/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/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:53:12,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:53:12,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:53:12,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 06:53:12,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 06:53:12,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 06:53:12,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 06:53:12,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 06:53:12,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 06:53:12,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 06:53:12,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 06:53:12,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 06:53:12,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 06:53:12,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 06:53:12,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 06:53:12,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 06:53:12,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 06:53:12,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 06:53:12,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 06:53:12,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 06:53:12,301 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 06:53:12,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:53:12,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:53:12,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:53:12,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:53:12,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:53:12,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:53:12,330 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:53:12,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:53:12,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:53:12,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:53:12,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:53:12,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:53:12,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:53:12,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:53:12,334 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:53:12,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:53:12,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:53:12,334 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:53:12,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:53:12,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:53:12,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:53:12,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:53:12,573 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:53:12,575 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:53:12,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-06-17 06:53:12,576 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-17 06:53:12,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:53:12,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:53:12,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:53:12,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:53:12,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:53:12,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:53:12,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:53:12,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:53:12,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:53:12,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/1) ... [2021-06-17 06:53:12,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:53:12,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:53:12,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:53:12,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:53:12,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (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 06:53:12,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:53:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:53:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:53:12,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:53:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:53:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:53:12,695 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:53:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:53:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:53:12,696 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 06:53:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 06:53:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 06:53:12,696 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 06:53:12,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:53:12,900 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 06:53:12,901 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:53:12 BoogieIcfgContainer [2021-06-17 06:53:12,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:53:12,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:53:12,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:53:12,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:53:12,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:53:12" (1/2) ... [2021-06-17 06:53:12,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7cd705 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:53:12, skipping insertion in model container [2021-06-17 06:53:12,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:53:12" (2/2) ... [2021-06-17 06:53:12,906 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-17 06:53:12,910 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:53:12,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:53:12,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:53:12,911 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:53:12,951 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 06:53:12,982 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 06:53:13,031 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:53:13,031 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:53:13,031 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:53:13,031 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:53:13,031 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:53:13,031 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:53:13,032 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:53:13,032 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:53:13,202 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:13,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:13,206 INFO L82 PathProgramCache]: Analyzing trace with hash 218259668, now seen corresponding path program 1 times [2021-06-17 06:53:13,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:13,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152481388] [2021-06-17 06:53:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:53:13,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:13,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152481388] [2021-06-17 06:53:13,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152481388] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:53:13,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:53:13,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 06:53:13,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935585429] [2021-06-17 06:53:13,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 06:53:13,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:13,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 06:53:13,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 06:53:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:13,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 06:53:13,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:53:13,330 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:13,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:13,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1865741617, now seen corresponding path program 1 times [2021-06-17 06:53:13,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:13,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111098383] [2021-06-17 06:53:13,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:13,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:13,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111098383] [2021-06-17 06:53:13,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111098383] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:53:13,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:53:13,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 06:53:13,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958254297] [2021-06-17 06:53:13,358 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 06:53:13,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:13,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 06:53:13,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-17 06:53:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:13,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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 06:53:13,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:13,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 06:53:13,413 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:13,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:13,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1017952659, now seen corresponding path program 2 times [2021-06-17 06:53:13,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:13,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847148390] [2021-06-17 06:53:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 06:53:13,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:13,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847148390] [2021-06-17 06:53:13,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847148390] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:53:13,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:53:13,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 06:53:13,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316473079] [2021-06-17 06:53:13,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 06:53:13,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:13,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 06:53:13,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 06:53:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,452 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:13,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 06:53:13,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:13,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:13,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 06:53:13,481 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:13,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:13,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1035004528, now seen corresponding path program 1 times [2021-06-17 06:53:13,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:13,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68933956] [2021-06-17 06:53:13,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:13,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:13,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68933956] [2021-06-17 06:53:13,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68933956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:13,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224691655] [2021-06-17 06:53:13,563 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 06:53:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:13,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 06:53:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:13,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:53:13,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:13,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:13,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:13,777 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-06-17 06:53:13,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-17 06:53:13,808 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:13,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:13,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-17 06:53:13,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:13,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:13,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:13,823 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-06-17 06:53:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:13,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224691655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:13,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:13,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-17 06:53:13,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85537690] [2021-06-17 06:53:13,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 06:53:13,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:13,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 06:53:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-17 06:53:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:13,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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 06:53:13,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:13,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:14,145 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:14,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:14,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1533566290, now seen corresponding path program 2 times [2021-06-17 06:53:14,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:14,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732693916] [2021-06-17 06:53:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:53:14,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:14,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732693916] [2021-06-17 06:53:14,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732693916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:14,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57197287] [2021-06-17 06:53:14,182 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 06:53:14,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:53:14,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:14,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 06:53:14,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:53:14,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57197287] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:14,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:14,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 5 [2021-06-17 06:53:14,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115056630] [2021-06-17 06:53:14,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 06:53:14,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:14,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 06:53:14,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-17 06:53:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:14,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:14,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 06:53:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:14,527 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:14,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash 231487983, now seen corresponding path program 3 times [2021-06-17 06:53:14,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:14,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361018327] [2021-06-17 06:53:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 06:53:14,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:14,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361018327] [2021-06-17 06:53:14,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361018327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:14,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958528032] [2021-06-17 06:53:14,586 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 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 06:53:14,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:53:14,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:14,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 06:53:14,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:14,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-06-17 06:53:14,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:14,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:14,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:14,698 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-06-17 06:53:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 06:53:14,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958528032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:14,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:14,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-06-17 06:53:14,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88365060] [2021-06-17 06:53:14,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 06:53:14,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:14,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 06:53:14,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-17 06:53:14,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:14,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:14,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 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 06:53:14,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:14,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:14,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:15,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:15,113 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:15,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:15,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2015419596, now seen corresponding path program 4 times [2021-06-17 06:53:15,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:15,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224886405] [2021-06-17 06:53:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:15,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:15,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224886405] [2021-06-17 06:53:15,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224886405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:15,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975295530] [2021-06-17 06:53:15,276 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 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 06:53:15,338 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:53:15,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:15,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 06:53:15,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:15,464 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-17 06:53:15,465 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-06-17 06:53:15,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:15,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:15,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:15,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:17 [2021-06-17 06:53:15,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-17 06:53:15,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:15,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:15,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:15,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2021-06-17 06:53:15,752 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:15,752 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-06-17 06:53:15,772 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:15,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:15,786 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:15,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-06-17 06:53:15,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:15,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:15,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:15,794 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-06-17 06:53:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:15,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975295530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:15,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:15,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 14 [2021-06-17 06:53:15,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637698248] [2021-06-17 06:53:15,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 06:53:15,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:15,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 06:53:15,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-06-17 06:53:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:15,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:15,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 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 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:15,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:16,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-17 06:53:16,114 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:16,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:16,115 INFO L82 PathProgramCache]: Analyzing trace with hash -457045266, now seen corresponding path program 5 times [2021-06-17 06:53:16,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:16,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415703112] [2021-06-17 06:53:16,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:53:16,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:16,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415703112] [2021-06-17 06:53:16,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415703112] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:16,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008850915] [2021-06-17 06:53:16,165 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 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 06:53:16,200 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:53:16,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:16,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 06:53:16,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:53:16,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008850915] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:16,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:16,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 7 [2021-06-17 06:53:16,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35743407] [2021-06-17 06:53:16,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:53:16,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:16,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:53:16,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:53:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:16,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:16,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:16,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:16,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:16,489 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:16,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:16,489 INFO L82 PathProgramCache]: Analyzing trace with hash 289703755, now seen corresponding path program 6 times [2021-06-17 06:53:16,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:16,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144053616] [2021-06-17 06:53:16,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-17 06:53:16,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:16,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144053616] [2021-06-17 06:53:16,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144053616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:16,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604286369] [2021-06-17 06:53:16,583 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 06:53:16,628 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 06:53:16,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:16,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 06:53:16,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:16,748 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:16,749 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2021-06-17 06:53:16,752 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:16,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:16,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:16,754 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-06-17 06:53:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-17 06:53:16,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604286369] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:16,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:16,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-06-17 06:53:16,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444993867] [2021-06-17 06:53:16,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 06:53:16,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 06:53:16,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-17 06:53:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:16,769 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:16,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 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 06:53:16,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:16,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:16,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:16,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:16,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:16,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:17,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:17,393 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:17,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:17,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1102781480, now seen corresponding path program 7 times [2021-06-17 06:53:17,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:17,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926767710] [2021-06-17 06:53:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:17,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:17,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926767710] [2021-06-17 06:53:17,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926767710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:17,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703723840] [2021-06-17 06:53:17,611 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 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 06:53:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:17,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-17 06:53:17,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:17,789 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-17 06:53:17,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 37 [2021-06-17 06:53:17,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:17,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:17,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:17,792 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2021-06-17 06:53:17,925 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:17,925 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2021-06-17 06:53:17,935 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:17,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:17,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:17,953 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2021-06-17 06:53:18,146 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:18,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2021-06-17 06:53:18,192 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:18,199 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:18,199 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-06-17 06:53:18,206 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:18,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:18,241 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:18,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-06-17 06:53:18,251 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:18,276 INFO L354 Elim1Store]: treesize reduction 4, result has 89.2 percent of original size [2021-06-17 06:53:18,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-06-17 06:53:18,286 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:18,320 INFO L628 ElimStorePlain]: treesize reduction 13, result has 64.9 percent of original size [2021-06-17 06:53:18,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:18,323 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:91, output treesize:3 [2021-06-17 06:53:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:18,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703723840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:18,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:18,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-06-17 06:53:18,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701133830] [2021-06-17 06:53:18,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-17 06:53:18,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:18,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-17 06:53:18,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-17 06:53:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:18,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:18,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 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 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:18,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-17 06:53:18,756 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:18,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1647027594, now seen corresponding path program 8 times [2021-06-17 06:53:18,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:18,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69044098] [2021-06-17 06:53:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-17 06:53:18,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:18,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69044098] [2021-06-17 06:53:18,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69044098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:18,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396033744] [2021-06-17 06:53:18,838 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:18,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:53:18,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:18,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 06:53:18,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-17 06:53:18,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396033744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:18,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:18,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2021-06-17 06:53:18,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859197709] [2021-06-17 06:53:18,944 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 06:53:18,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:18,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 06:53:18,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-06-17 06:53:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:18,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:18,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:19,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-17 06:53:19,185 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:19,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:19,185 INFO L82 PathProgramCache]: Analyzing trace with hash 836243879, now seen corresponding path program 9 times [2021-06-17 06:53:19,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:19,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835540135] [2021-06-17 06:53:19,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-17 06:53:19,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:19,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835540135] [2021-06-17 06:53:19,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835540135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:19,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39098290] [2021-06-17 06:53:19,274 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:19,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 06:53:19,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:19,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 06:53:19,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:19,486 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:19,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-06-17 06:53:19,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:19,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:19,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:19,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-06-17 06:53:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-17 06:53:19,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39098290] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:19,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:19,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-06-17 06:53:19,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703233715] [2021-06-17 06:53:19,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 06:53:19,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:19,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 06:53:19,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-06-17 06:53:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:19,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:19,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 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 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:19,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:20,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-17 06:53:20,181 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:20,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:20,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2122979460, now seen corresponding path program 10 times [2021-06-17 06:53:20,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:20,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022926126] [2021-06-17 06:53:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:20,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:20,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022926126] [2021-06-17 06:53:20,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022926126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:20,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388991825] [2021-06-17 06:53:20,584 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:20,621 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:53:20,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:20,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-17 06:53:20,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:20,830 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-17 06:53:20,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 52 [2021-06-17 06:53:20,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:20,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:20,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:20,834 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:39 [2021-06-17 06:53:21,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:21,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 82 [2021-06-17 06:53:21,194 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:21,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:21,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:21,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:76, output treesize:73 [2021-06-17 06:53:21,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:21,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-17 06:53:21,927 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:21,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-17 06:53:21,933 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:21,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:21,941 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-17 06:53:21,947 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:21,957 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:21,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-17 06:53:21,965 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:21,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:21,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 63 [2021-06-17 06:53:22,053 INFO L550 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:22,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:22,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:22,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 76 [2021-06-17 06:53:22,159 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:22,175 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-06-17 06:53:22,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-06-17 06:53:22,177 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:22,186 INFO L354 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2021-06-17 06:53:22,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-06-17 06:53:22,187 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:22,233 INFO L354 Elim1Store]: treesize reduction 12, result has 80.3 percent of original size [2021-06-17 06:53:22,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 64 [2021-06-17 06:53:22,263 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:22,312 INFO L354 Elim1Store]: treesize reduction 4, result has 94.2 percent of original size [2021-06-17 06:53:22,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 80 [2021-06-17 06:53:22,340 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:22,366 INFO L628 ElimStorePlain]: treesize reduction 77, result has 23.8 percent of original size [2021-06-17 06:53:22,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:22,368 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:308, output treesize:3 [2021-06-17 06:53:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:22,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388991825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:22,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:22,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 30 [2021-06-17 06:53:22,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206194464] [2021-06-17 06:53:22,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:53:22,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:22,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:53:22,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:53:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:22,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:22,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4838709677419355) internal successors, (77), 30 states have internal predecessors, (77), 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 06:53:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:22,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:22,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-06-17 06:53:22,920 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:22,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:22,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1902353702, now seen corresponding path program 11 times [2021-06-17 06:53:22,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:22,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738724246] [2021-06-17 06:53:22,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-17 06:53:22,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:22,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738724246] [2021-06-17 06:53:22,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738724246] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:22,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910753389] [2021-06-17 06:53:22,985 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:23,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 06:53:23,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:23,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 06:53:23,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-17 06:53:23,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910753389] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:23,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:23,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 11 [2021-06-17 06:53:23,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410532496] [2021-06-17 06:53:23,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 06:53:23,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:23,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 06:53:23,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-06-17 06:53:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:23,140 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:23,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:23,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:23,389 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:23,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:23,389 INFO L82 PathProgramCache]: Analyzing trace with hash -211728125, now seen corresponding path program 12 times [2021-06-17 06:53:23,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:23,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077182353] [2021-06-17 06:53:23,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-17 06:53:23,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:23,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077182353] [2021-06-17 06:53:23,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077182353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:23,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044313715] [2021-06-17 06:53:23,524 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:23,567 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 06:53:23,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:23,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 06:53:23,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:23,774 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:23,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-06-17 06:53:23,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:23,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:23,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:23,795 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-06-17 06:53:23,802 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-17 06:53:23,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044313715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:23,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:23,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-06-17 06:53:23,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47679060] [2021-06-17 06:53:23,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 06:53:23,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:23,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 06:53:23,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-06-17 06:53:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:23,804 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:23,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 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 06:53:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:23,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:24,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:24,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable197 [2021-06-17 06:53:24,629 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:24,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:24,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1605386720, now seen corresponding path program 13 times [2021-06-17 06:53:24,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:24,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133909240] [2021-06-17 06:53:24,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:25,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:25,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133909240] [2021-06-17 06:53:25,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133909240] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:25,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151104901] [2021-06-17 06:53:25,153 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:25,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-17 06:53:25,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:25,470 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-17 06:53:25,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 69 [2021-06-17 06:53:25,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:25,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:25,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:25,474 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:53 [2021-06-17 06:53:26,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:26,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 121 [2021-06-17 06:53:26,303 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:26,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:26,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:26,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2021-06-17 06:53:27,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-17 06:53:28,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-17 06:53:30,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-17 06:53:30,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-17 06:53:30,085 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,096 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-17 06:53:30,103 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-17 06:53:30,124 INFO L550 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,154 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 79 [2021-06-17 06:53:30,314 INFO L550 ElimStorePlain]: Start of recursive call 5: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,326 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,326 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-17 06:53:30,332 INFO L550 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,347 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-17 06:53:30,354 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-17 06:53:30,379 INFO L550 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,399 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-17 06:53:30,406 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-17 06:53:30,417 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:30,525 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-17 06:53:30,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,576 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 127 [2021-06-17 06:53:30,717 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:30,774 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:30,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 131 [2021-06-17 06:53:31,006 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,061 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:31,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 115 [2021-06-17 06:53:31,128 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,139 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-06-17 06:53:31,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-17 06:53:31,141 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,241 INFO L354 Elim1Store]: treesize reduction 4, result has 96.7 percent of original size [2021-06-17 06:53:31,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 135 [2021-06-17 06:53:31,854 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,867 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-17 06:53:31,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-17 06:53:31,869 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,880 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-17 06:53:31,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-17 06:53:31,882 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,892 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-17 06:53:31,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-17 06:53:31,894 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,904 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-17 06:53:31,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-17 06:53:31,906 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,971 INFO L628 ElimStorePlain]: treesize reduction 175, result has 24.9 percent of original size [2021-06-17 06:53:31,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:31,973 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:720, output treesize:3 [2021-06-17 06:53:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:31,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151104901] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:31,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:31,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-06-17 06:53:31,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253045153] [2021-06-17 06:53:31,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-17 06:53:31,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:31,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-17 06:53:31,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-06-17 06:53:31,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:31,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:31,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 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 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:32,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:32,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:32,825 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:32,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:32,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1329619394, now seen corresponding path program 14 times [2021-06-17 06:53:32,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:32,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644217679] [2021-06-17 06:53:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-17 06:53:32,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:32,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644217679] [2021-06-17 06:53:32,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644217679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:32,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105989757] [2021-06-17 06:53:32,903 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:32,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:53:32,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:32,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-17 06:53:32,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-17 06:53:33,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105989757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:33,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:33,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 13 [2021-06-17 06:53:33,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111518940] [2021-06-17 06:53:33,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 06:53:33,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:33,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 06:53:33,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-06-17 06:53:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:33,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:33,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 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 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:53:33,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1403 [2021-06-17 06:53:33,281 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:33,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:33,281 INFO L82 PathProgramCache]: Analyzing trace with hash -2049794721, now seen corresponding path program 15 times [2021-06-17 06:53:33,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:33,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248665258] [2021-06-17 06:53:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-17 06:53:33,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:33,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248665258] [2021-06-17 06:53:33,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248665258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:33,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288648972] [2021-06-17 06:53:33,418 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:33,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-17 06:53:33,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:33,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:53:33,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:33,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:33,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2021-06-17 06:53:33,791 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:33,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:33,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:33,793 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-06-17 06:53:33,801 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-17 06:53:33,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288648972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:33,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:53:33,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-06-17 06:53:33,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484317676] [2021-06-17 06:53:33,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-17 06:53:33,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:53:33,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-17 06:53:33,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-06-17 06:53:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:33,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:53:33,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 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 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:33,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:53:33,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:53:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:53:34,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1404,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:34,651 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:53:34,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:53:34,652 INFO L82 PathProgramCache]: Analyzing trace with hash -160954308, now seen corresponding path program 16 times [2021-06-17 06:53:34,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:53:34,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884749234] [2021-06-17 06:53:34,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:53:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:53:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:53:35,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:53:35,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884749234] [2021-06-17 06:53:35,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884749234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:53:35,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21480624] [2021-06-17 06:53:35,374 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:53:35,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:53:35,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:53:35,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-17 06:53:35,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:53:35,803 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-17 06:53:35,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 88 [2021-06-17 06:53:35,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:35,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:35,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:53:35,807 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:69 [2021-06-17 06:53:36,760 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:36,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 168 [2021-06-17 06:53:37,978 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:38,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:39,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:39,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:153 [2021-06-17 06:53:44,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-17 06:53:47,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-17 06:53:51,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-17 06:53:51,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-17 06:53:51,142 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,152 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,152 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,156 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,169 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,175 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-17 06:53:51,183 INFO L550 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,203 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-17 06:53:51,216 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,254 INFO L550 ElimStorePlain]: Start of recursive call 8: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,286 INFO L550 ElimStorePlain]: Start of recursive call 9: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,305 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,313 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-17 06:53:51,327 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,353 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,361 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,407 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,407 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 95 [2021-06-17 06:53:51,788 INFO L550 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,820 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,827 INFO L550 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,853 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,860 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:51,880 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:51,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-17 06:53:51,887 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:53:52,119 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-17 06:53:52,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:52,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:53:52,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 162 [2021-06-17 06:53:52,550 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:52,570 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-17 06:53:52,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:53:52,572 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:52,591 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-17 06:53:52,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:53:52,593 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:52,625 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-17 06:53:52,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:53:52,627 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:52,645 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-17 06:53:52,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:53:52,647 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-17 06:53:52,808 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-17 06:53:52,809 INFO L354 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2021-06-17 06:53:52,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 198 [2021-06-17 06:53:53,082 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 193 [2021-06-17 06:53:53,477 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 263 [2021-06-17 06:53:53,781 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 354 [2021-06-17 06:53:54,087 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 354 [2021-06-17 06:53:54,430 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 363 [2021-06-17 06:53:54,812 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 503 [2021-06-17 06:53:55,042 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 328 [2021-06-17 06:53:55,271 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 362 [2021-06-17 06:53:55,705 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 275 [2021-06-17 06:53:56,339 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 275 [2021-06-17 06:53:56,651 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 413 [2021-06-17 06:53:57,576 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 342 [2021-06-17 06:53:58,198 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 566 [2021-06-17 06:53:58,500 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 401 [2021-06-17 06:53:59,517 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 309 [2021-06-17 06:53:59,824 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 433 [2021-06-17 06:54:00,373 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 364 [2021-06-17 06:54:00,993 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 484 [2021-06-17 06:54:01,717 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 829 DAG size of output: 720 [2021-06-17 06:54:02,016 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 405 [2021-06-17 06:54:02,997 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 309 [2021-06-17 06:54:03,326 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 444 [2021-06-17 06:54:03,875 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 364 [2021-06-17 06:54:04,482 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 497 [2021-06-17 06:54:05,206 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 850 DAG size of output: 742 [2021-06-17 06:54:07,714 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1389 DAG size of output: 1316 [2021-06-17 06:54:10,215 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1389 DAG size of output: 1316 [2021-06-17 06:54:12,936 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1397 DAG size of output: 1324 [2021-06-17 06:54:13,325 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 1331 DAG size of output: 1332 [2021-06-17 06:54:13,805 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 509 [2021-06-17 06:54:14,907 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 204 [2021-06-17 06:54:15,982 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 169 [2021-06-17 06:54:16,447 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 314 [2021-06-17 06:54:16,561 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 685 [2021-06-17 06:54:16,747 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 424 [2021-06-17 06:54:18,190 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 288 [2021-06-17 06:54:19,057 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 549 [2021-06-17 06:54:20,128 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 133 [2021-06-17 06:54:20,573 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 514 [2021-06-17 06:54:21,400 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 297 [2021-06-17 06:54:21,961 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 270 [2021-06-17 06:54:22,731 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 656 [2021-06-17 06:54:23,958 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 415 [2021-06-17 06:54:24,145 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 319 [2021-06-17 06:54:25,062 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 181 [2021-06-17 06:54:26,406 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 754 DAG size of output: 1066 [2021-06-17 06:54:26,595 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 336 [2021-06-17 06:54:28,678 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 253 [2021-06-17 06:54:28,987 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 486 [2021-06-17 06:54:30,469 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 87 [2021-06-17 06:54:30,990 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 1570 DAG size of output: 376 [2021-06-17 06:54:33,281 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 437 [2021-06-17 06:54:34,678 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 88 [2021-06-17 06:54:35,384 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 358 [2021-06-17 06:54:36,405 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2393 DAG size of output: 718 [2021-06-17 06:54:39,565 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 4134 DAG size of output: 1691 [2021-06-17 06:54:42,713 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 4134 DAG size of output: 1691 [2021-06-17 06:54:45,704 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 4146 DAG size of output: 1707 [2021-06-17 06:54:46,109 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 654 [2021-06-17 06:54:47,070 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 222 [2021-06-17 06:54:47,794 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 1015 [2021-06-17 06:54:48,892 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 57 [2021-06-17 06:54:48,897 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:48,930 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-17 06:54:48,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:48,933 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:48,951 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-17 06:54:48,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:48,953 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:48,973 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-17 06:54:48,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:48,975 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:48,993 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-17 06:54:48,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:48,995 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,010 INFO L354 Elim1Store]: treesize reduction 140, result has 0.7 percent of original size [2021-06-17 06:54:49,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:49,012 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,036 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-17 06:54:49,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:49,038 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,051 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-17 06:54:49,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:49,053 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,068 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-17 06:54:49,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:49,070 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,082 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-17 06:54:49,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-17 06:54:49,085 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,166 INFO L628 ElimStorePlain]: treesize reduction 430, result has 12.8 percent of original size [2021-06-17 06:54:49,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:54:49,169 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 9 variables, input treesize:1498, output treesize:3 [2021-06-17 06:54:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:54:49,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21480624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:54:49,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:54:49,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 46 [2021-06-17 06:54:49,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577012346] [2021-06-17 06:54:49,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-17 06:54:49,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:54:49,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-17 06:54:49,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2032, Unknown=0, NotChecked=0, Total=2162 [2021-06-17 06:54:49,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:54:49,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:54:49,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.3191489361702127) internal successors, (109), 46 states have internal predecessors, (109), 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 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:54:49,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:54:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:50,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1432 [2021-06-17 06:54:50,263 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:54:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:54:50,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1431280802, now seen corresponding path program 17 times [2021-06-17 06:54:50,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:54:50,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676819548] [2021-06-17 06:54:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:54:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:54:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-17 06:54:50,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:54:50,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676819548] [2021-06-17 06:54:50,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676819548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:54:50,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950105383] [2021-06-17 06:54:50,358 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:54:50,403 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-17 06:54:50,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:54:50,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 06:54:50,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:54:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-17 06:54:50,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950105383] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:54:50,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:54:50,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 15 [2021-06-17 06:54:50,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709101070] [2021-06-17 06:54:50,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 06:54:50,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:54:50,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 06:54:50,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2021-06-17 06:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:54:50,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:54:50,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:54:50,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:50,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:54:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:54:50,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:50,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:54:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:54:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:54:50,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14238 [2021-06-17 06:54:50,737 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:54:50,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:54:50,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1479966395, now seen corresponding path program 18 times [2021-06-17 06:54:50,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:54:50,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103532728] [2021-06-17 06:54:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:54:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:54:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-17 06:54:50,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:54:50,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103532728] [2021-06-17 06:54:50,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103532728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:54:50,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621064931] [2021-06-17 06:54:50,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:54:50,949 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 06:54:50,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:54:50,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-17 06:54:50,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:54:55,373 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:54:55,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2021-06-17 06:54:55,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:54:55,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:54:55,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:54:55,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-06-17 06:54:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-17 06:54:55,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621064931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:54:55,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:54:55,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-06-17 06:54:55,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258245160] [2021-06-17 06:54:55,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 06:54:55,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:54:55,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 06:54:55,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=590, Unknown=2, NotChecked=0, Total=650 [2021-06-17 06:54:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:54:55,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:54:55,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 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 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:55,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:54:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:54:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:54:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:54:58,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:54:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:54:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:54:59,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14239 [2021-06-17 06:54:59,145 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:54:59,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:54:59,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1191435160, now seen corresponding path program 19 times [2021-06-17 06:54:59,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:54:59,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866226934] [2021-06-17 06:54:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:54:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:55:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:55:00,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:55:00,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866226934] [2021-06-17 06:55:00,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866226934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:55:00,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649955266] [2021-06-17 06:55:00,145 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:55:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:55:00,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-06-17 06:55:00,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:55:00,714 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-17 06:55:00,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 161 treesize of output 109 [2021-06-17 06:55:00,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:55:00,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:00,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:55:00,717 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:87 [2021-06-17 06:55:02,491 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:02,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 223 [2021-06-17 06:55:05,324 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:05,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:10,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:10,839 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:172, output treesize:205 [2021-06-17 06:55:23,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-17 06:55:40,224 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-17 06:55:42,707 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse1 (select c_produce c_state21))) (let ((.cse0 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) .cse1)) (select c_produce v_arrayElimIndex_161)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= c_state21 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (= c_state12 (select (select c_consume .cse0) .cse1)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (= c_state22 .cse0))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse3 (select c_produce c_state21))) (let ((.cse2 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse3)) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= v_arrayElimIndex_159 v_state21_42)) (not (= c_state21 v_arrayElimIndex_158)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_157 v_state21_42)) (= c_state22 .cse2) (not (= c_state21 v_arrayElimIndex_157)) (= c_state12 (select (select c_consume .cse2) .cse3)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse5 (select c_produce c_state21))) (let ((.cse4 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse5)) .cse5)) .cse5))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state22 .cse4) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse4) .cse5)))))) (exists ((v_state22_26 Int) (v_state21_42 Int)) (let ((.cse7 (select c_produce c_state21))) (let ((.cse6 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse7)) .cse7)) .cse7)) .cse7)) .cse7))) (and (= c_state22 .cse6) (= c_state12 (select (select c_consume .cse6) .cse7)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse9 (select c_produce c_state21))) (let ((.cse8 (let ((.cse11 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (let ((.cse10 (select c_produce v_arrayElimIndex_160))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse10)) .cse11)) .cse9)) .cse10))) .cse11)))) (and (not (= c_state21 v_arrayElimIndex_160)) (= c_state22 .cse8) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state12 (select (select c_consume .cse8) .cse9)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse13 (select c_produce c_state21))) (let ((.cse12 (let ((.cse14 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse13)) .cse14)) .cse13)) .cse14)))) (and (not (= c_state21 v_arrayElimIndex_160)) (= c_state12 (select (select c_consume .cse12) .cse13)) (= c_state22 .cse12) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse16 (select c_produce c_state21))) (let ((.cse15 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) .cse16)) .cse16))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= c_state21 v_arrayElimIndex_158)) (= (select (select c_consume .cse15) .cse16) c_state12) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state22 .cse15))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse18 (select c_produce c_state21))) (let ((.cse17 (let ((.cse19 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse19)) .cse18)) (select c_produce v_arrayElimIndex_159))) .cse19)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (= c_state12 (select (select c_consume .cse17) .cse18)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_159)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (= c_state22 .cse17))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse21 (select c_produce c_state21))) (let ((.cse20 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse21)) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (= c_state22 .cse20) (not (= c_state21 v_arrayElimIndex_158)) (= c_state12 (select (select c_consume .cse20) .cse21)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158)))))) (exists ((v_state22_26 Int) (v_state21_42 Int)) (let ((.cse23 (select c_produce c_state21))) (let ((.cse22 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse23)) .cse23)) .cse23)) .cse23)) .cse23))) (and (not (= c_state21 v_state21_42)) (= c_state22 .cse22) (= c_state12 (select (select c_consume .cse22) .cse23)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse25 (select c_produce c_state21))) (let ((.cse24 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse25)) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state12 (select (select c_consume .cse24) .cse25)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= c_state21 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state22 .cse24) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse27 (select c_produce c_state21))) (let ((.cse26 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse27)) .cse27)) .cse27))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state22 .cse26) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse26) .cse27)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse29 (select c_produce c_state21))) (let ((.cse28 (let ((.cse30 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) .cse30)) .cse29)) .cse30)))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= c_state12 (select (select c_consume .cse28) .cse29)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (= c_state22 .cse28) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse31 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) (select c_produce v_arrayElimIndex_161)))) (and (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state12 (select (select c_consume .cse31) (select c_produce c_state21))) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (= c_state22 .cse31) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse33 (select c_produce c_state21))) (let ((.cse32 (let ((.cse34 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse33)) .cse34)) .cse33)) .cse34)))) (and (not (= c_state21 v_arrayElimIndex_160)) (= c_state12 (select (select c_consume .cse32) .cse33)) (= c_state22 .cse32) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse36 (select c_produce c_state21))) (let ((.cse35 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) .cse36)) .cse36))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (= (select (select c_consume .cse35) .cse36) c_state12) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state22 .cse35))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse38 (select c_produce c_state21))) (let ((.cse37 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse38)) .cse38)) .cse38)) .cse38))) (and (not (= c_state21 v_state21_42)) (= c_state22 .cse37) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse37) .cse38)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse40 (select c_produce c_state21))) (let ((.cse39 (let ((.cse41 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse41)) .cse40)) .cse41)) .cse40)) .cse41)))) (and (= c_state22 .cse39) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state12 (select (select c_consume .cse39) .cse40)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse43 (select c_produce c_state21))) (let ((.cse42 (let ((.cse44 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse44)) .cse43)) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) .cse44)))) (and (not (= c_state21 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_158)) (not (= c_state21 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_158 v_state21_42)) (= c_state22 .cse42) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (not (= v_arrayElimIndex_161 v_arrayElimIndex_159)) (= c_state12 (select (select c_consume .cse42) .cse43)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse46 (select c_produce c_state21))) (let ((.cse45 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) .cse46)) .cse46)) .cse46)) .cse46))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= c_state21 v_state21_42)) (= c_state22 .cse45) (not (= v_arrayElimIndex_160 v_state21_42)) (= c_state12 (select (select c_consume .cse45) .cse46)))))) (exists ((v_state22_26 Int) (v_arrayElimIndex_161 Int) (v_state21_42 Int)) (let ((.cse48 (select c_produce c_state21))) (let ((.cse47 (let ((.cse49 (select c_produce v_arrayElimIndex_161))) (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) .cse49)) .cse48)) .cse49)) .cse48)) .cse49)))) (and (= c_state22 .cse47) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_161 v_state21_42)) (not (= c_state21 v_arrayElimIndex_161)) (= c_state12 (select (select c_consume .cse47) .cse48)))))) (exists ((v_arrayElimIndex_157 Int) (v_state22_26 Int) (v_arrayElimIndex_158 Int) (v_arrayElimIndex_159 Int) (v_arrayElimIndex_160 Int) (v_state21_42 Int)) (let ((.cse51 (select c_produce c_state21))) (let ((.cse50 (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume (select (select c_consume v_state22_26) (select c_produce v_state21_42))) (select c_produce v_arrayElimIndex_160))) (select c_produce v_arrayElimIndex_157))) (select c_produce v_arrayElimIndex_158))) (select c_produce v_arrayElimIndex_159))) .cse51))) (and (not (= c_state21 v_arrayElimIndex_160)) (not (= v_arrayElimIndex_159 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_157)) (not (= c_state21 v_arrayElimIndex_158)) (not (= v_arrayElimIndex_157 v_state21_42)) (not (= v_arrayElimIndex_160 v_state21_42)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_158)) (= c_state22 .cse50) (= c_state12 (select (select c_consume .cse50) .cse51)) (not (= c_state21 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_160 v_arrayElimIndex_159)) (not (= v_arrayElimIndex_158 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_158 v_state21_42)) (not (= c_state21 v_state21_42)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_157)) (not (= v_arrayElimIndex_159 v_arrayElimIndex_158))))))) is different from true [2021-06-17 06:55:43,296 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_148, v_prenex_128], 3=[v_prenex_108, v_prenex_93, v_prenex_154, v_prenex_114], 6=[v_prenex_61, v_prenex_21, v_prenex_135, v_prenex_55, v_prenex_48], 10=[v_prenex_76, v_prenex_141, v_prenex_36, v_prenex_69, produce], 15=[v_prenex_85, v_prenex_120, v_prenex_100, v_prenex_5, v_prenex_28], 21=[v_prenex_16]} [2021-06-17 06:55:43,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-17 06:55:43,328 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:43,812 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 976 [2021-06-17 06:55:43,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:43,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:43,857 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:43,862 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:44,355 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2021-06-17 06:55:44,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:44,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:44,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:44,407 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:44,899 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 982 [2021-06-17 06:55:44,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:44,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-17 06:55:44,930 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:45,418 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 981 [2021-06-17 06:55:45,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:45,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-17 06:55:45,451 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:45,942 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 980 [2021-06-17 06:55:45,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:45,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:45,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:46,001 INFO L550 ElimStorePlain]: Start of recursive call 7: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:46,503 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2021-06-17 06:55:46,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:46,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-17 06:55:46,533 INFO L550 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:47,020 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 982 [2021-06-17 06:55:47,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:47,066 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:47,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:47,074 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:47,566 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2021-06-17 06:55:47,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:47,615 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:47,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:47,622 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:48,117 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 988 [2021-06-17 06:55:48,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:48,170 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:48,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:48,177 INFO L550 ElimStorePlain]: Start of recursive call 11: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:48,689 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2021-06-17 06:55:48,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:48,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-17 06:55:48,721 INFO L550 ElimStorePlain]: Start of recursive call 12: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:49,227 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 990 [2021-06-17 06:55:49,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:49,259 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 91 treesize of output 63 [2021-06-17 06:55:49,261 INFO L550 ElimStorePlain]: Start of recursive call 13: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:49,756 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2021-06-17 06:55:49,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:49,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:49,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:49,814 INFO L550 ElimStorePlain]: Start of recursive call 14: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:50,319 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 992 [2021-06-17 06:55:50,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:50,377 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:50,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:50,384 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:50,894 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 995 [2021-06-17 06:55:50,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:50,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:50,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:50,960 INFO L550 ElimStorePlain]: Start of recursive call 16: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:51,477 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 998 [2021-06-17 06:55:51,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:51,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:51,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:51,541 INFO L550 ElimStorePlain]: Start of recursive call 17: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:52,083 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1001 [2021-06-17 06:55:52,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:52,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:52,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:52,153 INFO L550 ElimStorePlain]: Start of recursive call 18: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:52,696 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1004 [2021-06-17 06:55:52,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:52,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:52,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:52,759 INFO L550 ElimStorePlain]: Start of recursive call 19: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:53,304 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1007 [2021-06-17 06:55:53,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:53,361 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:53,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:53,371 INFO L550 ElimStorePlain]: Start of recursive call 20: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:53,904 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1010 [2021-06-17 06:55:53,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:53,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:53,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:53,968 INFO L550 ElimStorePlain]: Start of recursive call 21: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:54,499 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2021-06-17 06:55:54,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:54,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:54,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-17 06:55:54,567 INFO L550 ElimStorePlain]: Start of recursive call 22: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:55,098 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2021-06-17 06:55:55,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:55,171 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:55,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 111 [2021-06-17 06:55:56,022 INFO L550 ElimStorePlain]: Start of recursive call 23: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-17 06:55:56,585 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2021-06-17 06:55:56,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:56,794 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-17 06:55:56,794 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:55:56,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 265 [2021-06-17 06:55:57,539 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 312 [2021-06-17 06:55:57,959 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 333 [2021-06-17 06:55:58,766 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 445 [2021-06-17 06:55:59,242 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 445 [2021-06-17 06:55:59,791 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 456 [2021-06-17 06:56:01,029 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 460 DAG size of output: 668 [2021-06-17 06:56:01,980 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 484 [2021-06-17 06:56:02,491 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 513 [2021-06-17 06:56:02,853 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 313 [2021-06-17 06:56:04,425 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 304 [2021-06-17 06:56:04,848 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 398 [2021-06-17 06:56:06,157 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 251 [2021-06-17 06:56:06,418 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 340 [2021-06-17 06:56:07,268 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 314 [2021-06-17 06:56:07,747 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 630 [2021-06-17 06:56:08,557 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 892 [2021-06-17 06:56:09,470 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 652 [2021-06-17 06:56:10,510 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 386 DAG size of output: 576 [2021-06-17 06:56:11,782 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 496 [2021-06-17 06:56:12,210 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 199 [2021-06-17 06:56:12,662 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 253 [2021-06-17 06:56:12,822 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2021-06-17 06:56:13,359 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 396 [2021-06-17 06:56:14,087 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 278 [2021-06-17 06:56:14,902 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 293 [2021-06-17 06:56:15,316 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 261 [2021-06-17 06:56:15,882 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 312 [2021-06-17 06:56:16,354 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 318 [2021-06-17 06:56:16,749 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 448 [2021-06-17 06:56:17,431 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 698 [2021-06-17 06:56:18,522 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1888 DAG size of output: 1101 [2021-06-17 06:56:20,778 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 2779 DAG size of output: 1669 [2021-06-17 06:56:21,116 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 290 [2021-06-17 06:56:21,292 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 272 [2021-06-17 06:56:21,416 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 218 [2021-06-17 06:56:22,212 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 253 [2021-06-17 06:56:22,397 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 238 [2021-06-17 06:56:23,327 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 448 [2021-06-17 06:56:23,625 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 354 [2021-06-17 06:56:23,996 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 324 [2021-06-17 06:56:25,108 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 288 [2021-06-17 06:56:25,299 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 270 [2021-06-17 06:56:25,963 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 292 [2021-06-17 06:56:26,893 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 428 [2021-06-17 06:56:27,486 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 715 [2021-06-17 06:56:28,638 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1365 DAG size of output: 930 [2021-06-17 06:56:29,257 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 527 [2021-06-17 06:56:30,335 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 370 DAG size of output: 448 [2021-06-17 06:56:31,005 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 473 [2021-06-17 06:56:31,192 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 277 [2021-06-17 06:56:32,509 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 245 [2021-06-17 06:56:32,879 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 364 [2021-06-17 06:56:33,109 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 241 [2021-06-17 06:56:33,863 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 313 [2021-06-17 06:56:34,352 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 591 [2021-06-17 06:56:35,502 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 366 DAG size of output: 576 [2021-06-17 06:56:35,854 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 361 [2021-06-17 06:56:35,974 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 259 [2021-06-17 06:56:36,711 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 293 [2021-06-17 06:56:37,266 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 431 [2021-06-17 06:56:38,392 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 255 [2021-06-17 06:56:38,682 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 438 [2021-06-17 06:56:39,421 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 512 [2021-06-17 06:56:40,900 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 188 [2021-06-17 06:56:41,643 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1300 DAG size of output: 694 [2021-06-17 06:56:43,141 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1891 DAG size of output: 1111 [2021-06-17 06:56:44,267 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 415 DAG size of output: 506 [2021-06-17 06:56:45,126 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 380 [2021-06-17 06:56:46,057 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 258 [2021-06-17 06:56:46,603 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 294 [2021-06-17 06:56:47,895 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 411 DAG size of output: 636 [2021-06-17 06:56:48,657 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 517 [2021-06-17 06:56:49,577 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 254 [2021-06-17 06:56:50,702 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 273 [2021-06-17 06:56:51,387 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 411 [2021-06-17 06:56:51,894 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 578 [2021-06-17 06:56:54,072 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 2667 DAG size of output: 1451 [2021-06-17 06:57:00,392 WARN L205 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 5659 DAG size of output: 3276 [2021-06-17 06:57:06,641 WARN L205 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 5659 DAG size of output: 3276 [2021-06-17 06:57:13,345 WARN L205 SmtUtils]: Spent 6.69 s on a formula simplification. DAG size of input: 5663 DAG size of output: 3280 [2021-06-17 06:57:22,015 WARN L205 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 3284 DAG size of output: 4825 [2021-06-17 06:57:22,189 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 1728 [2021-06-17 06:57:24,162 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 295 [2021-06-17 06:57:27,433 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 503 [2021-06-17 06:57:27,815 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 706 [2021-06-17 06:57:30,207 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1079 [2021-06-17 06:57:30,510 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 2511 [2021-06-17 06:57:31,989 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 344 [2021-06-17 06:57:35,473 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 571 [2021-06-17 06:57:37,464 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 413 [2021-06-17 06:57:38,232 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 1237 [2021-06-17 06:57:39,026 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 961 [2021-06-17 06:57:40,276 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 349 [2021-06-17 06:57:40,389 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 790 [2021-06-17 06:57:43,133 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 531 [2021-06-17 06:57:43,660 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1607 DAG size of output: 781 [2021-06-17 06:57:45,217 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 3134 DAG size of output: 1536 [2021-06-17 06:57:49,345 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 6174 DAG size of output: 3177 [2021-06-17 06:57:53,509 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 6174 DAG size of output: 3177 [2021-06-17 06:58:03,665 WARN L205 SmtUtils]: Spent 10.10 s on a formula simplification. DAG size of input: 6181 DAG size of output: 4923 [2021-06-17 06:58:05,359 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 297 [2021-06-17 06:58:06,322 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 1681 [2021-06-17 06:58:07,982 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 390 [2021-06-17 06:58:08,116 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 251 [2021-06-17 06:58:08,377 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-17 06:58:08,947 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1020 [2021-06-17 06:58:08,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:58:09,138 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-06-17 06:58:09,139 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:58:09,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 273 [2021-06-17 06:58:09,830 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 273 [2021-06-17 06:58:10,151 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 345 [2021-06-17 06:58:10,937 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 437 [2021-06-17 06:58:11,418 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 437 [2021-06-17 06:58:11,959 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 449 [2021-06-17 06:58:12,620 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 583 [2021-06-17 06:58:13,614 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 312 [2021-06-17 06:58:14,235 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 632 [2021-06-17 06:58:14,927 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 371 [2021-06-17 06:58:15,194 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 463 [2021-06-17 06:58:15,776 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 349 [2021-06-17 06:58:16,262 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 449 [2021-06-17 06:58:16,830 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 381 [2021-06-17 06:58:17,291 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 479 [2021-06-17 06:58:18,185 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 865 [2021-06-17 06:58:18,601 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 215 [2021-06-17 06:58:18,898 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 231 [2021-06-17 06:58:19,456 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 218 [2021-06-17 06:58:19,662 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 234 [2021-06-17 06:58:20,152 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 337 [2021-06-17 06:58:22,207 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1395 DAG size of output: 1295 [2021-06-17 06:58:23,339 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 212 [2021-06-17 06:58:23,617 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 328 [2021-06-17 06:58:24,481 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 322 [2021-06-17 06:58:25,567 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 344 [2021-06-17 06:58:26,337 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 309 [2021-06-17 06:58:26,914 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 639 [2021-06-17 06:58:28,178 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 395 [2021-06-17 06:58:29,086 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 756 [2021-06-17 06:58:29,674 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 223 [2021-06-17 06:58:31,166 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1225 DAG size of output: 999 [2021-06-17 06:58:32,139 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 818 [2021-06-17 06:58:32,832 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 588 [2021-06-17 06:58:33,808 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 302 [2021-06-17 06:58:34,038 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 437 [2021-06-17 06:58:34,543 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 578 [2021-06-17 06:58:35,401 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 245 [2021-06-17 06:58:36,365 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 352 [2021-06-17 06:58:36,904 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 527 [2021-06-17 06:58:38,266 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 993 DAG size of output: 1035 [2021-06-17 06:58:38,770 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 326 [2021-06-17 06:58:39,144 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 418 [2021-06-17 06:58:40,259 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 302 [2021-06-17 06:58:40,802 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 719 [2021-06-17 06:58:43,406 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1581 DAG size of output: 1617 [2021-06-17 06:58:44,013 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 244 [2021-06-17 06:58:44,600 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 247 [2021-06-17 06:58:44,921 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 356 [2021-06-17 06:58:45,391 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 473 [2021-06-17 06:58:45,884 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 343 [2021-06-17 06:58:46,315 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 446 [2021-06-17 06:58:46,982 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 330 [2021-06-17 06:58:47,196 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 428 [2021-06-17 06:58:47,906 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 326 [2021-06-17 06:58:48,636 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 690 [2021-06-17 06:58:50,504 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1072 [2021-06-17 06:58:51,291 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 317 [2021-06-17 06:58:51,781 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 314 [2021-06-17 06:58:52,957 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 441 [2021-06-17 06:58:53,639 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 316 [2021-06-17 06:58:54,222 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 581 [2021-06-17 06:58:55,702 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 831 [2021-06-17 06:59:01,616 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 2630 DAG size of output: 2614 [2021-06-17 06:59:12,633 WARN L205 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 3765 DAG size of output: 3713 [2021-06-17 06:59:23,677 WARN L205 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 3765 DAG size of output: 3713 [2021-06-17 06:59:35,587 WARN L205 SmtUtils]: Spent 11.90 s on a formula simplification. DAG size of input: 3774 DAG size of output: 3722 [2021-06-17 06:59:52,769 WARN L205 SmtUtils]: Spent 17.15 s on a formula simplification. DAG size of input: 3726 DAG size of output: 6301 [2021-06-17 06:59:53,439 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 3721 [2021-06-17 06:59:53,798 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 2526 [2021-06-17 06:59:54,457 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 209 [2021-06-17 06:59:54,695 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 689 [2021-06-17 06:59:56,376 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 282 [2021-06-17 06:59:57,908 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 364 [2021-06-17 06:59:58,769 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 215 [2021-06-17 06:59:59,416 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 489 [2021-06-17 07:00:00,149 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 599 [2021-06-17 07:00:02,142 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 240 [2021-06-17 07:00:02,423 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 387 [2021-06-17 07:00:04,300 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1279 DAG size of output: 874 [2021-06-17 07:00:05,244 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 295 [2021-06-17 07:00:06,258 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 296 [2021-06-17 07:00:07,373 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 182 [2021-06-17 07:00:09,889 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1959 DAG size of output: 1323 [2021-06-17 07:00:10,653 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 1531 [2021-06-17 07:00:12,994 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 230 [2021-06-17 07:00:13,758 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 345 [2021-06-17 07:00:14,327 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 550 [2021-06-17 07:00:15,494 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-17 07:00:15,850 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 254 [2021-06-17 07:00:16,783 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 797 [2021-06-17 07:00:18,181 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 312 [2021-06-17 07:00:19,303 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 697 [2021-06-17 07:00:20,070 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 187 [2021-06-17 07:00:20,462 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 185 [2021-06-17 07:00:23,410 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1237 [2021-06-17 07:00:23,537 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 538 [2021-06-17 07:00:26,084 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 299 [2021-06-17 07:00:26,477 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-06-17 07:00:27,012 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 235 [2021-06-17 07:00:27,355 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 328 [2021-06-17 07:00:27,811 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 487 [2021-06-17 07:00:33,550 WARN L205 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 3596 DAG size of output: 2323 [2021-06-17 07:00:33,672 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 233 [2021-06-17 07:00:34,057 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 236 [2021-06-17 07:00:34,321 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 197 [2021-06-17 07:00:34,692 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 179 [2021-06-17 07:00:35,185 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 245 [2021-06-17 07:00:36,233 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 264 [2021-06-17 07:00:37,058 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 360 [2021-06-17 07:00:37,245 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 763 [2021-06-17 07:00:37,576 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 186 [2021-06-17 07:00:37,841 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 179 [2021-06-17 07:00:38,342 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 266 [2021-06-17 07:00:38,938 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 236 [2021-06-17 07:00:39,608 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 343 [2021-06-17 07:00:40,558 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 490 [2021-06-17 07:00:43,363 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 181 [2021-06-17 07:00:43,572 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 224 [2021-06-17 07:00:44,488 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 337 [2021-06-17 07:00:45,746 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 913 DAG size of output: 673 [2021-06-17 07:00:45,888 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 1303 [2021-06-17 07:00:47,077 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 240 [2021-06-17 07:00:47,322 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 337 [2021-06-17 07:00:47,632 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 874 [2021-06-17 07:00:48,192 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 196 [2021-06-17 07:00:48,601 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2021-06-17 07:00:49,116 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 239 [2021-06-17 07:00:49,618 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 307 [2021-06-17 07:00:50,935 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 201 [2021-06-17 07:00:51,619 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-17 07:00:52,491 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 215 [2021-06-17 07:00:53,105 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 370 [2021-06-17 07:00:53,798 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 456 [2021-06-17 07:00:55,272 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-06-17 07:00:56,102 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 252 [2021-06-17 07:00:56,709 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 371 [2021-06-17 07:00:57,549 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 281 [2021-06-17 07:00:59,060 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 531 [2021-06-17 07:00:59,879 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 216 [2021-06-17 07:01:01,985 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1009 [2021-06-17 07:01:03,002 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 183 [2021-06-17 07:01:03,448 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 295 [2021-06-17 07:01:03,609 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 336 [2021-06-17 07:01:04,490 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 212 [2021-06-17 07:01:04,674 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 185 [2021-06-17 07:01:05,521 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 193 [2021-06-17 07:01:05,712 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 157 [2021-06-17 07:01:06,155 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 259 [2021-06-17 07:01:09,999 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1497 [2021-06-17 07:01:24,267 WARN L205 SmtUtils]: Spent 14.26 s on a formula simplification. DAG size of input: 4940 DAG size of output: 3515 [2021-06-17 07:01:24,875 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 3284 [2021-06-17 07:01:24,997 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 1143 [2021-06-17 07:01:26,121 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 217 [2021-06-17 07:01:26,554 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 197 [2021-06-17 07:01:26,932 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 349 [2021-06-17 07:01:27,445 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 190 [2021-06-17 07:01:28,180 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 481 [2021-06-17 07:01:29,266 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 690 [2021-06-17 07:01:30,922 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 778 DAG size of output: 1105 [2021-06-17 07:01:31,965 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 775 DAG size of output: 967 [2021-06-17 07:01:33,585 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 231 [2021-06-17 07:01:34,559 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 218 [2021-06-17 07:01:36,187 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 219 [2021-06-17 07:01:37,160 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-06-17 07:01:38,051 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 749 [2021-06-17 07:01:39,971 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-06-17 07:01:40,265 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 324 [2021-06-17 07:01:40,589 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 388 [2021-06-17 07:01:41,983 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 256 [2021-06-17 07:01:43,688 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 320 [2021-06-17 07:01:43,992 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 407 [2021-06-17 07:01:44,254 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 385 [2021-06-17 07:01:45,642 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 759 [2021-06-17 07:01:47,578 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1810 DAG size of output: 1457 [2021-06-17 07:01:48,141 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 194 [2021-06-17 07:01:48,361 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 226 [2021-06-17 07:01:48,676 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 325 [2021-06-17 07:01:49,503 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 249 [2021-06-17 07:01:49,714 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 344 [2021-06-17 07:01:50,243 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 474 [2021-06-17 07:01:50,594 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 180 [2021-06-17 07:01:50,827 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 248 [2021-06-17 07:01:51,669 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 629 [2021-06-17 07:01:52,356 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 199 [2021-06-17 07:01:52,508 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 217 [2021-06-17 07:01:52,715 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 282 [2021-06-17 07:01:53,366 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 202 [2021-06-17 07:01:53,551 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2021-06-17 07:01:53,975 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 372 [2021-06-17 07:01:54,517 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 212 [2021-06-17 07:01:55,163 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 509 [2021-06-17 07:02:00,735 WARN L205 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 3182 DAG size of output: 2975 [2021-06-17 07:02:01,068 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 2204 [2021-06-17 07:02:01,205 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1340 [2021-06-17 07:02:01,688 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 164 [2021-06-17 07:02:02,354 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 283 [2021-06-17 07:02:03,047 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 323 [2021-06-17 07:02:03,507 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 213 [2021-06-17 07:02:04,061 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 300 [2021-06-17 07:02:04,839 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 767 [2021-06-17 07:02:05,608 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 183 [2021-06-17 07:02:05,755 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 228 [2021-06-17 07:02:05,973 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2021-06-17 07:02:06,783 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 346 [2021-06-17 07:02:07,272 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 225 [2021-06-17 07:02:07,721 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 170 [2021-06-17 07:02:07,998 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 308 [2021-06-17 07:02:09,019 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 271 [2021-06-17 07:02:09,853 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 364 [2021-06-17 07:02:10,515 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 782 [2021-06-17 07:02:12,687 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1596 DAG size of output: 1309 [2021-06-17 07:02:14,404 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 862 DAG size of output: 1309 [2021-06-17 07:02:15,439 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 167 [2021-06-17 07:02:15,803 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 217 [2021-06-17 07:02:16,015 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 374 [2021-06-17 07:02:17,559 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 362 [2021-06-17 07:02:18,268 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 639 [2021-06-17 07:02:19,537 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 172 [2021-06-17 07:02:19,704 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 227 [2021-06-17 07:02:20,742 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2021-06-17 07:02:21,470 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 284 [2021-06-17 07:02:22,968 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 517 [2021-06-17 07:02:24,299 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1087 DAG size of output: 750 [2021-06-17 07:02:27,304 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 2051 DAG size of output: 1637 [2021-06-17 07:02:28,563 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 204 [2021-06-17 07:02:28,766 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 285 [2021-06-17 07:02:29,054 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 354 [2021-06-17 07:02:36,421 WARN L205 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 4023 DAG size of output: 3397 [2021-06-17 07:02:36,552 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 494 [2021-06-17 07:02:38,107 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 337 [2021-06-17 07:02:38,595 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 489 [2021-06-17 07:02:39,244 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 667 [2021-06-17 07:02:40,376 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 260 [2021-06-17 07:02:41,022 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 166 [2021-06-17 07:02:41,502 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 379 [2021-06-17 07:02:42,025 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 209 [2021-06-17 07:02:43,494 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 586 [2021-06-17 07:02:44,235 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2021-06-17 07:02:44,872 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-17 07:02:45,094 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2021-06-17 07:02:45,605 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 365 [2021-06-17 07:02:47,979 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1417 [2021-06-17 07:02:48,582 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2021-06-17 07:02:49,038 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 203 [2021-06-17 07:02:49,229 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 246 [2021-06-17 07:02:49,572 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 391 [2021-06-17 07:02:50,147 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 222 [2021-06-17 07:02:50,720 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 337 [2021-06-17 07:02:50,929 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 225 [2021-06-17 07:02:52,064 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 327 [2021-06-17 07:02:52,519 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 203 [2021-06-17 07:02:52,712 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 246 [2021-06-17 07:02:53,169 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 517 [2021-06-17 07:02:53,300 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 620 [2021-06-17 07:02:53,955 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 361 [2021-06-17 07:02:54,470 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 442 [2021-06-17 07:02:54,934 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 164 [2021-06-17 07:02:55,598 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 283 [2021-06-17 07:02:56,050 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 541 [2021-06-17 07:02:57,158 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 224 [2021-06-17 07:02:57,699 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 173 [2021-06-17 07:02:58,276 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2021-06-17 07:02:58,750 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-06-17 07:02:59,311 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 450 [2021-06-17 07:03:00,727 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-06-17 07:03:01,438 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 324 [2021-06-17 07:03:01,770 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 389 [2021-06-17 07:03:03,070 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 982 DAG size of output: 827 [2021-06-17 07:03:04,376 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 253 [2021-06-17 07:03:04,750 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 362 [2021-06-17 07:03:05,313 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 291 [2021-06-17 07:03:05,960 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 476 [2021-06-17 07:03:06,496 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 277 [2021-06-17 07:03:06,917 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 168 [2021-06-17 07:03:07,190 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 357 [2021-06-17 07:03:08,342 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1107 DAG size of output: 1018 [2021-06-17 07:03:08,897 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 162 [2021-06-17 07:03:09,559 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 254 [2021-06-17 07:03:09,894 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 378 [2021-06-17 07:03:14,018 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 2386 DAG size of output: 2259 [2021-06-17 07:03:14,620 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 212 [2021-06-17 07:03:14,761 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 277 [2021-06-17 07:03:15,196 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 186 [2021-06-17 07:03:15,450 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 257 [2021-06-17 07:03:15,801 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 423 [2021-06-17 07:03:16,217 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 173 [2021-06-17 07:03:16,339 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2021-06-17 07:03:16,990 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 242 [2021-06-17 07:03:17,185 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 260 [2021-06-17 07:03:17,411 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 320 [2021-06-17 07:03:17,856 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 423 [2021-06-17 07:03:25,070 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 3346 DAG size of output: 3183 [2021-06-17 07:03:45,594 WARN L205 SmtUtils]: Spent 20.50 s on a formula simplification. DAG size of input: 6921 DAG size of output: 6414 [2021-06-17 07:03:46,717 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 321 [2021-06-17 07:03:46,990 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 404 [2021-06-17 07:03:47,635 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 216 [2021-06-17 07:03:48,682 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 07:03:48,951 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 273 [2021-06-17 07:03:49,459 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2021-06-17 07:03:50,376 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 710 [2021-06-17 07:03:50,539 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 692 [2021-06-17 07:03:51,283 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 211 [2021-06-17 07:03:51,566 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 310 [2021-06-17 07:03:52,687 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 315 [2021-06-17 07:03:53,555 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 677 [2021-06-17 07:03:54,072 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 192 [2021-06-17 07:03:54,586 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 201 [2021-06-17 07:03:55,277 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 298 [2021-06-17 07:03:55,697 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 253 [2021-06-17 07:03:56,434 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 301 [2021-06-17 07:03:57,107 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 271 [2021-06-17 07:03:57,796 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 422 [2021-06-17 07:03:59,169 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 460 DAG size of output: 572 [2021-06-17 07:03:59,934 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 179 [2021-06-17 07:04:01,386 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 288 [2021-06-17 07:04:01,811 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 360 [2021-06-17 07:04:02,438 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 181 [2021-06-17 07:04:02,773 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 255 [2021-06-17 07:04:03,337 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 127 [2021-06-17 07:04:04,625 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 809 DAG size of output: 575 [2021-06-17 07:04:08,632 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 1725 DAG size of output: 1613 [2021-06-17 07:04:09,155 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 192 [2021-06-17 07:04:09,828 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 271 [2021-06-17 07:04:10,254 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 320 [2021-06-17 07:04:11,062 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 460 [2021-06-17 07:04:45,613 WARN L205 SmtUtils]: Spent 34.54 s on a formula simplification. DAG size of input: 9805 DAG size of output: 9047 [2021-06-17 07:05:39,750 WARN L205 SmtUtils]: Spent 54.08 s on a formula simplification. DAG size of input: 14696 DAG size of output: 12625 [2021-06-17 07:06:33,934 WARN L205 SmtUtils]: Spent 54.10 s on a formula simplification. DAG size of input: 14696 DAG size of output: 12625 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown