/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 07:24:19,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 07:24:19,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 07:24:19,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 07:24:20,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 07:24:20,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 07:24:20,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 07:24:20,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 07:24:20,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 07:24:20,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 07:24:20,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 07:24:20,076 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 07:24:20,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 07:24:20,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 07:24:20,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 07:24:20,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 07:24:20,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 07:24:20,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 07:24:20,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 07:24:20,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 07:24:20,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 07:24:20,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 07:24:20,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 07:24:20,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 07:24:20,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 07:24:20,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 07:24:20,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 07:24:20,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 07:24:20,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 07:24:20,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 07:24:20,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 07:24:20,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 07:24:20,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 07:24:20,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 07:24:20,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 07:24:20,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 07:24:20,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 07:24:20,080 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 07:24:20,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 07:24:20,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 07:24:20,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 07:24:20,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 07:24:20,401 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 07:24:20,402 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 07:24:20,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-06-17 07:24:20,403 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-06-17 07:24:20,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 07:24:20,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 07:24:20,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 07:24:20,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 07:24:20,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 07:24:20,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 07:24:20,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 07:24:20,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 07:24:20,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 07:24:20,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/1) ... [2021-06-17 07:24:20,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 07:24:20,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 07:24:20,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 07:24:20,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 07:24:20,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (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 [2021-06-17 07:24:20,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 07:24:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 07:24:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 07:24:20,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 07:24:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 07:24:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 07:24:20,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 07:24:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 07:24:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 07:24:20,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 07:24:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 07:24:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 07:24:20,608 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 07:24:20,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 07:24:20,793 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 07:24:20,795 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:24:20 BoogieIcfgContainer [2021-06-17 07:24:20,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 07:24:20,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 07:24:20,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 07:24:20,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 07:24:20,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:20" (1/2) ... [2021-06-17 07:24:20,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33af33b and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 07:24:20, skipping insertion in model container [2021-06-17 07:24:20,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:24:20" (2/2) ... [2021-06-17 07:24:20,801 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-06-17 07:24:20,806 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 07:24:20,806 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 07:24:20,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 07:24:20,807 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 07:24:20,838 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 07:24:20,855 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 [2021-06-17 07:24:20,969 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 07:24:20,969 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 07:24:20,970 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 07:24:20,970 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 07:24:20,970 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 07:24:20,970 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 07:24:20,970 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 07:24:20,970 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 07:24:21,088 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:21,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-17 07:24:21,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:21,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58472338] [2021-06-17 07:24:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:21,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:21,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58472338] [2021-06-17 07:24:21,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58472338] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:24:21,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:24:21,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 07:24:21,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996595938] [2021-06-17 07:24:21,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 07:24:21,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 07:24:21,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 07:24:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:21,346 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:21,348 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) [2021-06-17 07:24:21,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:21,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 07:24:21,393 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:21,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:21,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-17 07:24:21,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:21,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152856246] [2021-06-17 07:24:21,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:24:21,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:21,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152856246] [2021-06-17 07:24:21,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152856246] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:24:21,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:24:21,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 07:24:21,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660180305] [2021-06-17 07:24:21,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 07:24:21,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:21,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 07:24:21,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 07:24:21,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:21,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:21,460 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) [2021-06-17 07:24:21,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:21,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:21,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:21,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:21,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 07:24:21,515 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:21,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-17 07:24:21,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:21,516 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318344511] [2021-06-17 07:24:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:22,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:22,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318344511] [2021-06-17 07:24:22,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318344511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:22,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299737645] [2021-06-17 07:24:22,041 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 [2021-06-17 07:24:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:22,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 07:24:22,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:22,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:22,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:22,572 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 [2021-06-17 07:24:22,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:22,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:22,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:22,579 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 [2021-06-17 07:24:22,580 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:22,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:22,588 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 [2021-06-17 07:24:22,589 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:22,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:22,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 07:24:22,604 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-17 07:24:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:22,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299737645] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:22,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:22,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:24:22,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770162612] [2021-06-17 07:24:22,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 07:24:22,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:22,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 07:24:22,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-17 07:24:22,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:22,661 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:22,661 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) [2021-06-17 07:24:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:23,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:23,049 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:23,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-17 07:24:23,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:23,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145973603] [2021-06-17 07:24:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:23,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:23,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145973603] [2021-06-17 07:24:23,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145973603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:23,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156209368] [2021-06-17 07:24:23,133 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 [2021-06-17 07:24:23,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:24:23,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:24:23,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:24:23,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:23,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156209368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:23,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:23,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:24:23,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407032900] [2021-06-17 07:24:23,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:24:23,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:23,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:24:23,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:24:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:23,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:23,336 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) [2021-06-17 07:24:23,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:23,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:23,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:23,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:23,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-17 07:24:23,724 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:23,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:23,724 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-17 07:24:23,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:23,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895460790] [2021-06-17 07:24:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:24:23,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:23,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895460790] [2021-06-17 07:24:23,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895460790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:23,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660171305] [2021-06-17 07:24:23,790 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 [2021-06-17 07:24:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:23,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:24:23,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:24:23,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660171305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:23,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:23,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:24:23,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403055607] [2021-06-17 07:24:23,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 07:24:23,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:23,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 07:24:23,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-17 07:24:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:23,936 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:23,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2021-06-17 07:24:23,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:23,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:23,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:23,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:23,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:24:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:24:24,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:24,249 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:24,249 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-17 07:24:24,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:24,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721943487] [2021-06-17 07:24:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:24,886 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-06-17 07:24:25,120 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-17 07:24:25,369 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-17 07:24:25,573 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-17 07:24:25,763 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-17 07:24:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:25,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:25,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721943487] [2021-06-17 07:24:25,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721943487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:25,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420195186] [2021-06-17 07:24:25,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:25,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:24:25,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:24:25,982 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-17 07:24:25,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:27,616 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-17 07:24:29,435 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_71, v_prenex_65, v_prenex_75, v_prenex_73, v_prenex_69, v_prenex_57, v_prenex_46, v_prenex_55, v_prenex_59, v_prenex_48], 10=[v_prenex_50, v_prenex_61, v_prenex_53, v_prenex_63, v_prenex_67]} [2021-06-17 07:24:29,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:29,588 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:24:29,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-17 07:24:29,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:29,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:29,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:29,696 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:24:29,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-17 07:24:29,701 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:33,517 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-17 07:24:33,518 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-17 07:24:33,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:33,632 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:33,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-17 07:24:33,660 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:33,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:33,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:33,767 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-17 07:24:33,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-17 07:24:33,787 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:37,241 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-17 07:24:37,243 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-17 07:24:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:37,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:37,321 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:24:37,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-17 07:24:37,326 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:37,420 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:24:37,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-17 07:24:37,425 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:39,122 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-17 07:24:39,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:39,219 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:24:39,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-17 07:24:39,228 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:39,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:39,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:39,316 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:24:39,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-17 07:24:39,323 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:40,959 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-17 07:24:40,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:40,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:40,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:41,053 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:24:41,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-17 07:24:41,060 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:41,140 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:24:41,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-17 07:24:41,143 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:42,766 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-17 07:24:42,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:42,842 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:24:42,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-17 07:24:42,845 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:42,912 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:24:42,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-17 07:24:42,914 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:44,443 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-17 07:24:44,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:44,527 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:24:44,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-17 07:24:44,529 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:44,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:44,597 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:24:44,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-17 07:24:44,605 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:46,075 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-17 07:24:46,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:46,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:46,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:46,162 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-17 07:24:46,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-17 07:24:46,171 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:46,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:46,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-17 07:24:46,268 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:49,095 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-17 07:24:49,096 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-17 07:24:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:49,191 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-17 07:24:49,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-06-17 07:24:49,215 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:49,286 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:24:49,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 41 [2021-06-17 07:24:49,288 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:50,636 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-17 07:24:50,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:50,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:50,719 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-17 07:24:50,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-17 07:24:50,721 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:50,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:50,785 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-17 07:24:50,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-17 07:24:50,790 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:52,052 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-17 07:24:52,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:52,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:52,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:52,151 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:24:52,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-17 07:24:52,155 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:52,248 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-17 07:24:52,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 52 [2021-06-17 07:24:52,262 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:53,464 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-17 07:24:53,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,528 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-17 07:24:53,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-06-17 07:24:53,530 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:53,583 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:53,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-06-17 07:24:53,610 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:54,793 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-17 07:24:54,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:54,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,865 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-17 07:24:54,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-06-17 07:24:54,886 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:54,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:54,952 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-17 07:24:54,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-06-17 07:24:54,965 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:56,085 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-17 07:24:56,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,156 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-17 07:24:56,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-06-17 07:24:56,159 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:56,207 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-17 07:24:56,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-06-17 07:24:56,212 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:57,316 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 233 [2021-06-17 07:24:57,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,386 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-17 07:24:57,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-06-17 07:24:57,392 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:57,449 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-17 07:24:57,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-17 07:24:57,456 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:58,505 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 221 [2021-06-17 07:24:58,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:24:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,561 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-17 07:24:58,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 39 [2021-06-17 07:24:58,581 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:24:58,647 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-17 07:24:58,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-17 07:24:58,659 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:59,717 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 209 [2021-06-17 07:24:59,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:00,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-17 07:25:00,032 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-17 07:25:00,884 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-17 07:25:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:25:01,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420195186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:25:01,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:25:01,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-17 07:25:01,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814884395] [2021-06-17 07:25:01,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 07:25:01,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:25:01,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 07:25:01,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-17 07:25:01,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:25:01,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:25:01,029 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) [2021-06-17 07:25:01,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:25:01,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:25:01,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:25:01,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:25:01,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:25:01,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:25:01,257 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-17 07:25:01,518 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-17 07:25:01,806 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-17 07:25:02,177 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-17 07:25:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:25:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:25:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:25:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:25:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:25:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:25:02,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 07:25:02,512 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:25:02,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:25:02,513 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-17 07:25:02,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:25:02,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175450983] [2021-06-17 07:25:02,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:25:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:25:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:25:02,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:25:02,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175450983] [2021-06-17 07:25:02,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175450983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:25:02,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965036551] [2021-06-17 07:25:02,603 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 [2021-06-17 07:25:02,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 07:25:02,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:25:02,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:25:02,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:25:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:25:02,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965036551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:25:02,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:25:02,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-17 07:25:02,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782628597] [2021-06-17 07:25:02,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 07:25:02,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:25:02,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 07:25:02,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-17 07:25:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:25:02,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:25:02,801 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) [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:25:02,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:25:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:25:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:25:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:25:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:25:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:25:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:25:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:25:03,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:25:03,364 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:25:03,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:25:03,365 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-17 07:25:03,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:25:03,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562534016] [2021-06-17 07:25:03,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:25:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:25:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:25:03,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:25:03,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562534016] [2021-06-17 07:25:03,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562534016] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:25:03,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043452482] [2021-06-17 07:25:03,445 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 [2021-06-17 07:25:03,481 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:25:03,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:25:03,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:25:03,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:25:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:25:03,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043452482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:25:03,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:25:03,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-17 07:25:03,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042770181] [2021-06-17 07:25:03,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 07:25:03,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:25:03,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 07:25:03,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-17 07:25:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:25:03,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:25:03,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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) [2021-06-17 07:25:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:25:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:25:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:25:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:25:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:25:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:25:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:25:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:25:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:25:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:25:03,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:25:03,972 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:25:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:25:03,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-17 07:25:03,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:25:03,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631620938] [2021-06-17 07:25:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:25:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:25:05,564 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-17 07:25:05,967 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-17 07:25:06,533 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-17 07:25:07,183 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-17 07:25:08,571 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-17 07:25:09,361 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-17 07:25:11,475 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-17 07:25:12,107 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-17 07:25:14,215 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-17 07:25:15,055 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-17 07:25:16,365 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-17 07:25:16,844 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-17 07:25:17,605 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-17 07:25:17,710 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-17 07:25:18,100 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-17 07:25:18,208 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 156 [2021-06-17 07:25:18,657 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-17 07:25:18,883 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 22 [2021-06-17 07:25:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:25:18,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:25:18,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631620938] [2021-06-17 07:25:18,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631620938] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:25:18,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887618914] [2021-06-17 07:25:18,950 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 [2021-06-17 07:25:19,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 07:25:19,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:25:19,025 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 07:25:19,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:25:19,548 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-17 07:25:21,073 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-17 07:25:22,713 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-17 07:25:26,680 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-17 07:25:30,323 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-17 07:25:34,118 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-17 07:25:35,748 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-17 07:25:37,251 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-17 07:25:39,498 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-17 07:25:40,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:40,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:40,451 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 [2021-06-17 07:25:40,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:40,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:40,506 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 [2021-06-17 07:25:40,508 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:48,331 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-17 07:25:48,333 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-17 07:25:48,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:48,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:48,387 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 54 treesize of output 28 [2021-06-17 07:25:48,389 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,431 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 [2021-06-17 07:25:48,432 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:51,444 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-17 07:25:51,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:51,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:51,524 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 [2021-06-17 07:25:51,526 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:51,569 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 [2021-06-17 07:25:51,571 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:54,472 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-17 07:25:54,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:54,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:54,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:54,509 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 [2021-06-17 07:25:54,511 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:57,193 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-17 07:25:57,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:57,249 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 [2021-06-17 07:25:57,250 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:57,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:57,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:25:57,287 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:59,835 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-17 07:25:59,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:59,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:25:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:59,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:59,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:59,874 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 [2021-06-17 07:25:59,876 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:02,429 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-17 07:26:02,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:02,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:02,465 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 [2021-06-17 07:26:02,466 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:04,906 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-17 07:26:04,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:04,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:04,969 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 [2021-06-17 07:26:04,970 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:05,006 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 [2021-06-17 07:26:05,008 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:07,263 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-17 07:26:07,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:07,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:07,295 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 [2021-06-17 07:26:07,296 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:09,491 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-17 07:26:09,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:09,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:09,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:09,523 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 [2021-06-17 07:26:09,525 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:11,598 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-17 07:26:11,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,651 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 [2021-06-17 07:26:11,652 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:11,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,684 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 [2021-06-17 07:26:11,685 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:13,689 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-17 07:26:13,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,721 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 [2021-06-17 07:26:13,723 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:15,660 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-17 07:26:15,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:15,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:15,709 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 [2021-06-17 07:26:15,711 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:15,741 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 [2021-06-17 07:26:15,743 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:17,583 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-17 07:26:17,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:17,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:17,630 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 [2021-06-17 07:26:17,632 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:17,662 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 [2021-06-17 07:26:17,663 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:19,437 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-17 07:26:19,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:19,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:19,469 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 [2021-06-17 07:26:19,471 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:21,220 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-17 07:26:21,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:26:21,266 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:21,295 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 [2021-06-17 07:26:21,296 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:22,927 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-17 07:26:22,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:22,928 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-17 07:26:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:22,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:22,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:22,955 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 [2021-06-17 07:26:22,956 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:24,534 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-17 07:26:24,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:24,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:24,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:24,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:24,560 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 [2021-06-17 07:26:24,561 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:26,074 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-17 07:26:26,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:26,125 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 [2021-06-17 07:26:26,126 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:26,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:26:26,166 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:27,603 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-17 07:26:27,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:27,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:27,628 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 [2021-06-17 07:26:27,629 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:29,024 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-17 07:26:29,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,067 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 [2021-06-17 07:26:29,076 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:29,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-17 07:26:29,103 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:30,447 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-17 07:26:30,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,487 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 [2021-06-17 07:26:30,489 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:30,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:30,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-17 07:26:30,515 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:31,699 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-17 07:26:31,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:31,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:31,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:31,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:31,723 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 [2021-06-17 07:26:31,724 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:32,866 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-17 07:26:32,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:32,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:32,902 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 [2021-06-17 07:26:32,904 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:32,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-17 07:26:32,929 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:34,004 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-17 07:26:34,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:34,042 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 [2021-06-17 07:26:34,043 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:34,067 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 [2021-06-17 07:26:34,069 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:35,053 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-17 07:26:35,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:35,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:35,075 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 [2021-06-17 07:26:35,076 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:36,026 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-17 07:26:36,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:36,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:36,060 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 [2021-06-17 07:26:36,061 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:36,100 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 [2021-06-17 07:26:36,102 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:37,005 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-17 07:26:37,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:37,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-17 07:26:37,026 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:37,879 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-17 07:26:37,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:37,904 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 49 treesize of output 25 [2021-06-17 07:26:37,906 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:38,731 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-17 07:26:38,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,762 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 [2021-06-17 07:26:38,764 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:38,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:38,783 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 [2021-06-17 07:26:38,784 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:39,529 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-17 07:26:39,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:39,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:39,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-17 07:26:39,550 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:40,284 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-17 07:26:40,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:40,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-17 07:26:40,320 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-17 07:26:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:40,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887618914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:40,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:26:40,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-17 07:26:40,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360171620] [2021-06-17 07:26:40,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-17 07:26:40,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:26:40,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-17 07:26:40,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-17 07:26:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:40,560 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:26:40,560 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) [2021-06-17 07:26:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:26:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:40,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:41,098 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-17 07:26:41,538 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-17 07:26:42,233 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-17 07:26:42,462 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-17 07:26:42,846 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-17 07:26:43,180 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-17 07:26:45,046 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-17 07:26:48,026 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-17 07:26:52,520 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-17 07:26:53,526 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-17 07:26:53,972 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-17 07:26:54,686 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-17 07:26:55,724 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-17 07:26:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 07:26:56,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-17 07:26:56,010 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:26:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:26:56,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-17 07:26:56,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:26:56,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757308817] [2021-06-17 07:26:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:26:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:26:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:56,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:26:56,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757308817] [2021-06-17 07:26:56,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757308817] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:56,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735152774] [2021-06-17 07:26:56,147 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 [2021-06-17 07:26:56,196 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 07:26:56,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:26:56,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 07:26:56,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:26:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:56,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735152774] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:56,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:26:56,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-17 07:26:56,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018325936] [2021-06-17 07:26:56,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-17 07:26:56,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:26:56,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-17 07:26:56,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-17 07:26:56,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:56,453 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:26:56,453 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) [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 07:26:56,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:26:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:56,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 07:26:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:26:56,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-17 07:26:56,917 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:26:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:26:56,917 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-17 07:26:56,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:26:56,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443912428] [2021-06-17 07:26:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:26:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:27:01,884 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-17 07:27:02,145 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-17 07:27:02,563 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-17 07:27:02,775 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-17 07:27:03,498 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 101 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown