/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-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:44:27,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:44:27,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:44:27,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:44:27,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 06:44:27,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 06:44:27,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 06:44:27,570 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 [2021-07-10 06:44:27,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:44:27,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:44:27,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:44:27,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:44:27,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:44:27,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:44:27,616 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:44:27,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:44:27,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:44:27,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:44:27,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:44:27,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:44:27,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:44:27,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:44:27,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:44:27,619 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:44:27,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:44:27,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:44:27,619 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:44:27,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:44:27,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:44:27,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:44:27,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:44:27,854 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:44:27,865 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:44:27,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-07-10 06:44:27,866 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-07-10 06:44:27,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:44:27,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:44:27,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:44:27,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:44:27,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:44:27,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:44:27,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:44:27,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:44:27,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:44:27,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/1) ... [2021-07-10 06:44:27,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:44:27,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:44:27,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:44:27,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:44:27,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (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 [2021-07-10 06:44:27,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:44:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:44:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:44:27,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:44:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:44:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:44:27,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:44:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:44:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:44:27,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 06:44:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 06:44:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 06:44:27,972 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:44:28,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:44:28,156 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:44:28,158 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:44:28 BoogieIcfgContainer [2021-07-10 06:44:28,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:44:28,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:44:28,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:44:28,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:44:28,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:27" (1/2) ... [2021-07-10 06:44:28,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff61b87 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:44:28, skipping insertion in model container [2021-07-10 06:44:28,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:44:28" (2/2) ... [2021-07-10 06:44:28,162 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-07-10 06:44:28,165 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:44:28,165 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:44:28,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:44:28,166 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:44:28,233 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 06:44:28,247 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 06:44:28,349 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:44:28,349 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:44:28,349 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:44:28,349 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:44:28,349 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:44:28,349 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:44:28,349 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:44:28,349 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:44:28,399 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:28,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:28,408 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 06:44:28,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:28,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645010314] [2021-07-10 06:44:28,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:28,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:28,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645010314] [2021-07-10 06:44:28,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645010314] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:44:28,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:44:28,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:44:28,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059076311] [2021-07-10 06:44:28,570 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:44:28,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:28,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:44:28,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:44:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:28,579 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:28,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:28,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:28,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:44:28,612 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:28,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:28,612 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 06:44:28,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:28,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198930973] [2021-07-10 06:44:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:44:28,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:28,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198930973] [2021-07-10 06:44:28,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198930973] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:44:28,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:44:28,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 06:44:28,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973919824] [2021-07-10 06:44:28,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 06:44:28,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:28,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 06:44:28,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 06:44:28,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:28,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:28,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:28,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:28,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:28,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 06:44:28,671 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:28,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:28,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 06:44:28,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:28,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502788601] [2021-07-10 06:44:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:28,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:28,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502788601] [2021-07-10 06:44:28,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502788601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:28,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491752709] [2021-07-10 06:44:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:29,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:44:29,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:29,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:44:29,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:44:29,423 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 [2021-07-10 06:44:29,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:29,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:44:29,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:44:29,430 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 [2021-07-10 06:44:29,431 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:29,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:44:29,437 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 [2021-07-10 06:44:29,438 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:29,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:29,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 06:44:29,453 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-07-10 06:44:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:29,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491752709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:29,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:29,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:44:29,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383195772] [2021-07-10 06:44:29,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 06:44:29,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:29,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 06:44:29,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-07-10 06:44:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:29,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:29,497 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) [2021-07-10 06:44:29,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:29,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:29,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:29,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:29,855 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:29,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:29,855 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 06:44:29,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:29,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683809434] [2021-07-10 06:44:29,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:29,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:29,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683809434] [2021-07-10 06:44:29,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683809434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:29,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699414952] [2021-07-10 06:44:29,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:29,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:44:29,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:29,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:44:29,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:30,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699414952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:30,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:30,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:44:30,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048158348] [2021-07-10 06:44:30,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:44:30,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:30,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:44:30,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:44:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:30,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:30,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:30,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 06:44:30,378 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:30,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:30,379 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 06:44:30,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:30,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699106535] [2021-07-10 06:44:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:44:30,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:30,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699106535] [2021-07-10 06:44:30,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699106535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:30,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134942792] [2021-07-10 06:44:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:30,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:44:30,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:44:30,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134942792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:30,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:30,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:44:30,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104928055] [2021-07-10 06:44:30,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 06:44:30,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:30,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 06:44:30,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 06:44:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:30,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:30,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:30,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:30,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:30,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:30,849 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:30,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:30,849 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 06:44:30,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:30,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525354471] [2021-07-10 06:44:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:31,384 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-10 06:44:31,614 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-10 06:44:31,856 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-10 06:44:32,004 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2021-07-10 06:44:32,167 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2021-07-10 06:44:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:32,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:32,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525354471] [2021-07-10 06:44:32,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525354471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:32,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500354037] [2021-07-10 06:44:32,265 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) [2021-07-10 06:44:32,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:44:32,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:32,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 06:44:32,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:35,068 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 67 [2021-07-10 06:44:35,378 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 06:44:35,699 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 06:44:35,981 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-10 06:44:36,685 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-10 06:44:37,347 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-10 06:44:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:38,912 INFO L354 Elim1Store]: treesize reduction 18, result has 71.4 percent of original size [2021-07-10 06:44:38,912 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 [2021-07-10 06:44:38,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:38,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:38,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:38,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:39,049 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:44:39,049 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 [2021-07-10 06:44:39,062 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:40,908 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 424 [2021-07-10 06:44:40,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:41,022 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:44:41,024 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 [2021-07-10 06:44:41,042 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:41,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:41,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:41,152 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:44:41,152 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 [2021-07-10 06:44:41,158 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:43,060 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 419 [2021-07-10 06:44:43,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:43,197 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 06:44:43,197 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 [2021-07-10 06:44:43,243 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:43,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:43,339 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 [2021-07-10 06:44:43,356 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:46,957 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 431 DAG size of output: 411 [2021-07-10 06:44:46,958 INFO L628 ElimStorePlain]: treesize reduction 85, result has 96.3 percent of original size [2021-07-10 06:44:46,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:46,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:46,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:47,076 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 06:44:47,077 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 [2021-07-10 06:44:47,089 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:47,176 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:47,176 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 [2021-07-10 06:44:47,210 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:48,907 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 404 [2021-07-10 06:44:48,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:48,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:48,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:49,032 INFO L354 Elim1Store]: treesize reduction 22, result has 65.1 percent of original size [2021-07-10 06:44:49,032 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 [2021-07-10 06:44:49,070 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:49,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:49,202 INFO L354 Elim1Store]: treesize reduction 4, result has 93.7 percent of original size [2021-07-10 06:44:49,203 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 [2021-07-10 06:44:49,241 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,488 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 407 DAG size of output: 397 [2021-07-10 06:44:52,489 INFO L628 ElimStorePlain]: treesize reduction 34, result has 98.4 percent of original size [2021-07-10 06:44:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:52,606 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:44:52,606 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 [2021-07-10 06:44:52,628 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:52,721 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:44:52,721 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 [2021-07-10 06:44:52,762 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:54,419 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 389 [2021-07-10 06:44:54,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:44:54,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:54,550 INFO L354 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2021-07-10 06:44:54,550 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 [2021-07-10 06:44:54,562 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:54,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:54,662 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:44:54,663 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 [2021-07-10 06:44:54,671 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:59,649 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 399 DAG size of output: 396 [2021-07-10 06:44:59,650 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-07-10 06:44:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,753 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-07-10 06:44:59,754 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 [2021-07-10 06:44:59,758 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,855 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:44:59,856 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 [2021-07-10 06:44:59,866 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:01,553 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 06:45:01,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:01,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:01,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:01,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:01,658 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 06:45:01,659 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 [2021-07-10 06:45:01,663 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:01,763 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:45:01,763 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 [2021-07-10 06:45:01,769 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:03,399 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 387 [2021-07-10 06:45:03,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,506 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:45:03,506 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 [2021-07-10 06:45:03,516 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:03,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,605 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:45:03,605 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 [2021-07-10 06:45:03,612 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:05,208 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 06:45:05,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:05,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,336 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:45:05,336 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 [2021-07-10 06:45:05,351 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,448 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:45:05,449 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 [2021-07-10 06:45:05,460 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:08,620 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 379 DAG size of output: 376 [2021-07-10 06:45:08,621 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 06:45:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:08,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:08,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:08,710 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 06:45:08,710 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 [2021-07-10 06:45:08,721 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:08,805 INFO L354 Elim1Store]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:45:08,805 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 [2021-07-10 06:45:08,835 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:10,374 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 373 [2021-07-10 06:45:10,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:10,474 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-07-10 06:45:10,474 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 [2021-07-10 06:45:10,476 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:10,582 INFO L354 Elim1Store]: treesize reduction 12, result has 81.0 percent of original size [2021-07-10 06:45:10,582 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 [2021-07-10 06:45:10,595 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:13,763 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2021-07-10 06:45:13,764 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-07-10 06:45:13,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,869 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:45:13,869 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 [2021-07-10 06:45:13,878 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,973 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:45:13,974 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 [2021-07-10 06:45:13,980 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:17,062 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 375 [2021-07-10 06:45:17,063 INFO L628 ElimStorePlain]: treesize reduction 19, result has 99.1 percent of original size [2021-07-10 06:45:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,165 INFO L354 Elim1Store]: treesize reduction 26, result has 58.7 percent of original size [2021-07-10 06:45:17,165 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 [2021-07-10 06:45:17,174 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,265 INFO L354 Elim1Store]: treesize reduction 20, result has 68.3 percent of original size [2021-07-10 06:45:17,265 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 [2021-07-10 06:45:17,277 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:20,350 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 377 DAG size of output: 372 [2021-07-10 06:45:20,351 INFO L628 ElimStorePlain]: treesize reduction 40, result has 98.0 percent of original size [2021-07-10 06:45:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,460 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-07-10 06:45:20,460 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 [2021-07-10 06:45:20,489 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,565 INFO L354 Elim1Store]: treesize reduction 30, result has 52.4 percent of original size [2021-07-10 06:45:20,565 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 [2021-07-10 06:45:20,589 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:23,467 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 373 DAG size of output: 371 [2021-07-10 06:45:23,468 INFO L628 ElimStorePlain]: treesize reduction 11, result has 99.4 percent of original size [2021-07-10 06:45:23,867 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-07-10 06:45:24,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-10 06:45:24,203 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 49 variables, input treesize:2313, output treesize:3363 [2021-07-10 06:45:25,878 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 270 DAG size of output: 118 [2021-07-10 06:45:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:26,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500354037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:26,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:26,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 06:45:26,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425160344] [2021-07-10 06:45:26,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 06:45:26,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:26,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 06:45:26,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-07-10 06:45:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:26,010 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:26,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:45:26,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:26,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:26,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:26,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:26,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:26,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:26,815 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 55 [2021-07-10 06:45:27,136 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 41 [2021-07-10 06:45:30,676 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 136 DAG size of output: 101 [2021-07-10 06:45:31,071 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2021-07-10 06:45:36,578 WARN L205 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 137 DAG size of output: 98 [2021-07-10 06:45:39,404 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 287 DAG size of output: 194 [2021-07-10 06:45:49,637 WARN L205 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2021-07-10 06:45:51,180 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 192 DAG size of output: 108 [2021-07-10 06:45:52,089 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 101 [2021-07-10 06:45:58,704 WARN L205 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 231 DAG size of output: 101 [2021-07-10 06:46:13,903 WARN L205 SmtUtils]: Spent 15.09 s on a formula simplification. DAG size of input: 193 DAG size of output: 115 [2021-07-10 06:46:15,595 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 230 DAG size of output: 178 [2021-07-10 06:46:17,192 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 227 DAG size of output: 98 [2021-07-10 06:46:21,583 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 176 DAG size of output: 112 [2021-07-10 06:46:21,887 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2021-07-10 06:46:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:22,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 06:46:22,214 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:22,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:22,214 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 06:46:22,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:22,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003367860] [2021-07-10 06:46:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:22,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:22,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003367860] [2021-07-10 06:46:22,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003367860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:22,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973342509] [2021-07-10 06:46:22,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:46:22,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 06:46:22,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:22,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:46:22,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:22,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973342509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:22,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:22,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 06:46:22,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202329277] [2021-07-10 06:46:22,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 06:46:22,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:22,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 06:46:22,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 06:46:22,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:22,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:22,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:22,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:22,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:23,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable499 [2021-07-10 06:46:23,135 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:23,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:23,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 06:46:23,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:23,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147495531] [2021-07-10 06:46:23,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:46:23,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:23,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147495531] [2021-07-10 06:46:23,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147495531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:23,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281894899] [2021-07-10 06:46:23,236 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:46:23,265 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:46:23,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:23,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:46:23,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:46:23,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281894899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:23,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:46:23,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 06:46:23,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772818318] [2021-07-10 06:46:23,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 06:46:23,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:46:23,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 06:46:23,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 06:46:23,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:23,377 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:46:23,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:23,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:46:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:46:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:46:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:46:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:46:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:46:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:46:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:46:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:46:23,763 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:46:23,763 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:46:23,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:46:23,764 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 06:46:23,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:46:23,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648818486] [2021-07-10 06:46:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:46:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:46:24,606 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2021-07-10 06:46:24,855 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2021-07-10 06:46:25,005 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2021-07-10 06:46:25,608 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 75 [2021-07-10 06:46:25,895 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 315 [2021-07-10 06:46:27,021 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 315 DAG size of output: 133 [2021-07-10 06:46:27,301 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 294 [2021-07-10 06:46:29,267 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 294 DAG size of output: 181 [2021-07-10 06:46:29,519 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 289 [2021-07-10 06:46:31,398 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 289 DAG size of output: 176 [2021-07-10 06:46:32,179 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 109 [2021-07-10 06:46:32,560 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-07-10 06:46:32,769 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2021-07-10 06:46:32,955 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2021-07-10 06:46:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:46:33,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:46:33,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648818486] [2021-07-10 06:46:33,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648818486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:46:33,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919393976] [2021-07-10 06:46:33,117 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:46:33,164 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 06:46:33,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:46:33,165 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-10 06:46:33,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:46:35,141 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 119 [2021-07-10 06:46:36,768 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 355 [2021-07-10 06:46:38,681 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 06:46:40,531 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 365 [2021-07-10 06:46:42,476 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 367 [2021-07-10 06:46:44,206 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 366 [2021-07-10 06:46:45,790 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 380 [2021-07-10 06:46:47,590 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 379 [2021-07-10 06:46:48,301 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]} [2021-07-10 06:46:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:48,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:46:48,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:48,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:46:48,439 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:57,659 WARN L205 SmtUtils]: Spent 9.22 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-07-10 06:46:57,660 INFO L628 ElimStorePlain]: treesize reduction 1220, result has 68.9 percent of original size [2021-07-10 06:46:57,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:57,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:46:57,732 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:46:57,779 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:00,915 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 739 [2021-07-10 06:47:00,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:00,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:00,990 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:01,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:01,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:01,036 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:03,900 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 723 [2021-07-10 06:47:03,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:03,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:03,965 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:04,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:04,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:04,010 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:06,760 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 706 [2021-07-10 06:47:06,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:06,834 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:06,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:06,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:06,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:47:06,906 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:09,426 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 689 [2021-07-10 06:47:09,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:09,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:09,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:09,467 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:12,071 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 676 [2021-07-10 06:47:12,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:12,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:12,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:12,139 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:12,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:12,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:12,182 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:14,673 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-10 06:47:14,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:14,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:14,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 06:47:14,736 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:14,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 06:47:14,777 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:17,140 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 644 [2021-07-10 06:47:17,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:17,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-07-10 06:47:17,210 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:17,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-07-10 06:47:17,259 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:19,529 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-10 06:47:19,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:19,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:19,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 06:47:19,568 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:21,684 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 613 [2021-07-10 06:47:21,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:21,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:21,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:21,745 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:21,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:21,779 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:23,755 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 597 [2021-07-10 06:47:23,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-07-10 06:47:23,816 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:23,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:23,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:23,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 06:47:23,853 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:25,728 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 580 [2021-07-10 06:47:25,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:25,779 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:25,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:25,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:25,809 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:27,544 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 564 [2021-07-10 06:47:27,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:27,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:27,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:47:27,597 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:27,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:27,633 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:29,344 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 547 [2021-07-10 06:47:29,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:29,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:29,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:29,380 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:30,975 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 532 [2021-07-10 06:47:30,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:31,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:31,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:31,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:31,009 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:32,557 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 517 [2021-07-10 06:47:32,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:32,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:32,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:32,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:32,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:32,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:32,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:32,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:32,590 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:34,154 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 502 [2021-07-10 06:47:34,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:34,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:34,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 06:47:34,189 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:35,699 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 487 [2021-07-10 06:47:35,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:35,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:35,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:35,731 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:37,221 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 06:47:37,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:37,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:37,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:37,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:37,267 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:37,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:37,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:37,298 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:38,633 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 06:47:38,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:38,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:38,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:38,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-10 06:47:38,679 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:38,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:38,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:38,709 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:39,932 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 06:47:39,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:39,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:39,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:39,957 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 49 treesize of output 25 [2021-07-10 06:47:39,958 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:41,152 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 423 [2021-07-10 06:47:41,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:41,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:41,175 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 47 treesize of output 25 [2021-07-10 06:47:41,176 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:42,295 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2021-07-10 06:47:42,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:42,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:42,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:42,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:42,338 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:42,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:42,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-07-10 06:47:42,366 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:43,414 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 06:47:43,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:43,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:43,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-10 06:47:43,440 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:44,452 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 376 [2021-07-10 06:47:44,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:44,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:44,477 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:45,473 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2021-07-10 06:47:45,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:45,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:45,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-10 06:47:45,497 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:46,454 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-10 06:47:46,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:46,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:46,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:46,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-10 06:47:46,492 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:46,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:47:46,518 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:47,426 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-10 06:47:47,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:47,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:47,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:47,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:47,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:47,451 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:48,320 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-10 06:47:48,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:48,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:48,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-10 06:47:48,342 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:49,156 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-10 06:47:49,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,183 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 [2021-07-10 06:47:49,185 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:49,978 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2021-07-10 06:47:49,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:49,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-10 06:47:50,005 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:50,783 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-10 06:47:50,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:50,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-10 06:47:50,810 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:236 [2021-07-10 06:47:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:47:51,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919393976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:47:51,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:47:51,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-10 06:47:51,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278896035] [2021-07-10 06:47:51,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-10 06:47:51,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:47:51,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-10 06:47:51,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-07-10 06:47:51,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:51,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:47:51,066 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) [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:47:51,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:51,929 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2021-07-10 06:47:52,532 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2021-07-10 06:47:52,876 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-07-10 06:47:53,208 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-07-10 06:47:53,599 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2021-07-10 06:47:54,008 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-07-10 06:47:55,199 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 134 [2021-07-10 06:47:55,698 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 93 [2021-07-10 06:47:58,607 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 265 DAG size of output: 123 [2021-07-10 06:48:03,708 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 568 DAG size of output: 304 [2021-07-10 06:48:06,339 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 185 DAG size of output: 130 [2021-07-10 06:48:07,116 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-07-10 06:48:07,362 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-10 06:48:07,923 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-10 06:48:08,831 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:48:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:48:09,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable501 [2021-07-10 06:48:09,108 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:48:09,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:48:09,109 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 06:48:09,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:48:09,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759035581] [2021-07-10 06:48:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:48:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:48:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:48:09,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:48:09,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759035581] [2021-07-10 06:48:09,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759035581] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:48:09,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590151907] [2021-07-10 06:48:09,238 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:48:09,338 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 06:48:09,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:48:09,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 06:48:09,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:48:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:48:09,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590151907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:48:09,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:48:09,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 06:48:09,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216274644] [2021-07-10 06:48:09,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 06:48:09,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:48:09,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 06:48:09,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 06:48:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:48:09,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:48:09,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:48:09,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:48:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:48:10,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable657,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:48:10,047 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:48:10,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:48:10,048 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 06:48:10,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:48:10,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885310321] [2021-07-10 06:48:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:48:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:48:11,899 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-10 06:48:43,226 WARN L205 SmtUtils]: Spent 31.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 216 [2021-07-10 06:48:43,623 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 48 [2021-07-10 06:50:09,123 WARN L205 SmtUtils]: Spent 1.42 m on a formula simplification. DAG size of input: 348 DAG size of output: 382 [2021-07-10 06:50:10,248 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 382 DAG size of output: 81 [2021-07-10 06:52:33,461 WARN L205 SmtUtils]: Spent 2.39 m on a formula simplification. DAG size of input: 481 DAG size of output: 508 [2021-07-10 06:52:33,589 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-10 06:52:35,166 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 504 DAG size of output: 116 [2021-07-10 06:55:52,530 WARN L205 SmtUtils]: Spent 3.29 m on a formula simplification. DAG size of input: 567 DAG size of output: 750 [2021-07-10 06:55:56,515 WARN L205 SmtUtils]: Spent 3.76 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