] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:11,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:26:11,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 11:26:11,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109456199] [2021-07-14 11:26:11,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 11:26:11,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:11,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 11:26:11,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 11:26:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:11,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:11,661 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) [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:26:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:26:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:26:12,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-14 11:26:12,302 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:12,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:12,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 11:26:12,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:12,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467299415] [2021-07-14 11:26:12,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:26:12,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:12,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467299415] [2021-07-14 11:26:12,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467299415] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:12,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798221444] [2021-07-14 11:26:12,367 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 [2021-07-14 11:26:12,400 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:26:12,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:26:12,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:26:12,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:26:12,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798221444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:12,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:26:12,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 11:26:12,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596343153] [2021-07-14 11:26:12,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 11:26:12,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:26:12,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 11:26:12,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 11:26:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:12,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:26:12,499 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) [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:26:12,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:26:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:26:12,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:26:12,869 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:26:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:26:12,869 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 11:26:12,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:26:12,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440582677] [2021-07-14 11:26:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:26:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:26:13,838 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-14 11:26:14,104 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-14 11:26:14,246 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-14 11:26:14,862 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-14 11:26:15,157 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-14 11:26:16,230 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-14 11:26:16,546 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-14 11:26:18,417 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-14 11:26:18,674 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-14 11:26:20,663 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-14 11:26:20,767 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 194 [2021-07-14 11:26:21,454 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-14 11:26:21,872 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-14 11:26:22,097 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-14 11:26:22,278 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-14 11:26:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:26:22,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:26:22,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440582677] [2021-07-14 11:26:22,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440582677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:26:22,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844072456] [2021-07-14 11:26:22,436 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 [2021-07-14 11:26:22,487 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 11:26:22,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:26:22,488 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 11:26:22,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:26:24,455 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-14 11:26:26,062 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-14 11:26:28,442 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 11:26:30,472 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-14 11:26:32,408 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-14 11:26:34,136 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-14 11:26:35,782 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 380 [2021-07-14 11:26:37,749 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-14 11:26:38,442 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_120, v_prenex_122, v_prenex_100, v_prenex_124, v_prenex_102, v_prenex_90, v_prenex_126, v_prenex_104, v_prenex_128, v_prenex_106, v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, v_prenex_79, v_prenex_77, v_prenex_130, v_prenex_132, v_prenex_110, v_prenex_134, v_prenex_112, v_prenex_114, v_prenex_136, v_prenex_116, v_prenex_138, v_prenex_108, v_prenex_81, v_prenex_86, v_prenex_84, v_prenex_88], 15=[v_prenex_118, A]} [2021-07-14 11:26:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:38,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:38,518 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 [2021-07-14 11:26:38,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:38,564 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 [2021-07-14 11:26:38,566 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:46,748 WARN L205 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-14 11:26:46,749 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-14 11:26:46,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:46,813 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 [2021-07-14 11:26:46,814 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:46,859 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 [2021-07-14 11:26:46,861 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:49,853 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-14 11:26:49,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,917 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 [2021-07-14 11:26:49,919 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:49,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:49,957 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 [2021-07-14 11:26:49,959 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:52,988 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-14 11:26:52,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,062 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 [2021-07-14 11:26:53,064 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:53,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:53,105 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 [2021-07-14 11:26:53,106 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:55,840 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-14 11:26:55,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,909 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 [2021-07-14 11:26:55,911 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:55,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:55,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:55,954 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 [2021-07-14 11:26:55,956 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:26:58,539 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-14 11:26:58,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:26:58,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:26:58,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:26:58,578 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 [2021-07-14 11:26:58,580 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:01,157 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-14 11:27:01,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:01,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:01,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:01,235 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 [2021-07-14 11:27:01,236 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:01,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:01,315 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 [2021-07-14 11:27:01,316 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:03,883 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-14 11:27:03,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:03,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:03,942 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 [2021-07-14 11:27:03,944 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:03,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:03,981 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 [2021-07-14 11:27:03,983 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:06,371 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-14 11:27:06,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:06,425 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 [2021-07-14 11:27:06,427 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:06,463 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 [2021-07-14 11:27:06,465 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:08,645 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-14 11:27:08,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:08,683 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 [2021-07-14 11:27:08,685 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:10,780 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-14 11:27:10,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:10,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:10,836 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 [2021-07-14 11:27:10,838 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:10,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:10,883 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 [2021-07-14 11:27:10,885 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:12,928 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-14 11:27:12,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:12,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:12,988 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 [2021-07-14 11:27:12,991 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:13,025 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 [2021-07-14 11:27:13,028 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:14,971 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-14 11:27:14,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,027 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 [2021-07-14 11:27:15,032 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:15,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:15,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:15,068 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 [2021-07-14 11:27:15,070 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:16,806 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-14 11:27:16,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:16,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:16,861 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 [2021-07-14 11:27:16,863 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:16,894 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 [2021-07-14 11:27:16,896 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:18,554 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-14 11:27:18,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:18,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:18,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:18,587 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 [2021-07-14 11:27:18,589 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:20,146 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-14 11:27:20,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:20,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:20,175 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 [2021-07-14 11:27:20,176 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:21,767 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-14 11:27:21,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:21,799 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 [2021-07-14 11:27:21,800 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:23,315 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-14 11:27:23,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:23,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:23,343 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 [2021-07-14 11:27:23,345 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:24,798 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-14 11:27:24,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:24,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:24,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:24,836 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 [2021-07-14 11:27:24,837 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:26,250 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 11:27:26,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:26,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:26,299 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 [2021-07-14 11:27:26,301 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:26,332 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 [2021-07-14 11:27:26,334 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:27,708 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 11:27:27,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:27,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:27,755 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 [2021-07-14 11:27:27,756 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:27,779 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 [2021-07-14 11:27:27,781 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:28,924 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 11:27:28,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:28,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:28,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:28,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:28,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:28,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:28,961 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 [2021-07-14 11:27:28,963 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:30,166 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-14 11:27:30,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:30,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:30,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:30,192 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 [2021-07-14 11:27:30,194 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:31,338 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-14 11:27:31,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:31,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:31,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-14 11:27:31,383 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:31,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-14 11:27:31,412 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:32,477 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 11:27:32,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:32,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:32,503 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 [2021-07-14 11:27:32,504 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:33,544 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 376 [2021-07-14 11:27:33,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:33,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:33,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:33,571 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 [2021-07-14 11:27:33,577 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:34,593 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 361 [2021-07-14 11:27:34,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:34,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:34,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:34,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:34,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:34,617 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 [2021-07-14 11:27:34,619 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:35,606 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-14 11:27:35,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:35,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:35,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:35,642 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 [2021-07-14 11:27:35,645 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:35,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:35,687 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 [2021-07-14 11:27:35,689 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:36,586 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-14 11:27:36,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:36,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:36,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:36,608 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 [2021-07-14 11:27:36,609 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:37,478 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-14 11:27:37,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:37,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:37,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:37,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:37,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:37,513 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 [2021-07-14 11:27:37,514 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:38,375 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-14 11:27:38,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:27:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:38,401 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 42 treesize of output 22 [2021-07-14 11:27:38,403 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:39,186 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-14 11:27:39,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:27:39,228 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 32 treesize of output 16 [2021-07-14 11:27:39,230 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-14 11:27:39,985 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-14 11:27:39,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:27:40,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-14 11:27:40,036 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-14 11:27:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:27:40,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844072456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:27:40,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:27:40,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-14 11:27:40,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859907231] [2021-07-14 11:27:40,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 11:27:40,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:27:40,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 11:27:40,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-14 11:27:40,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:27:40,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:27:40,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:27:40,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:27:40,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:27:40,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:27:40,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:27:40,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:27:40,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:40,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:27:40,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:27:40,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:27:41,175 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-14 11:27:41,751 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-14 11:27:42,091 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-14 11:27:42,389 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-14 11:27:42,738 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-14 11:27:43,144 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-14 11:27:44,324 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-14 11:27:44,812 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-14 11:27:47,621 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-14 11:27:52,716 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-14 11:27:55,461 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-14 11:27:56,303 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-14 11:27:56,594 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 11:27:57,111 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 11:27:58,004 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:27:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:58,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-14 11:27:58,269 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:27:58,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:27:58,270 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 11:27:58,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:27:58,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931716632] [2021-07-14 11:27:58,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:27:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:27:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:27:58,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:27:58,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931716632] [2021-07-14 11:27:58,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931716632] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:27:58,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196143559] [2021-07-14 11:27:58,406 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 [2021-07-14 11:27:58,470 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 11:27:58,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:27:58,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 11:27:58,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:27:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:27:58,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196143559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:27:58,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:27:58,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 11:27:58,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898871161] [2021-07-14 11:27:58,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 11:27:58,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:27:58,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 11:27:58,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 11:27:58,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:27:58,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:27:58,727 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) [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:27:58,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:27:58,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:27:58,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:27:58,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:27:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:27:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:27:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:27:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:27:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:27:59,199 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:27:59,199 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:27:59,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:27:59,200 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 11:27:59,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:27:59,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074844602] [2021-07-14 11:27:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:27:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:01,156 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-14 11:28:01,340 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2021-07-14 11:28:33,645 WARN L205 SmtUtils]: Spent 32.30 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-14 11:28:34,073 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-14 11:30:04,656 WARN L205 SmtUtils]: Spent 1.51 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-14 11:30:05,914 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-14 11:32:38,631 WARN L205 SmtUtils]: Spent 2.55 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-14 11:32:38,777 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-14 11:32:40,327 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-14 11:36:09,646 WARN L205 SmtUtils]: Spent 3.49 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-14 11:36:09,765 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 750 [2021-07-14 11:36:13,693 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 747 DAG size of output: 211 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown