/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 16:54:03,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 16:54:03,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 16:54:03,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 16:54:03,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 16:54:03,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 16:54:03,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 16:54:03,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 16:54:03,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 16:54:03,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 16:54:03,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 16:54:03,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 16:54:03,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 16:54:03,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 16:54:03,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 16:54:03,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 16:54:03,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 16:54:03,431 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-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 16:54:03,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 16:54:03,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 16:54:03,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 16:54:03,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 16:54:03,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 16:54:03,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 16:54:03,451 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 16:54:03,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 16:54:03,451 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 16:54:03,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 16:54:03,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 16:54:03,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 16:54:03,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 16:54:03,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 16:54:03,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 16:54:03,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 16:54:03,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 16:54:03,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 16:54:03,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 16:54:03,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 16:54:03,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 16:54:03,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 16:54:03,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 16:54:03,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:54:03,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 16:54:03,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 16:54:03,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 16:54:03,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 16:54:03,455 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 16:54:03,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 16:54:03,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 16:54:03,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 16:54:03,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 16:54:03,456 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 16:54:03,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 16:54:03,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 16:54:03,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 16:54:03,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 16:54:03,745 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 16:54:03,747 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 16:54:03,748 INFO L432 ainManager$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 [2021-06-07 16:54:03,748 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-06-07 16:54:03,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 16:54:03,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 16:54:03,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 16:54:03,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 16:54:03,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 16:54:03,795 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 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,802 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 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 16:54:03,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 16:54:03,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 16:54:03,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 16:54:03,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/1) ... [2021-06-07 16:54:03,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 16:54:03,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 16:54:03,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 16:54:03,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 16:54:03,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (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 [2021-06-07 16:54:03,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 16:54:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 16:54:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 16:54:03,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 16:54:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 16:54:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 16:54:03,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 16:54:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 16:54:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 16:54:03,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 16:54:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 16:54:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 16:54:03,888 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 16:54:04,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 16:54:04,041 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 16:54:04,043 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:54:04 BoogieIcfgContainer [2021-06-07 16:54:04,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 16:54:04,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 16:54:04,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 16:54:04,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 16:54:04,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:54:03" (1/2) ... [2021-06-07 16:54:04,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abac8aa and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:54:04, skipping insertion in model container [2021-06-07 16:54:04,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:54:04" (2/2) ... [2021-06-07 16:54:04,049 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-06-07 16:54:04,053 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 16:54:04,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 16:54:04,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 16:54:04,055 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 16:54:04,085 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 16:54:04,102 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 [2021-06-07 16:54:04,172 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 16:54:04,172 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 16:54:04,172 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 16:54:04,173 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 16:54:04,173 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 16:54:04,173 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 16:54:04,181 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 16:54:04,181 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 16:54:04,227 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:04,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:04,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2045959872, now seen corresponding path program 1 times [2021-06-07 16:54:04,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:04,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930628483] [2021-06-07 16:54:04,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:04,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:04,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930628483] [2021-06-07 16:54:04,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930628483] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:54:04,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:54:04,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 16:54:04,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330326884] [2021-06-07 16:54:04,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 16:54:04,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:04,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 16:54:04,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 16:54:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:04,471 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:04,476 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) [2021-06-07 16:54:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:04,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 16:54:04,521 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:04,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:04,525 INFO L82 PathProgramCache]: Analyzing trace with hash -405063326, now seen corresponding path program 1 times [2021-06-07 16:54:04,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:04,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601203760] [2021-06-07 16:54:04,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:54:04,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:04,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601203760] [2021-06-07 16:54:04,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601203760] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:54:04,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:54:04,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 16:54:04,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544720476] [2021-06-07 16:54:04,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 16:54:04,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:04,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 16:54:04,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 16:54:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:04,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:04,601 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) [2021-06-07 16:54:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:04,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:04,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 16:54:04,674 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:04,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:04,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1348040252, now seen corresponding path program 1 times [2021-06-07 16:54:04,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:04,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273175657] [2021-06-07 16:54:04,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:05,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:05,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273175657] [2021-06-07 16:54:05,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273175657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:05,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510774532] [2021-06-07 16:54:05,091 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 [2021-06-07 16:54:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:05,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 16:54:05,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:05,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:05,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:05,613 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 [2021-06-07 16:54:05,616 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:05,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:05,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:05,621 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 [2021-06-07 16:54:05,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:05,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:05,631 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 [2021-06-07 16:54:05,633 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:05,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:54:05,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:54:05,649 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-07 16:54:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:05,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510774532] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:05,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:54:05,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 16:54:05,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236554245] [2021-06-07 16:54:05,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 16:54:05,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:05,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 16:54:05,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-07 16:54:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:05,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:05,699 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) [2021-06-07 16:54:05,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:05,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:05,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:05,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:05,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:06,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:54:06,113 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:06,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:06,114 INFO L82 PathProgramCache]: Analyzing trace with hash -423836826, now seen corresponding path program 2 times [2021-06-07 16:54:06,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:06,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93236603] [2021-06-07 16:54:06,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:06,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:06,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93236603] [2021-06-07 16:54:06,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93236603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:06,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386570740] [2021-06-07 16:54:06,172 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 [2021-06-07 16:54:06,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:54:06,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:54:06,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:54:06,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:06,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386570740] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:06,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:54:06,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 16:54:06,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699058458] [2021-06-07 16:54:06,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 16:54:06,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:06,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 16:54:06,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-07 16:54:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:06,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:06,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-06-07 16:54:06,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:06,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:06,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:06,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:06,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:06,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-07 16:54:06,717 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:06,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:06,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1614799138, now seen corresponding path program 1 times [2021-06-07 16:54:06,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:06,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637266627] [2021-06-07 16:54:06,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:54:06,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:06,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637266627] [2021-06-07 16:54:06,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637266627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:06,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082356017] [2021-06-07 16:54:06,779 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 [2021-06-07 16:54:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:06,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:54:06,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:54:06,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082356017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:06,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:54:06,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 16:54:06,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326569854] [2021-06-07 16:54:06,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 16:54:06,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:06,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 16:54:06,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-07 16:54:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:06,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:06,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-06-07 16:54:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:07,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:54:07,246 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:07,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:07,247 INFO L82 PathProgramCache]: Analyzing trace with hash 733534532, now seen corresponding path program 2 times [2021-06-07 16:54:07,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:07,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105282456] [2021-06-07 16:54:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:07,841 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2021-06-07 16:54:08,085 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-06-07 16:54:08,351 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-06-07 16:54:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:08,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:08,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105282456] [2021-06-07 16:54:08,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105282456] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:08,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440276214] [2021-06-07 16:54:08,725 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 [2021-06-07 16:54:08,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:54:08,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:54:08,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-07 16:54:08,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,016 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:54:10,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:54:10,050 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-06-07 16:54:10,065 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:54:10,082 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,100 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,114 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,129 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,142 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:54:10,155 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,170 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:54:10,184 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,199 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:54:10,213 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-06-07 16:54:10,227 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,240 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,278 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:54:10,291 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,303 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2021-06-07 16:54:10,315 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,327 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,339 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:54:10,351 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:54:10,363 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,376 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:54:10,390 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-06-07 16:54:10,403 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,415 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:54:10,428 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:54:10,440 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:54:10,459 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:54:10,471 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,482 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:54:10,495 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:54:10,507 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 19 [2021-06-07 16:54:10,519 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,531 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,543 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,556 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,566 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:54:10,578 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:54:10,591 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:54:10,601 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:54:10,613 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,626 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,639 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,652 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:54:10,665 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,677 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,690 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-06-07 16:54:10,702 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:54:10,714 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,726 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-06-07 16:54:10,736 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:54:10,745 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 19 [2021-06-07 16:54:10,754 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:54:10,763 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:54:10,772 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2021-06-07 16:54:10,782 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:54:10,791 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:54:10,801 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:54:10,812 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:54:10,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:54:10,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:54:10,819 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:10,921 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2021-06-07 16:54:10,921 INFO L628 ElimStorePlain]: treesize reduction 106, result has 41.4 percent of original size [2021-06-07 16:54:10,924 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 16:54:10,924 INFO L247 ElimStorePlain]: Needed 64 recursive calls to eliminate 2 variables, input treesize:3159, output treesize:51 [2021-06-07 16:54:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:11,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440276214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:11,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:54:11,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-07 16:54:11,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156945286] [2021-06-07 16:54:11,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 16:54:11,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:11,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 16:54:11,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2021-06-07 16:54:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:11,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:11,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 23 states have internal predecessors, (58), 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) [2021-06-07 16:54:11,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:11,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:11,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:11,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:11,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:11,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:11,489 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 45 [2021-06-07 16:54:11,883 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 60 [2021-06-07 16:54:12,050 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2021-06-07 16:54:12,346 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-06-07 16:54:12,693 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 73 [2021-06-07 16:54:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:12,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:54:13,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-07 16:54:13,097 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:13,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:13,097 INFO L82 PathProgramCache]: Analyzing trace with hash -53194522, now seen corresponding path program 3 times [2021-06-07 16:54:13,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:13,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198955244] [2021-06-07 16:54:13,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:13,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:13,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198955244] [2021-06-07 16:54:13,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198955244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:13,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239162755] [2021-06-07 16:54:13,193 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 [2021-06-07 16:54:13,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 16:54:13,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:54:13,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:54:13,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:13,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239162755] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:13,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:54:13,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-07 16:54:13,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704306181] [2021-06-07 16:54:13,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 16:54:13,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:13,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 16:54:13,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-07 16:54:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:13,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:13,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 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) [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:54:13,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:54:13,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:54:14,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:54:14,036 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:14,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1557442210, now seen corresponding path program 4 times [2021-06-07 16:54:14,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:14,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28493593] [2021-06-07 16:54:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:54:14,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:14,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28493593] [2021-06-07 16:54:14,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28493593] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:14,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964333452] [2021-06-07 16:54:14,124 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 [2021-06-07 16:54:14,153 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:54:14,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:54:14,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:54:14,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:54:14,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964333452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:14,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:54:14,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-07 16:54:14,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784284311] [2021-06-07 16:54:14,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 16:54:14,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:54:14,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 16:54:14,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-07 16:54:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:14,265 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:54:14,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 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) [2021-06-07 16:54:14,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:54:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:54:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:54:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:54:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:54:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:54:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:54:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:54:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:54:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:54:14,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:54:14,651 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:54:14,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:54:14,652 INFO L82 PathProgramCache]: Analyzing trace with hash 753689796, now seen corresponding path program 5 times [2021-06-07 16:54:14,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:54:14,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686909862] [2021-06-07 16:54:14,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:54:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:54:15,899 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-07 16:54:16,054 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2021-06-07 16:54:16,613 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 115 [2021-06-07 16:54:16,917 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-06-07 16:54:18,152 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2021-06-07 16:54:18,812 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 129 [2021-06-07 16:54:21,485 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 226 DAG size of output: 246 [2021-06-07 16:54:22,498 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 160 [2021-06-07 16:54:24,812 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 221 DAG size of output: 240 [2021-06-07 16:54:25,790 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 155 [2021-06-07 16:54:27,175 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 193 DAG size of output: 222 [2021-06-07 16:54:27,852 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 102 [2021-06-07 16:54:28,398 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 193 [2021-06-07 16:54:28,909 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 69 [2021-06-07 16:54:29,127 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 46 [2021-06-07 16:54:29,344 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2021-06-07 16:54:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:54:29,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:54:29,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686909862] [2021-06-07 16:54:29,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686909862] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:54:29,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644262017] [2021-06-07 16:54:29,481 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 [2021-06-07 16:54:29,533 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 16:54:29,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:54:29,534 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-07 16:54:29,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:54:31,538 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 115 [2021-06-07 16:54:32,973 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2021-06-07 16:54:36,738 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 388 DAG size of output: 354 [2021-06-07 16:54:40,039 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 394 DAG size of output: 358 [2021-06-07 16:54:43,400 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 400 DAG size of output: 362 [2021-06-07 16:54:44,857 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-06-07 16:54:46,598 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2021-06-07 16:54:48,711 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:54:48,711 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:54:48,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 69 [2021-06-07 16:54:48,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:48,942 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:54:48,943 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:54:48,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:54:48,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:54,174 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 762 [2021-06-07 16:54:54,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:54:54,416 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:54:54,416 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:54:54,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:54:54,432 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:54:54,607 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-06-07 16:54:54,608 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:54:54,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-06-07 16:54:54,619 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:05,157 WARN L205 SmtUtils]: Spent 10.54 s on a formula simplification. DAG size of input: 769 DAG size of output: 766 [2021-06-07 16:55:05,159 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.5 percent of original size [2021-06-07 16:55:05,402 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:55:05,402 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:55:05,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 73 [2021-06-07 16:55:05,442 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:05,716 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:55:05,717 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:55:05,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:55:05,722 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:11,406 WARN L205 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 764 [2021-06-07 16:55:11,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:55:11,738 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:55:11,738 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:55:11,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:55:11,837 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:12,041 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:55:12,041 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:55:12,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 89 [2021-06-07 16:55:12,163 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:23,682 WARN L205 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 780 DAG size of output: 758 [2021-06-07 16:55:23,684 INFO L628 ElimStorePlain]: treesize reduction 104, result has 97.6 percent of original size [2021-06-07 16:55:23,934 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:55:23,935 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:55:23,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 93 [2021-06-07 16:55:24,100 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:24,398 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:55:24,398 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:55:24,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:55:24,430 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:35,147 WARN L205 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 766 DAG size of output: 745 [2021-06-07 16:55:35,148 INFO L628 ElimStorePlain]: treesize reduction 72, result has 98.3 percent of original size [2021-06-07 16:55:35,411 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:55:35,411 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:55:35,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 93 [2021-06-07 16:55:35,664 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:35,870 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:55:35,870 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:55:35,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 48 treesize of output 88 [2021-06-07 16:55:35,906 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:51,395 WARN L205 SmtUtils]: Spent 15.49 s on a formula simplification. DAG size of input: 747 DAG size of output: 730 [2021-06-07 16:55:51,396 INFO L628 ElimStorePlain]: treesize reduction 52, result has 98.8 percent of original size [2021-06-07 16:55:51,597 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:55:51,597 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:55:51,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 81 [2021-06-07 16:55:51,624 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-07 16:55:51,786 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:55:51,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:55:51,983 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:07,379 WARN L205 SmtUtils]: Spent 15.39 s on a formula simplification. DAG size of input: 797 DAG size of output: 736 [2021-06-07 16:56:07,381 INFO L628 ElimStorePlain]: treesize reduction 449, result has 90.3 percent of original size [2021-06-07 16:56:07,607 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:56:07,607 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:56:07,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 69 [2021-06-07 16:56:07,614 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:07,803 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:56:07,804 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:56:07,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:56:07,816 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:12,788 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-07 16:56:12,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:13,009 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:56:13,009 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:56:13,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:56:13,016 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:13,178 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-06-07 16:56:13,179 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:56:13,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 65 [2021-06-07 16:56:13,183 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:18,042 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-07 16:56:18,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:18,309 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:56:18,309 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:56:18,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 89 [2021-06-07 16:56:18,514 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:18,717 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-07 16:56:18,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:18,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:56:18,895 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:33,881 WARN L205 SmtUtils]: Spent 14.98 s on a formula simplification. DAG size of input: 789 DAG size of output: 720 [2021-06-07 16:56:33,882 INFO L628 ElimStorePlain]: treesize reduction 555, result has 88.3 percent of original size [2021-06-07 16:56:34,113 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:56:34,114 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:56:34,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 73 [2021-06-07 16:56:34,126 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:34,351 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:56:34,352 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:56:34,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 76 [2021-06-07 16:56:34,356 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:39,214 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification that was a NOOP. DAG size: 714 [2021-06-07 16:56:39,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:39,433 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:56:39,434 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:56:39,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 69 [2021-06-07 16:56:39,439 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:39,608 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:56:39,608 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:56:39,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 76 [2021-06-07 16:56:39,612 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:44,286 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification that was a NOOP. DAG size: 710 [2021-06-07 16:56:44,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:44,477 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-07 16:56:44,478 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:44,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:56:44,581 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:44,753 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:56:44,768 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:56:44,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 89 [2021-06-07 16:56:44,998 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:54,509 WARN L205 SmtUtils]: Spent 9.51 s on a formula simplification. DAG size of input: 752 DAG size of output: 705 [2021-06-07 16:56:54,510 INFO L628 ElimStorePlain]: treesize reduction 337, result has 92.5 percent of original size [2021-06-07 16:56:54,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:56:54,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:56:54,885 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-07 16:56:55,061 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:56:55,062 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:56:55,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 85 [2021-06-07 16:56:55,157 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:04,703 WARN L205 SmtUtils]: Spent 9.54 s on a formula simplification. DAG size of input: 765 DAG size of output: 699 [2021-06-07 16:57:04,704 INFO L628 ElimStorePlain]: treesize reduction 432, result has 90.5 percent of original size [2021-06-07 16:57:04,943 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:57:04,944 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:57:04,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:57:04,952 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:05,108 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-06-07 16:57:05,108 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:57:05,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-06-07 16:57:05,114 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:09,678 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 694 [2021-06-07 16:57:09,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:57:09,887 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:57:09,887 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:57:09,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 85 [2021-06-07 16:57:09,963 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:10,096 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:57:10,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:57:10,289 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:24,119 WARN L205 SmtUtils]: Spent 13.83 s on a formula simplification. DAG size of input: 759 DAG size of output: 690 [2021-06-07 16:57:24,121 INFO L628 ElimStorePlain]: treesize reduction 467, result has 89.9 percent of original size [2021-06-07 16:57:24,307 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:57:24,307 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:57:24,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 48 treesize of output 72 [2021-06-07 16:57:24,310 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:24,464 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:57:24,464 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:57:24,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 73 [2021-06-07 16:57:24,475 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:28,862 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 681 [2021-06-07 16:57:28,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:57:29,082 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:57:29,082 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:57:29,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:57:29,089 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:29,236 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:57:29,237 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:57:29,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 69 [2021-06-07 16:57:29,244 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:33,591 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification that was a NOOP. DAG size: 677 [2021-06-07 16:57:33,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:57:33,766 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:57:33,766 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:57:33,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 89 [2021-06-07 16:57:33,933 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:34,073 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:57:34,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:57:34,187 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:47,070 WARN L205 SmtUtils]: Spent 12.88 s on a formula simplification. DAG size of input: 715 DAG size of output: 668 [2021-06-07 16:57:47,071 INFO L628 ElimStorePlain]: treesize reduction 339, result has 92.4 percent of original size [2021-06-07 16:57:47,248 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:57:47,248 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:57:47,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 69 [2021-06-07 16:57:47,258 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:47,432 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:57:47,433 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:57:47,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:57:47,438 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:51,618 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 659 [2021-06-07 16:57:51,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:57:51,834 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:57:51,834 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:57:51,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:57:51,933 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-07 16:57:52,086 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:57:52,086 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:57:52,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 85 [2021-06-07 16:57:52,144 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:00,526 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 699 DAG size of output: 653 [2021-06-07 16:58:00,528 INFO L628 ElimStorePlain]: treesize reduction 282, result has 93.6 percent of original size [2021-06-07 16:58:00,726 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:58:00,726 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:58:00,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:58:00,732 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:00,870 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:58:00,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 73 [2021-06-07 16:58:00,890 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:04,991 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-07 16:58:04,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:58:05,190 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:58:05,190 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:58:05,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 74 [2021-06-07 16:58:05,199 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:05,315 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:58:05,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 65 [2021-06-07 16:58:05,318 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:09,344 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 645 [2021-06-07 16:58:09,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:58:09,539 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:58:09,539 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:58:09,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:58:09,544 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:09,685 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:58:09,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 69 [2021-06-07 16:58:09,691 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:13,680 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 641 [2021-06-07 16:58:13,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:58:13,841 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:58:13,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-06-07 16:58:13,845 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:14,006 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:58:14,007 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:58:14,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:58:14,018 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:18,057 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 640 [2021-06-07 16:58:18,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:58:18,240 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:58:18,241 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:58:18,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 92 [2021-06-07 16:58:18,293 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:18,440 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:58:18,440 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:58:18,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 93 [2021-06-07 16:58:18,699 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:26,513 WARN L205 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 645 DAG size of output: 627 [2021-06-07 16:58:26,515 INFO L628 ElimStorePlain]: treesize reduction 59, result has 98.6 percent of original size [2021-06-07 16:58:26,689 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:58:26,689 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:58:26,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:58:26,699 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:26,816 INFO L354 Elim1Store]: treesize reduction 36, result has 50.7 percent of original size [2021-06-07 16:58:26,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 61 [2021-06-07 16:58:26,818 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:30,699 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification that was a NOOP. DAG size: 629 [2021-06-07 16:58:30,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:58:30,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:58:30,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:58:30,956 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:31,099 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:58:31,100 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:58:31,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 85 [2021-06-07 16:58:31,195 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:46,195 WARN L205 SmtUtils]: Spent 15.00 s on a formula simplification. DAG size of input: 677 DAG size of output: 623 [2021-06-07 16:58:46,197 INFO L628 ElimStorePlain]: treesize reduction 443, result has 90.2 percent of original size [2021-06-07 16:58:46,361 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:58:46,361 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:58:46,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 89 [2021-06-07 16:58:46,401 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:46,562 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:58:46,563 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:58:46,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:58:46,609 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:53,874 WARN L205 SmtUtils]: Spent 7.26 s on a formula simplification. DAG size of input: 642 DAG size of output: 607 [2021-06-07 16:58:53,875 INFO L628 ElimStorePlain]: treesize reduction 230, result has 94.7 percent of original size [2021-06-07 16:58:54,049 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:58:54,050 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:58:54,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 92 [2021-06-07 16:58:54,091 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-07 16:58:54,231 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:58:54,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 89 [2021-06-07 16:58:54,253 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-07 16:59:01,220 WARN L205 SmtUtils]: Spent 6.97 s on a formula simplification. DAG size of input: 612 DAG size of output: 597 [2021-06-07 16:59:01,221 INFO L628 ElimStorePlain]: treesize reduction 62, result has 98.5 percent of original size [2021-06-07 16:59:01,345 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:59:01,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 74 [2021-06-07 16:59:01,357 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-07 16:59:01,450 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:59:01,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 31 treesize of output 91 [2021-06-07 16:59:01,571 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-07 16:59:04,914 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 584 [2021-06-07 16:59:04,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:59:05,035 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:59:05,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:59:05,078 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-07 16:59:05,205 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:59:05,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 93 [2021-06-07 16:59:05,438 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-07 16:59:11,868 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 598 DAG size of output: 573 [2021-06-07 16:59:11,869 INFO L628 ElimStorePlain]: treesize reduction 121, result has 97.0 percent of original size [2021-06-07 16:59:11,971 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 573 [2021-06-07 16:59:13,734 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 457 [2021-06-07 16:59:13,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 32 dim-1 vars, End of recursive call: and 64 xjuncts. [2021-06-07 16:59:13,740 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:4285, output treesize:12519 [2021-06-07 16:59:14,151 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 457 [2021-06-07 16:59:15,763 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 456 DAG size of output: 52 [2021-06-07 16:59:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:59:15,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644262017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:59:15,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:59:15,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-07 16:59:15,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092377653] [2021-06-07 16:59:15,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-07 16:59:15,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:59:15,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-07 16:59:15,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2021-06-07 16:59:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:59:15,932 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:59:15,933 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) [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:59:15,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:59:16,546 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 51 [2021-06-07 16:59:17,000 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 56 [2021-06-07 16:59:17,314 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-06-07 16:59:17,678 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-06-07 16:59:18,035 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 76 [2021-06-07 16:59:18,343 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 96 [2021-06-07 16:59:18,651 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 91 [2021-06-07 16:59:19,257 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 124 [2021-06-07 16:59:19,688 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 103 [2021-06-07 16:59:23,830 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 260 DAG size of output: 168 [2021-06-07 16:59:24,258 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 94 [2021-06-07 16:59:30,192 WARN L205 SmtUtils]: Spent 5.62 s on a formula simplification. DAG size of input: 564 DAG size of output: 206 [2021-06-07 16:59:32,704 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 273 DAG size of output: 132 [2021-06-07 16:59:33,049 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-06-07 16:59:33,567 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-07 16:59:33,955 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-07 16:59:34,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:59:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 16:59:34,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-07 16:59:34,233 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:59:34,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:59:34,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1095960746, now seen corresponding path program 6 times [2021-06-07 16:59:34,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:59:34,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64847691] [2021-06-07 16:59:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:59:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:59:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:59:34,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:59:34,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64847691] [2021-06-07 16:59:34,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64847691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:59:34,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527084094] [2021-06-07 16:59:34,355 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 [2021-06-07 16:59:34,410 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 16:59:34,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:59:34,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 16:59:34,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:59:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:59:34,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527084094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:59:34,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:59:34,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-07 16:59:34,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421003662] [2021-06-07 16:59:34,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 16:59:34,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:59:34,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 16:59:34,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-07 16:59:34,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:59:34,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:59:34,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 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) [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 16:59:34,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:59:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:59:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:59:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:59:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:59:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:59:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:59:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:59:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:59:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 16:59:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 16:59:35,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2137,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:59:35,088 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:59:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:59:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1651211468, now seen corresponding path program 7 times [2021-06-07 16:59:35,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:59:35,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057760974] [2021-06-07 16:59:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:59:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:59:38,918 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 111 [2021-06-07 16:59:39,075 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2021-06-07 16:59:39,308 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 148 [2021-06-07 16:59:39,609 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 69 [2021-06-07 17:01:10,307 WARN L205 SmtUtils]: Spent 1.51 m on a formula simplification. DAG size of input: 497 DAG size of output: 358 [2021-06-07 17:01:10,705 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 358 [2021-06-07 17:01:12,057 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 358 DAG size of output: 124 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown