/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 07:24:48,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 07:24:48,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 07:24:48,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 07:24:48,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 07:24:48,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 07:24:48,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 07:24:48,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 07:24:48,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 07:24:48,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 07:24:48,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 07:24:48,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 07:24:48,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 07:24:48,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 07:24:48,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 07:24:48,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 07:24:48,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 07:24:48,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 07:24:48,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 07:24:48,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 07:24:48,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 07:24:48,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 07:24:48,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 07:24:48,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 07:24:48,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 07:24:48,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 07:24:48,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 07:24:48,331 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 07:24:48,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 07:24:48,332 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 07:24:48,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 07:24:48,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 07:24:48,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 07:24:48,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 07:24:48,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 07:24:48,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 07:24:48,334 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 07:24:48,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 07:24:48,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 07:24:48,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 07:24:48,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 07:24:48,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 07:24:48,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 07:24:48,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 07:24:48,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 07:24:48,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 07:24:48,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 07:24:48,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 07:24:48,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 07:24:48,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 07:24:48,336 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 07:24:48,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 07:24:48,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 07:24:48,336 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 07:24:48,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 07:24:48,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 07:24:48,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 07:24:48,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 07:24:48,699 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 07:24:48,700 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 07:24:48,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2021-06-17 07:24:48,701 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2021-06-17 07:24:48,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 07:24:48,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 07:24:48,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 07:24:48,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 07:24:48,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 07:24:48,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 07:24:48,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 07:24:48,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 07:24:48,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 07:24:48,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... [2021-06-17 07:24:48,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 07:24:48,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 07:24:48,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 07:24:48,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 07:24:48,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 07:24:48,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 07:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 07:24:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 07:24:48,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 07:24:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 07:24:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 07:24:48,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 07:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 07:24:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 07:24:48,869 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 07:24:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 07:24:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 07:24:48,870 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 07:24:49,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 07:24:49,047 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 07:24:49,049 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:24:49 BoogieIcfgContainer [2021-06-17 07:24:49,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 07:24:49,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 07:24:49,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 07:24:49,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 07:24:49,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:24:48" (1/2) ... [2021-06-17 07:24:49,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a7bf7a and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 07:24:49, skipping insertion in model container [2021-06-17 07:24:49,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:24:49" (2/2) ... [2021-06-17 07:24:49,055 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2021-06-17 07:24:49,060 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 07:24:49,060 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 07:24:49,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 07:24:49,073 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 07:24:49,139 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 07:24:49,169 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 07:24:49,213 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 07:24:49,213 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 07:24:49,214 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 07:24:49,214 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 07:24:49,214 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 07:24:49,214 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 07:24:49,214 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 07:24:49,214 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 07:24:49,323 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:49,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:49,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1558799945, now seen corresponding path program 1 times [2021-06-17 07:24:49,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:49,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612618365] [2021-06-17 07:24:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:49,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:49,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612618365] [2021-06-17 07:24:49,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612618365] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:24:49,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:24:49,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 07:24:49,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934097698] [2021-06-17 07:24:49,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 07:24:49,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:49,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 07:24:49,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 07:24:49,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:49,568 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:49,571 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:24:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:49,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 07:24:49,671 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:49,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:49,674 INFO L82 PathProgramCache]: Analyzing trace with hash 42228775, now seen corresponding path program 1 times [2021-06-17 07:24:49,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:49,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342848300] [2021-06-17 07:24:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:24:49,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:49,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342848300] [2021-06-17 07:24:49,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342848300] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:24:49,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:24:49,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 07:24:49,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905809393] [2021-06-17 07:24:49,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 07:24:49,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:49,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 07:24:49,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 07:24:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:49,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:49,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:24:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:49,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:49,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 07:24:49,851 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:49,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:49,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1930946427, now seen corresponding path program 1 times [2021-06-17 07:24:49,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:49,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245525517] [2021-06-17 07:24:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:50,326 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-06-17 07:24:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:50,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:50,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245525517] [2021-06-17 07:24:50,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245525517] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:50,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662985627] [2021-06-17 07:24:50,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:50,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 07:24:50,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:50,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:50,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:50,985 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 20 treesize of output 14 [2021-06-17 07:24:50,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:50,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:50,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:50,992 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 27 treesize of output 19 [2021-06-17 07:24:50,997 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:51,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:51,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:51,005 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 25 treesize of output 17 [2021-06-17 07:24:51,010 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:51,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:24:51,021 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 32 treesize of output 22 [2021-06-17 07:24:51,025 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:24:51,075 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-06-17 07:24:51,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 07:24:51,078 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-06-17 07:24:51,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:51,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662985627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:51,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:51,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:24:51,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797198277] [2021-06-17 07:24:51,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 07:24:51,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:51,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 07:24:51,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-17 07:24:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:51,140 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:51,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:24:51,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:51,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:51,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:51,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:51,575 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:51,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1580789603, now seen corresponding path program 2 times [2021-06-17 07:24:51,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:51,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302120861] [2021-06-17 07:24:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:51,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:51,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302120861] [2021-06-17 07:24:51,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302120861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:51,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135270622] [2021-06-17 07:24:51,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:51,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:24:51,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:24:51,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:24:51,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:51,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135270622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:51,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:51,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:24:51,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133713993] [2021-06-17 07:24:51,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:24:51,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:51,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:24:51,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:24:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:51,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:51,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:24:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:52,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 07:24:52,174 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:52,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:52,175 INFO L82 PathProgramCache]: Analyzing trace with hash -339909977, now seen corresponding path program 1 times [2021-06-17 07:24:52,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:52,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431873722] [2021-06-17 07:24:52,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:24:52,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:52,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431873722] [2021-06-17 07:24:52,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431873722] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:52,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675253136] [2021-06-17 07:24:52,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:52,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:24:52,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:24:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:24:52,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675253136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:52,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:24:52,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:24:52,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869282432] [2021-06-17 07:24:52,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 07:24:52,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:24:52,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 07:24:52,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-17 07:24:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:52,481 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:24:52,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:24:52,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:52,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:52,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:52,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:52,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:24:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:24:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:24:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:24:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:24:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:24:52,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:52,849 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:24:52,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:24:52,849 INFO L82 PathProgramCache]: Analyzing trace with hash -700638459, now seen corresponding path program 2 times [2021-06-17 07:24:52,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:24:52,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043020505] [2021-06-17 07:24:52,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:24:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:24:53,601 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-06-17 07:24:53,885 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-06-17 07:24:54,189 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-06-17 07:24:54,421 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-06-17 07:24:54,715 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2021-06-17 07:24:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:24:54,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:24:54,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043020505] [2021-06-17 07:24:54,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043020505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:24:54,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524959616] [2021-06-17 07:24:54,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:24:54,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:24:54,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:24:54,992 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-17 07:24:54,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:25:15,493 WARN L205 SmtUtils]: Spent 19.40 s on a formula simplification that was a NOOP. DAG size: 81 [2021-06-17 07:25:16,952 INFO L446 ElimStorePlain]: Different costs {7=[v_prenex_61, v_prenex_65, v_prenex_73, v_prenex_55], 10=[v_prenex_50, A, v_prenex_71, v_prenex_53, v_prenex_75, v_prenex_63, v_prenex_69, v_prenex_46, v_prenex_57, v_prenex_67, v_prenex_59, v_prenex_48]} [2021-06-17 07:25:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:17,085 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:25:17,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 43 [2021-06-17 07:25:17,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:17,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:17,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:17,190 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-17 07:25:17,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 44 [2021-06-17 07:25:17,193 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:19,723 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-17 07:25:19,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:19,833 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-17 07:25:19,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 57 [2021-06-17 07:25:19,850 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:19,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:19,947 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-17 07:25:19,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 52 [2021-06-17 07:25:19,953 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:24,878 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2021-06-17 07:25:24,880 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.7 percent of original size [2021-06-17 07:25:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:25,000 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:25:25,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 84 [2021-06-17 07:25:25,078 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:25,230 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-06-17 07:25:25,231 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-17 07:25:25,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 77 [2021-06-17 07:25:25,274 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:30,270 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 494 DAG size of output: 425 [2021-06-17 07:25:30,275 INFO L628 ElimStorePlain]: treesize reduction 288, result has 92.3 percent of original size [2021-06-17 07:25:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:30,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:30,414 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-17 07:25:30,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 59 [2021-06-17 07:25:30,431 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:30,533 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-17 07:25:30,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 60 [2021-06-17 07:25:30,543 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:34,951 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2021-06-17 07:25:34,953 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.5 percent of original size [2021-06-17 07:25:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:35,049 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-17 07:25:35,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 76 [2021-06-17 07:25:35,059 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:35,141 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-17 07:25:35,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 106 treesize of output 78 [2021-06-17 07:25:35,152 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:39,544 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-17 07:25:39,546 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.8 percent of original size [2021-06-17 07:25:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:39,635 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-17 07:25:39,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 78 [2021-06-17 07:25:39,652 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:39,751 INFO L354 Elim1Store]: treesize reduction 50, result has 36.7 percent of original size [2021-06-17 07:25:39,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 100 treesize of output 88 [2021-06-17 07:25:39,765 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:43,892 WARN L205 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-17 07:25:43,893 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-17 07:25:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:43,966 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-06-17 07:25:43,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 72 [2021-06-17 07:25:43,971 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:44,077 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-06-17 07:25:44,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 90 [2021-06-17 07:25:44,099 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:48,144 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2021-06-17 07:25:48,146 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-17 07:25:48,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,238 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-17 07:25:48,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 85 [2021-06-17 07:25:48,260 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:48,332 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-17 07:25:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 75 [2021-06-17 07:25:48,339 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:52,202 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 343 DAG size of output: 341 [2021-06-17 07:25:52,204 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.4 percent of original size [2021-06-17 07:25:52,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:52,318 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-17 07:25:52,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 90 [2021-06-17 07:25:52,345 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:52,426 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-17 07:25:52,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 103 treesize of output 80 [2021-06-17 07:25:52,432 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:56,055 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 334 DAG size of output: 326 [2021-06-17 07:25:56,056 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.4 percent of original size [2021-06-17 07:25:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:56,177 INFO L354 Elim1Store]: treesize reduction 14, result has 74.5 percent of original size [2021-06-17 07:25:56,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 105 [2021-06-17 07:25:56,234 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:25:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:25:56,314 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-06-17 07:25:56,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 95 [2021-06-17 07:25:56,335 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:01,547 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 342 DAG size of output: 314 [2021-06-17 07:26:01,548 INFO L628 ElimStorePlain]: treesize reduction 164, result has 93.7 percent of original size [2021-06-17 07:26:01,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:01,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:01,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:01,640 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-17 07:26:01,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 86 [2021-06-17 07:26:01,669 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:01,747 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-17 07:26:01,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 82 [2021-06-17 07:26:01,757 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:04,856 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2021-06-17 07:26:04,858 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-17 07:26:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:04,930 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-17 07:26:04,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 83 [2021-06-17 07:26:04,950 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:05,021 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-17 07:26:05,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 73 [2021-06-17 07:26:05,026 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:08,037 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-17 07:26:08,038 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-17 07:26:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:08,163 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-17 07:26:08,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 97 [2021-06-17 07:26:08,218 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:08,280 INFO L354 Elim1Store]: treesize reduction 66, result has 16.5 percent of original size [2021-06-17 07:26:08,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 65 [2021-06-17 07:26:08,284 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:11,110 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2021-06-17 07:26:11,111 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-06-17 07:26:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,212 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-17 07:26:11,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 90 [2021-06-17 07:26:11,227 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:11,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:11,279 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-17 07:26:11,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 74 [2021-06-17 07:26:11,283 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:13,915 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2021-06-17 07:26:13,916 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-17 07:26:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:13,993 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-17 07:26:13,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 76 [2021-06-17 07:26:14,012 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:14,069 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-17 07:26:14,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 70 [2021-06-17 07:26:14,073 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:16,689 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2021-06-17 07:26:16,690 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-17 07:26:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:16,748 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-17 07:26:16,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 86 [2021-06-17 07:26:16,765 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:16,811 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-06-17 07:26:16,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 138 treesize of output 82 [2021-06-17 07:26:16,814 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:19,035 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2021-06-17 07:26:19,036 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.5 percent of original size [2021-06-17 07:26:19,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-17 07:26:19,234 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:3613, output treesize:1742 [2021-06-17 07:26:19,665 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-06-17 07:26:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:19,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524959616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:19,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:26:19,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-17 07:26:19,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174172347] [2021-06-17 07:26:19,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 07:26:19,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:26:19,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 07:26:19,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-06-17 07:26:19,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:19,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:26:19,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:26:19,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:26:19,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:19,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:19,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:19,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:19,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:20,115 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-17 07:26:20,486 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-17 07:26:20,955 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-17 07:26:21,224 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-17 07:26:21,854 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-17 07:26:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:26:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:26:22,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-17 07:26:22,230 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:26:22,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:26:22,232 INFO L82 PathProgramCache]: Analyzing trace with hash 531641315, now seen corresponding path program 3 times [2021-06-17 07:26:22,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:26:22,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629722341] [2021-06-17 07:26:22,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:26:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:26:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:22,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:26:22,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629722341] [2021-06-17 07:26:22,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629722341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:22,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88009130] [2021-06-17 07:26:22,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:26:22,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 07:26:22,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:26:22,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:26:22,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:26:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:22,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88009130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:22,578 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:26:22,578 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-17 07:26:22,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163681690] [2021-06-17 07:26:22,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 07:26:22,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:26:22,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 07:26:22,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-17 07:26:22,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:22,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:26:22,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:26:22,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:26:22,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:22,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:22,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:22,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:22,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:26:22,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:26:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:26:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:23,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:26:23,142 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:26:23,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:26:23,143 INFO L82 PathProgramCache]: Analyzing trace with hash -553752793, now seen corresponding path program 4 times [2021-06-17 07:26:23,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:26:23,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873654310] [2021-06-17 07:26:23,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:26:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:26:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:26:23,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:26:23,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873654310] [2021-06-17 07:26:23,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873654310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:23,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369675900] [2021-06-17 07:26:23,275 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:26:23,322 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:26:23,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:26:23,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:26:23,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:26:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:26:23,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369675900] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:23,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:26:23,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-17 07:26:23,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594790704] [2021-06-17 07:26:23,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 07:26:23,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:26:23,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 07:26:23,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-17 07:26:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:23,487 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:26:23,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:26:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:26:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:23,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:23,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:23,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:23,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:26:23,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:23,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:26:23,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:26:23,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:26:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:26:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:26:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:26:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:26:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:26:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:26:23,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:26:23,863 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:26:23,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:26:23,863 INFO L82 PathProgramCache]: Analyzing trace with hash 2070339973, now seen corresponding path program 5 times [2021-06-17 07:26:23,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:26:23,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291090107] [2021-06-17 07:26:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:26:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:26:24,944 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2021-06-17 07:26:25,095 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2021-06-17 07:26:25,538 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2021-06-17 07:26:25,867 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-06-17 07:26:26,665 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 112 [2021-06-17 07:26:27,060 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 243 [2021-06-17 07:26:28,074 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 134 [2021-06-17 07:26:28,390 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 237 [2021-06-17 07:26:29,428 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 128 [2021-06-17 07:26:29,828 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-17 07:26:30,400 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2021-06-17 07:26:30,510 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2021-06-17 07:26:30,768 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-06-17 07:26:30,967 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-06-17 07:26:31,167 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-06-17 07:26:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:26:31,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:26:31,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291090107] [2021-06-17 07:26:31,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291090107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:26:31,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351972836] [2021-06-17 07:26:31,363 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:26:31,423 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 07:26:31,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:26:31,425 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-17 07:26:31,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:26:34,002 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 134 [2021-06-17 07:26:35,958 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 342 [2021-06-17 07:26:38,675 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 343 [2021-06-17 07:26:41,208 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-17 07:26:43,387 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 346 [2021-06-17 07:26:45,212 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 345 [2021-06-17 07:26:46,613 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-17 07:26:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:48,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 43 [2021-06-17 07:26:48,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:48,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:48,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:48,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2021-06-17 07:26:48,502 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:57,204 WARN L205 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 835 DAG size of output: 742 [2021-06-17 07:26:57,206 INFO L628 ElimStorePlain]: treesize reduction 1890, result has 57.6 percent of original size [2021-06-17 07:26:57,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:57,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-06-17 07:26:57,255 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 07:26:59,884 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-17 07:26:59,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:26:59,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:59,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:59,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:26:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:26:59,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-17 07:26:59,928 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:02,598 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 715 [2021-06-17 07:27:02,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:02,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:02,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2021-06-17 07:27:02,652 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:05,000 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 698 [2021-06-17 07:27:05,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:05,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:05,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:05,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:05,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-06-17 07:27:05,065 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:07,585 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-17 07:27:07,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:07,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:07,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-06-17 07:27:07,628 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:09,967 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 668 [2021-06-17 07:27:09,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:09,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:09,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:10,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 38 [2021-06-17 07:27:10,033 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:10,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:10,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2021-06-17 07:27:10,086 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:12,267 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-17 07:27:12,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:12,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:12,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:12,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:12,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-06-17 07:27:12,317 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:14,296 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 632 [2021-06-17 07:27:14,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:14,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-17 07:27:14,330 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:16,388 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-17 07:27:16,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:16,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:16,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-06-17 07:27:16,427 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:18,508 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-17 07:27:18,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:18,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:18,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-17 07:27:18,558 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:20,468 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 586 [2021-06-17 07:27:20,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:20,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:20,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:20,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-17 07:27:20,507 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:22,406 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 572 [2021-06-17 07:27:22,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:22,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:22,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:22,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:22,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-17 07:27:22,444 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:24,477 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 556 [2021-06-17 07:27:24,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:24,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:24,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:24,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:24,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:24,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-06-17 07:27:24,536 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:26,390 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 540 [2021-06-17 07:27:26,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:26,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:26,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:26,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:26,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-06-17 07:27:26,425 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:28,241 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 524 [2021-06-17 07:27:28,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:28,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 44 [2021-06-17 07:27:28,294 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:28,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 46 [2021-06-17 07:27:28,326 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:30,056 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-17 07:27:30,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:30,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:30,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:30,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 40 [2021-06-17 07:27:30,086 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:31,723 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 484 [2021-06-17 07:27:31,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:31,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:31,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:31,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:31,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-06-17 07:27:31,754 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:33,228 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 469 [2021-06-17 07:27:33,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:33,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:33,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:33,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:33,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-06-17 07:27:33,256 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:34,810 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-17 07:27:34,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:34,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:34,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:34,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-17 07:27:34,838 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:36,267 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-17 07:27:36,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:36,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:36,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-17 07:27:36,296 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:37,705 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 425 [2021-06-17 07:27:37,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:37,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:37,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:37,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:37,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 34 [2021-06-17 07:27:37,735 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:39,233 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 408 [2021-06-17 07:27:39,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:39,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:39,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:39,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:39,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:39,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-17 07:27:39,263 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:40,624 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-17 07:27:40,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:40,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:40,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-17 07:27:40,665 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:40,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:40,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-06-17 07:27:40,691 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:41,861 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-17 07:27:41,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:41,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:41,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:41,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:41,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:41,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:41,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-17 07:27:41,894 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:43,077 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 357 [2021-06-17 07:27:43,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:43,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-06-17 07:27:43,117 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:43,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:43,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-17 07:27:43,140 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:44,233 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 337 [2021-06-17 07:27:44,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:44,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-17 07:27:44,257 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:45,332 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 323 [2021-06-17 07:27:45,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:45,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:45,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-17 07:27:45,364 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:46,263 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-06-17 07:27:46,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:46,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:46,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-06-17 07:27:46,303 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:46,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:46,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:46,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 34 [2021-06-17 07:27:46,326 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:47,222 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2021-06-17 07:27:47,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:47,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:47,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:47,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:47,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:47,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-17 07:27:47,245 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:48,133 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-17 07:27:48,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:48,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:48,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-17 07:27:48,182 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:48,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:48,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-17 07:27:48,210 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:48,958 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-17 07:27:48,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:48,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:48,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:48,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-06-17 07:27:48,994 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:49,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:27:49,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:49,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:49,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:49,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:27:49,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2021-06-17 07:27:49,016 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-17 07:27:49,639 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-17 07:27:49,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:27:49,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-17 07:27:49,676 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4571, output treesize:175 [2021-06-17 07:27:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:27:49,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351972836] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:27:49,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:27:49,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-17 07:27:49,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589873555] [2021-06-17 07:27:49,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-17 07:27:49,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:27:49,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-17 07:27:49,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-17 07:27:49,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:27:49,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:27:49,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:27:49,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:27:49,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:27:49,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:27:49,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:27:49,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:27:49,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:27:49,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:27:49,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:27:49,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:27:50,270 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2021-06-17 07:27:50,766 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 69 [2021-06-17 07:27:51,247 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 77 [2021-06-17 07:27:51,573 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 70 [2021-06-17 07:27:52,012 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 94 [2021-06-17 07:27:58,588 WARN L205 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-17 07:27:58,883 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-17 07:27:59,308 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:27:59,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:27:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:27:59,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-17 07:27:59,564 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:27:59,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:27:59,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1007081921, now seen corresponding path program 6 times [2021-06-17 07:27:59,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:27:59,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514486034] [2021-06-17 07:27:59,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:27:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:28:01,917 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2021-06-17 07:28:02,451 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 143 [2021-06-17 07:28:02,820 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2021-06-17 07:28:05,189 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 188 DAG size of output: 286 [2021-06-17 07:28:05,946 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2021-06-17 07:30:06,979 WARN L205 SmtUtils]: Spent 2.02 m on a formula simplification. DAG size of input: 384 DAG size of output: 713 [2021-06-17 07:30:07,225 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2021-06-17 07:30:10,452 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 709 DAG size of output: 166 [2021-06-17 07:33:45,344 WARN L205 SmtUtils]: Spent 3.58 m on a formula simplification. DAG size of input: 435 DAG size of output: 486 [2021-06-17 07:33:50,079 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 484 DAG size of output: 282 [2021-06-17 07:37:28,184 WARN L205 SmtUtils]: Spent 3.63 m on a formula simplification. DAG size of input: 438 DAG size of output: 489 [2021-06-17 07:37:32,361 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 487 DAG size of output: 263 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown