/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:38:46,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:38:46,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:38:46,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:38:46,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 05:38:46,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:38:46,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:38:46,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:38:46,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:38:46,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:38:46,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:38:46,799 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:38:46,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:38:46,799 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:38:46,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:38:46,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:38:46,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:38:46,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:38:46,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:38:46,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:38:46,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:38:46,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:38:46,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:38:46,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:38:46,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:38:46,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:38:47,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:38:47,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:38:47,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:38:47,132 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 05:38:47,135 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 05:38:47,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-07-10 05:38:47,137 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-07-10 05:38:47,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:38:47,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 05:38:47,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:38:47,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:38:47,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:38:47,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:38:47,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:38:47,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:38:47,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:38:47,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... [2021-07-10 05:38:47,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:38:47,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:38:47,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:38:47,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:38:47,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:38:47,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 05:38:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 05:38:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 05:38:47,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 05:38:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 05:38:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 05:38:47,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 05:38:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:38:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:38:47,264 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 05:38:47,523 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:38:47,524 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 05:38:47,533 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 05:38:47,533 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 05:38:47,535 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:38:47 BoogieIcfgContainer [2021-07-10 05:38:47,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:38:47,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:38:47,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:38:47,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:38:47,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:38:47" (1/2) ... [2021-07-10 05:38:47,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8a8968 and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:38:47, skipping insertion in model container [2021-07-10 05:38:47,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:38:47" (2/2) ... [2021-07-10 05:38:47,541 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-07-10 05:38:47,545 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:38:47,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:38:47,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:38:47,546 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:38:47,568 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 05:38:47,586 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 05:38:47,650 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:38:47,650 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:38:47,653 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:38:47,653 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:38:47,653 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:38:47,653 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:38:47,654 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:38:47,654 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:38:47,730 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:47,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:47,735 INFO L82 PathProgramCache]: Analyzing trace with hash -557316947, now seen corresponding path program 1 times [2021-07-10 05:38:47,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:47,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699132922] [2021-07-10 05:38:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:47,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:47,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699132922] [2021-07-10 05:38:47,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699132922] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:38:47,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:38:47,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:38:47,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774852914] [2021-07-10 05:38:47,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 05:38:47,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:47,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 05:38:47,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 05:38:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:47,903 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:47,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:47,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:47,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:38:47,945 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:47,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:47,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1018649893, now seen corresponding path program 1 times [2021-07-10 05:38:47,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:47,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942562584] [2021-07-10 05:38:47,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:47,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:47,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942562584] [2021-07-10 05:38:47,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942562584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:47,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621462827] [2021-07-10 05:38:47,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:48,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 05:38:48,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:48,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621462827] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:48,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:48,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 05:38:48,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540363146] [2021-07-10 05:38:48,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 05:38:48,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:48,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 05:38:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 05:38:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:48,132 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:48,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:48,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:48,397 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:48,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:48,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1490307348, now seen corresponding path program 1 times [2021-07-10 05:38:48,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:48,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136570715] [2021-07-10 05:38:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:48,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:48,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136570715] [2021-07-10 05:38:48,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136570715] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:48,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049363323] [2021-07-10 05:38:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:48,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 05:38:48,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:48,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049363323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:48,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:48,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 05:38:48,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896662528] [2021-07-10 05:38:48,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 05:38:48,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:48,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 05:38:48,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 05:38:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:48,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:48,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:48,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:48,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:48,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:48,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:48,801 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:48,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:48,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1845330330, now seen corresponding path program 2 times [2021-07-10 05:38:48,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:48,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497915661] [2021-07-10 05:38:48,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:48,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:48,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497915661] [2021-07-10 05:38:48,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497915661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:48,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488696279] [2021-07-10 05:38:48,925 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:49,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:38:49,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:49,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 05:38:49,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:49,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488696279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:49,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:49,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 05:38:49,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479985510] [2021-07-10 05:38:49,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:38:49,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:49,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:38:49,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:38:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:49,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:49,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:49,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:49,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:49,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:49,333 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:49,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:49,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2124084052, now seen corresponding path program 3 times [2021-07-10 05:38:49,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:49,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696695739] [2021-07-10 05:38:49,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:49,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:49,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696695739] [2021-07-10 05:38:49,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696695739] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:49,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632245341] [2021-07-10 05:38:49,449 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 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 [2021-07-10 05:38:49,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 05:38:49,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:49,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 05:38:49,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:49,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632245341] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:49,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:49,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 05:38:49,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102479953] [2021-07-10 05:38:49,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 05:38:49,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:49,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 05:38:49,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 05:38:49,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:49,565 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:49,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:49,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:49,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:49,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:49,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:49,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:49,837 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash -621878310, now seen corresponding path program 4 times [2021-07-10 05:38:49,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:49,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090282825] [2021-07-10 05:38:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:49,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:49,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090282825] [2021-07-10 05:38:49,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090282825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:49,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858387696] [2021-07-10 05:38:49,953 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:49,982 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:38:49,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:49,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 05:38:49,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:38:50,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858387696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:50,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:50,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-07-10 05:38:50,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628932141] [2021-07-10 05:38:50,052 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 05:38:50,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:50,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 05:38:50,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 05:38:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:50,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:50,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:50,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:50,302 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:50,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:50,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1298140564, now seen corresponding path program 5 times [2021-07-10 05:38:50,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:50,303 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916480830] [2021-07-10 05:38:50,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:50,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:50,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916480830] [2021-07-10 05:38:50,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916480830] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:50,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755297] [2021-07-10 05:38:50,366 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:50,414 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 05:38:50,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:50,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 05:38:50,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:50,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:38:50,614 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 27 treesize of output 99 [2021-07-10 05:38:50,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:38:50,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:38:50,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:38:50,858 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 05:38:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:50,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755297] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:50,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:50,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-07-10 05:38:50,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217927307] [2021-07-10 05:38:50,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 05:38:50,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:50,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 05:38:50,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 05:38:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:50,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:50,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 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) [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:50,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:51,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:51,185 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:51,186 INFO L82 PathProgramCache]: Analyzing trace with hash -787433958, now seen corresponding path program 6 times [2021-07-10 05:38:51,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:51,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012469393] [2021-07-10 05:38:51,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:51,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:51,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012469393] [2021-07-10 05:38:51,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012469393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:51,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905189506] [2021-07-10 05:38:51,260 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:51,296 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 05:38:51,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:51,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 05:38:51,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:51,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905189506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:51,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:51,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-10 05:38:51,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653905994] [2021-07-10 05:38:51,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 05:38:51,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:51,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 05:38:51,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-10 05:38:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:51,364 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:51,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:51,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:51,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-10 05:38:51,717 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:51,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:51,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1382419341, now seen corresponding path program 7 times [2021-07-10 05:38:51,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:51,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199846534] [2021-07-10 05:38:51,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:51,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:51,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199846534] [2021-07-10 05:38:51,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199846534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:51,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37809368] [2021-07-10 05:38:51,818 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:51,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 05:38:51,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:51,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37809368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:51,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:51,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 05:38:51,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432657607] [2021-07-10 05:38:51,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 05:38:51,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:51,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 05:38:51,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 05:38:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:51,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:51,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:52,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:52,375 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:52,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:52,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1749771333, now seen corresponding path program 8 times [2021-07-10 05:38:52,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:52,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682455261] [2021-07-10 05:38:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:52,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:52,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682455261] [2021-07-10 05:38:52,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682455261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:52,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081377189] [2021-07-10 05:38:52,497 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 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 [2021-07-10 05:38:52,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:38:52,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:52,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 05:38:52,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:52,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081377189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:52,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:52,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 05:38:52,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113784526] [2021-07-10 05:38:52,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 05:38:52,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:52,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 05:38:52,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 05:38:52,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:52,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:52,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:52,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:52,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:52,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:38:53,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:38:53,070 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:53,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:53,071 INFO L82 PathProgramCache]: Analyzing trace with hash -63434419, now seen corresponding path program 9 times [2021-07-10 05:38:53,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:53,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787593107] [2021-07-10 05:38:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:53,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:53,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787593107] [2021-07-10 05:38:53,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787593107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:53,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745376353] [2021-07-10 05:38:53,206 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 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 [2021-07-10 05:38:53,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 05:38:53,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:53,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 05:38:53,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:53,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745376353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:53,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:53,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-10 05:38:53,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016873879] [2021-07-10 05:38:53,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 05:38:53,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:53,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 05:38:53,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-07-10 05:38:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:53,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:53,384 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:38:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:38:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:38:53,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-10 05:38:53,881 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:53,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:53,882 INFO L82 PathProgramCache]: Analyzing trace with hash 673402363, now seen corresponding path program 10 times [2021-07-10 05:38:53,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:53,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028286577] [2021-07-10 05:38:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:54,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:54,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028286577] [2021-07-10 05:38:54,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028286577] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:54,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304743225] [2021-07-10 05:38:54,030 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 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 [2021-07-10 05:38:54,075 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:38:54,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:54,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 05:38:54,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 05:38:54,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304743225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:54,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:38:54,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 05:38:54,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336916295] [2021-07-10 05:38:54,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 05:38:54,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:38:54,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 05:38:54,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-07-10 05:38:54,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:54,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:38:54,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:38:54,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:38:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:38:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:38:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:38:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:38:54,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-10 05:38:54,700 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:38:54,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:38:54,700 INFO L82 PathProgramCache]: Analyzing trace with hash 2040506125, now seen corresponding path program 11 times [2021-07-10 05:38:54,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:38:54,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615333923] [2021-07-10 05:38:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:38:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:38:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:38:54,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:38:54,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615333923] [2021-07-10 05:38:54,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615333923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:38:54,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792074816] [2021-07-10 05:38:54,840 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 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 [2021-07-10 05:38:54,874 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 05:38:54,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:38:54,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 05:38:54,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:38:55,406 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 05:38:55,407 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:38:55,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 05:38:56,753 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-07-10 05:38:56,947 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-10 05:38:57,105 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-10 05:38:57,282 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-07-10 05:38:57,729 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-07-10 05:38:58,089 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-07-10 05:38:58,337 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-07-10 05:38:59,559 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-07-10 05:38:59,708 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-07-10 05:38:59,831 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-07-10 05:38:59,942 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 215 [2021-07-10 05:39:01,636 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-07-10 05:39:01,776 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-07-10 05:39:02,019 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-07-10 05:39:02,411 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-07-10 05:39:03,605 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-07-10 05:39:03,839 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-07-10 05:39:04,057 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-07-10 05:39:04,786 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-07-10 05:39:04,915 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-07-10 05:39:05,073 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-07-10 05:39:05,245 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-07-10 05:39:05,671 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-07-10 05:39:06,480 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-07-10 05:39:07,432 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-07-10 05:39:08,704 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-07-10 05:39:10,182 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-07-10 05:39:11,934 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-07-10 05:39:13,959 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-07-10 05:39:14,170 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-07-10 05:39:14,331 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-07-10 05:39:14,483 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-07-10 05:39:15,717 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-07-10 05:39:15,905 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-07-10 05:39:17,068 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-07-10 05:39:17,477 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-07-10 05:39:17,705 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-07-10 05:39:18,167 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-07-10 05:39:18,692 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-07-10 05:39:19,318 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-07-10 05:39:22,282 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-10 05:39:25,292 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-10 05:39:28,585 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-07-10 05:39:28,714 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-07-10 05:39:31,872 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-07-10 05:39:34,487 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-07-10 05:39:36,927 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-07-10 05:39:37,369 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-07-10 05:39:37,590 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-10 05:39:38,013 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-07-10 05:39:38,657 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-07-10 05:39:38,995 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-07-10 05:39:39,573 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-07-10 05:39:40,351 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-07-10 05:39:41,461 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-10 05:39:42,575 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-10 05:39:43,972 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-07-10 05:39:44,213 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-07-10 05:39:44,378 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-10 05:39:44,957 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-07-10 05:39:45,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:39:45,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:39:45,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:39:45,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 05:39:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:39:45,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792074816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:45,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:39:45,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-07-10 05:39:45,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9119729] [2021-07-10 05:39:45,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 05:39:45,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:39:45,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 05:39:45,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 05:39:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:45,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:39:45,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:45,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:45,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:45,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 05:39:45,837 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:39:45,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:39:45,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1471049787, now seen corresponding path program 12 times [2021-07-10 05:39:45,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:39:45,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750442161] [2021-07-10 05:39:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:39:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:39:45,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:39:45,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750442161] [2021-07-10 05:39:45,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750442161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:45,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010467745] [2021-07-10 05:39:45,972 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 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 [2021-07-10 05:39:46,001 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 05:39:46,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:39:46,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 05:39:46,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:39:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:39:46,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010467745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:46,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:39:46,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-07-10 05:39:46,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833921414] [2021-07-10 05:39:46,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 05:39:46,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:39:46,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 05:39:46,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-07-10 05:39:46,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:46,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:39:46,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:39:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:46,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:46,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:46,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1520,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:39:46,524 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:39:46,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:39:46,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1619028596, now seen corresponding path program 13 times [2021-07-10 05:39:46,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:39:46,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655491388] [2021-07-10 05:39:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:39:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:46,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:39:46,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655491388] [2021-07-10 05:39:46,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655491388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:46,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287561696] [2021-07-10 05:39:46,718 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 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 [2021-07-10 05:39:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:46,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 05:39:46,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:39:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:46,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287561696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:46,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:39:46,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 05:39:46,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658124159] [2021-07-10 05:39:46,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 05:39:46,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:39:46,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 05:39:46,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-07-10 05:39:46,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:46,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:39:46,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:46,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:46,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:46,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:46,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:46,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:46,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:47,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:47,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:47,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:47,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1521 [2021-07-10 05:39:47,694 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:39:47,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:39:47,694 INFO L82 PathProgramCache]: Analyzing trace with hash 889244474, now seen corresponding path program 14 times [2021-07-10 05:39:47,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:39:47,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770233028] [2021-07-10 05:39:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:39:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:47,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:39:47,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770233028] [2021-07-10 05:39:47,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770233028] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:47,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904082263] [2021-07-10 05:39:47,878 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 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 [2021-07-10 05:39:47,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:39:47,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:39:47,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 05:39:47,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:39:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:48,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904082263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:48,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:39:48,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-10 05:39:48,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109419396] [2021-07-10 05:39:48,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 05:39:48,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:39:48,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 05:39:48,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 05:39:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:48,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:39:48,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 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) [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:48,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:48,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 05:39:48,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1522,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:39:48,896 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:39:48,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:39:48,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1336298316, now seen corresponding path program 15 times [2021-07-10 05:39:48,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:39:48,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134809662] [2021-07-10 05:39:48,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:39:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:49,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:39:49,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134809662] [2021-07-10 05:39:49,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134809662] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:49,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167828868] [2021-07-10 05:39:49,127 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 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 [2021-07-10 05:39:49,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 05:39:49,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:39:49,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 05:39:49,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:39:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:49,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167828868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:49,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:39:49,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-10 05:39:49,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736025718] [2021-07-10 05:39:49,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 05:39:49,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:39:49,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 05:39:49,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-07-10 05:39:49,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:49,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:39:49,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:49,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 05:39:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 05:39:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:39:50,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1523 [2021-07-10 05:39:50,268 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:39:50,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:39:50,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1984901766, now seen corresponding path program 16 times [2021-07-10 05:39:50,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:39:50,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791169353] [2021-07-10 05:39:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:39:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:50,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:39:50,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791169353] [2021-07-10 05:39:50,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791169353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:50,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996664003] [2021-07-10 05:39:50,483 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 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 [2021-07-10 05:39:50,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:39:50,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:39:50,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-10 05:39:50,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:39:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 05:39:50,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996664003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:50,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:39:50,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-07-10 05:39:50,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601945000] [2021-07-10 05:39:50,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 05:39:50,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:39:50,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 05:39:50,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2021-07-10 05:39:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:50,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:39:50,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:39:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:50,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:39:50,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:39:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:39:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:39:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:39:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 05:39:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:39:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:39:51,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-10 05:39:51,507 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:39:51,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:39:51,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1862889204, now seen corresponding path program 17 times [2021-07-10 05:39:51,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:39:51,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339498396] [2021-07-10 05:39:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:39:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:39:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:39:51,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:39:51,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339498396] [2021-07-10 05:39:51,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339498396] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:39:51,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042653734] [2021-07-10 05:39:51,669 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 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 [2021-07-10 05:39:51,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 05:39:51,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:39:51,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 05:39:51,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:39:52,919 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-07-10 05:39:52,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:39:52,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-07-10 05:39:54,649 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 05:39:54,826 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-07-10 05:39:56,527 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-07-10 05:39:56,763 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-07-10 05:39:57,050 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-07-10 05:39:57,608 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-07-10 05:39:58,919 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-10 05:40:00,264 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-07-10 05:40:00,510 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-07-10 05:40:01,018 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-07-10 05:40:01,611 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-07-10 05:40:02,961 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-07-10 05:40:03,992 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-07-10 05:40:04,375 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-07-10 05:40:04,838 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-07-10 05:40:06,054 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-07-10 05:40:08,066 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-07-10 05:40:10,105 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-07-10 05:40:12,443 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-07-10 05:40:15,132 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-07-10 05:40:16,263 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-07-10 05:40:17,091 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-07-10 05:40:17,430 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-07-10 05:40:17,836 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-07-10 05:40:19,367 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-07-10 05:40:19,596 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-07-10 05:40:19,871 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-07-10 05:40:20,689 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-07-10 05:40:22,016 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-07-10 05:40:22,260 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-07-10 05:40:23,566 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-10 05:40:24,078 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-07-10 05:40:24,683 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-07-10 05:40:25,428 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-07-10 05:40:26,113 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-07-10 05:40:26,246 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-07-10 05:40:26,549 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-07-10 05:40:28,063 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-07-10 05:40:28,705 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-07-10 05:40:29,462 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-07-10 05:40:31,017 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-07-10 05:40:33,771 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-07-10 05:40:36,496 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-07-10 05:40:39,617 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-07-10 05:40:43,231 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-07-10 05:40:50,264 WARN L205 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-07-10 05:40:58,103 WARN L205 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-10 05:41:05,902 WARN L205 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-10 05:41:15,374 WARN L205 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-07-10 05:41:38,518 WARN L205 SmtUtils]: Spent 23.13 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-07-10 05:41:40,511 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-07-10 05:41:43,623 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-07-10 05:41:49,733 WARN L205 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-07-10 05:41:56,964 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-07-10 05:42:03,288 WARN L205 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-07-10 05:42:10,641 WARN L205 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-07-10 05:42:10,892 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-07-10 05:42:11,523 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-07-10 05:42:11,677 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-07-10 05:42:11,876 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-07-10 05:42:12,529 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-07-10 05:42:12,676 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-07-10 05:42:13,089 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-07-10 05:42:13,511 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-07-10 05:42:14,047 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-07-10 05:42:14,180 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-07-10 05:42:14,352 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-07-10 05:42:15,071 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-07-10 05:42:15,436 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-07-10 05:42:15,809 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-07-10 05:42:16,747 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-07-10 05:42:17,498 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-07-10 05:42:17,655 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-07-10 05:42:18,529 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-07-10 05:42:18,714 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-07-10 05:42:19,122 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-07-10 05:42:20,527 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-07-10 05:42:21,103 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-07-10 05:42:21,218 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-07-10 05:42:22,019 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-07-10 05:42:22,154 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-07-10 05:42:22,463 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-07-10 05:42:23,218 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-07-10 05:42:23,695 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-07-10 05:42:25,932 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-07-10 05:42:30,158 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-07-10 05:42:33,699 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-07-10 05:42:36,247 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-07-10 05:42:39,796 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-07-10 05:42:40,026 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-07-10 05:42:40,961 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-07-10 05:42:41,183 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-07-10 05:42:41,451 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-07-10 05:42:42,173 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-07-10 05:42:42,345 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-07-10 05:42:42,879 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-07-10 05:42:43,177 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-07-10 05:42:43,462 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-07-10 05:42:43,714 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-07-10 05:42:44,642 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-10 05:42:45,087 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-07-10 05:42:45,490 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-10 05:42:45,906 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-07-10 05:42:46,532 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-07-10 05:42:47,229 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-07-10 05:42:47,420 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-07-10 05:42:47,793 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-07-10 05:42:48,706 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-07-10 05:42:49,876 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-07-10 05:42:50,776 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-07-10 05:42:51,002 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-07-10 05:42:51,293 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-07-10 05:42:51,978 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-10 05:42:52,501 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-10 05:42:54,508 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-07-10 05:42:54,816 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-07-10 05:42:55,030 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-07-10 05:42:56,699 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-07-10 05:42:57,229 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-07-10 05:42:57,637 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-07-10 05:42:58,186 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-07-10 05:42:58,821 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-07-10 05:43:00,072 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-07-10 05:43:00,355 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-07-10 05:43:01,263 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-07-10 05:43:02,014 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-07-10 05:43:02,344 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-07-10 05:43:03,032 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-07-10 05:43:04,810 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-07-10 05:43:06,774 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-07-10 05:43:07,024 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-07-10 05:43:07,138 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-07-10 05:43:08,256 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-07-10 05:43:08,500 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-07-10 05:43:08,804 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-07-10 05:43:09,359 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-07-10 05:43:09,541 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-07-10 05:43:10,045 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-07-10 05:43:10,359 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 05:43:11,041 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-07-10 05:43:11,656 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-07-10 05:43:12,303 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-07-10 05:43:12,580 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-07-10 05:43:13,327 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-07-10 05:43:13,767 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-07-10 05:43:13,892 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-07-10 05:43:14,195 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-07-10 05:43:14,855 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-07-10 05:43:16,342 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-07-10 05:43:18,163 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-07-10 05:43:18,847 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2021-07-10 05:43:19,474 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-07-10 05:43:19,695 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-07-10 05:43:20,258 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-07-10 05:43:20,903 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-07-10 05:43:21,420 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-07-10 05:43:22,086 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-07-10 05:43:22,263 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-07-10 05:43:22,747 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-07-10 05:43:23,063 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-07-10 05:43:23,525 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-07-10 05:43:24,620 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-07-10 05:43:25,973 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-07-10 05:43:29,635 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-07-10 05:43:36,218 WARN L205 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-07-10 05:43:44,014 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-07-10 05:43:44,572 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-07-10 05:43:44,702 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-07-10 05:43:53,993 WARN L205 SmtUtils]: Spent 9.29 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-07-10 05:43:54,554 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-07-10 05:43:55,284 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-10 05:43:56,134 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-07-10 05:43:56,348 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-07-10 05:43:56,633 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-07-10 05:43:57,128 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-10 05:43:57,311 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-07-10 05:43:57,450 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-07-10 05:43:57,571 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-07-10 05:43:58,345 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-07-10 05:43:59,390 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-07-10 05:43:59,758 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-07-10 05:44:00,515 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-07-10 05:44:00,676 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-07-10 05:44:01,404 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-07-10 05:44:01,749 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-07-10 05:44:02,539 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-07-10 05:44:02,658 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-07-10 05:44:03,322 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-07-10 05:44:03,471 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-07-10 05:44:04,205 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-07-10 05:44:04,546 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-07-10 05:44:04,719 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-07-10 05:44:05,514 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-07-10 05:44:05,627 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-07-10 05:44:05,762 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-07-10 05:44:06,201 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-07-10 05:44:06,450 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-07-10 05:44:06,844 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-07-10 05:44:07,673 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-07-10 05:44:09,486 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-07-10 05:44:11,766 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-07-10 05:44:14,062 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-07-10 05:44:17,060 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-07-10 05:44:17,396 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-07-10 05:44:17,597 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-07-10 05:44:17,795 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-07-10 05:44:18,011 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-07-10 05:44:18,309 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-07-10 05:44:18,451 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-07-10 05:44:18,661 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-07-10 05:44:19,227 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-07-10 05:44:19,448 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-07-10 05:44:19,894 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-07-10 05:44:20,135 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-07-10 05:44:20,845 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-07-10 05:44:21,133 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-07-10 05:44:21,491 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-07-10 05:44:22,307 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-07-10 05:44:22,541 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-07-10 05:44:22,864 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-07-10 05:44:23,848 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-07-10 05:44:24,295 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 05:44:24,771 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-07-10 05:44:25,054 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-07-10 05:44:25,169 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-07-10 05:44:25,338 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-07-10 05:44:25,876 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-07-10 05:44:26,082 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-07-10 05:44:26,473 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-07-10 05:44:27,333 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-07-10 05:44:29,217 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-07-10 05:44:29,426 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-07-10 05:44:29,669 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-07-10 05:44:30,657 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-07-10 05:44:30,940 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-07-10 05:44:31,516 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-07-10 05:44:31,853 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-07-10 05:44:31,988 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-07-10 05:44:32,198 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-07-10 05:44:32,824 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-07-10 05:44:33,057 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-07-10 05:44:33,568 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-07-10 05:44:34,388 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-07-10 05:44:34,613 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-07-10 05:44:35,472 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-10 05:44:36,075 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-07-10 05:44:36,395 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-07-10 05:44:36,818 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-07-10 05:44:37,066 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-07-10 05:44:37,841 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-07-10 05:44:38,035 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-07-10 05:44:38,421 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-07-10 05:44:39,220 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-07-10 05:44:41,045 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-07-10 05:44:45,155 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-07-10 05:44:50,215 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-07-10 05:44:51,017 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-07-10 05:44:51,183 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-07-10 05:44:57,246 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-07-10 05:45:07,606 WARN L205 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-07-10 05:45:28,513 WARN L205 SmtUtils]: Spent 20.89 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-07-10 05:45:52,408 WARN L205 SmtUtils]: Spent 23.87 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-07-10 05:45:53,295 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-07-10 05:45:53,441 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-07-10 05:45:54,002 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-07-10 05:45:54,958 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2021-07-10 05:45:55,160 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-10 05:45:56,162 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-07-10 05:45:56,622 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-07-10 05:45:57,224 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-07-10 05:45:57,771 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-10 05:45:58,662 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-07-10 05:45:59,664 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-07-10 05:46:00,437 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-07-10 05:46:00,824 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-07-10 05:46:01,311 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-07-10 05:46:01,852 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-10 05:46:02,622 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-07-10 05:46:03,651 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-07-10 05:46:05,946 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-07-10 05:46:06,841 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-07-10 05:46:07,337 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-07-10 05:46:08,340 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-07-10 05:46:08,589 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-07-10 05:46:09,137 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-07-10 05:46:09,991 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-07-10 05:46:14,433 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-07-10 05:46:14,914 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-07-10 05:46:15,262 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-07-10 05:46:15,592 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-07-10 05:46:15,734 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 346 [2021-07-10 05:46:16,030 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-07-10 05:46:16,675 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2021-07-10 05:46:16,904 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-07-10 05:46:17,217 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-07-10 05:46:17,339 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 306 [2021-07-10 05:46:18,283 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 241 [2021-07-10 05:46:18,494 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-07-10 05:46:19,029 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-07-10 05:46:19,318 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-07-10 05:46:19,989 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 244 [2021-07-10 05:46:20,568 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-07-10 05:46:20,692 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 328 [2021-07-10 05:46:21,783 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2021-07-10 05:46:21,964 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-07-10 05:46:22,157 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-07-10 05:46:22,470 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-07-10 05:46:23,241 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-07-10 05:46:23,440 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-10 05:46:23,622 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-10 05:46:24,510 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 05:46:24,677 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-10 05:46:25,484 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-10 05:46:25,802 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-10 05:46:26,014 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-10 05:46:26,837 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-07-10 05:46:27,116 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-10 05:46:27,682 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-10 05:46:27,890 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-10 05:46:28,236 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-07-10 05:46:28,981 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-07-10 05:46:30,684 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-07-10 05:46:32,895 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-07-10 05:46:38,871 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-07-10 05:46:39,283 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-07-10 05:46:39,581 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-07-10 05:46:39,797 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-07-10 05:46:39,991 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-07-10 05:46:40,267 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-07-10 05:46:40,816 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-07-10 05:46:41,016 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-07-10 05:46:41,802 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-07-10 05:46:42,149 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-07-10 05:46:42,356 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-07-10 05:46:43,143 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-07-10 05:46:43,994 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 05:46:44,157 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-07-10 05:46:44,471 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-07-10 05:46:45,224 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-07-10 05:46:45,412 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-10 05:46:45,621 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-10 05:46:46,443 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-07-10 05:46:46,729 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-10 05:46:47,302 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-10 05:46:47,505 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-10 05:46:47,855 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-07-10 05:46:48,037 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-10 05:46:48,954 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-10 05:46:49,125 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-10 05:46:49,931 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-10 05:46:50,242 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-10 05:46:51,013 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-07-10 05:46:52,736 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-07-10 05:46:54,893 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-07-10 05:46:55,794 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-07-10 05:46:56,259 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-07-10 05:46:57,410 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-07-10 05:46:57,655 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-10 05:46:58,031 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-07-10 05:46:58,871 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-07-10 05:46:59,894 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-07-10 05:47:00,621 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-07-10 05:47:00,999 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-07-10 05:47:01,480 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-07-10 05:47:01,976 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-10 05:47:02,736 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-07-10 05:47:03,734 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-07-10 05:47:04,659 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-10 05:47:04,862 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-10 05:47:05,915 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-07-10 05:47:06,392 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-07-10 05:47:06,988 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-07-10 05:47:07,494 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-10 05:47:08,474 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-07-10 05:47:10,649 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-07-10 05:47:13,640 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-07-10 05:47:19,686 WARN L205 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-07-10 05:47:32,747 WARN L205 SmtUtils]: Spent 13.05 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-07-10 05:47:47,984 WARN L205 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-07-10 05:48:05,477 WARN L205 SmtUtils]: Spent 17.47 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-07-10 05:48:52,105 WARN L205 SmtUtils]: Spent 46.60 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-07-10 05:48:54,490 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-07-10 05:48:55,427 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-07-10 05:48:57,737 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-07-10 05:48:59,610 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-07-10 05:49:00,099 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 253 [2021-07-10 05:49:00,927 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-07-10 05:49:01,696 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-07-10 05:49:02,054 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-07-10 05:49:02,836 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-07-10 05:49:03,396 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2021-07-10 05:49:03,785 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-07-10 05:49:04,137 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-10 05:49:04,958 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-07-10 05:49:05,184 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-07-10 05:49:05,989 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-07-10 05:49:06,638 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-10 05:49:06,788 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-07-10 05:49:07,111 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-07-10 05:49:07,633 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-07-10 05:49:08,550 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-07-10 05:49:09,143 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-07-10 05:49:09,293 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-07-10 05:49:09,662 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-07-10 05:49:10,283 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-07-10 05:49:11,299 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-07-10 05:49:12,541 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-07-10 05:49:13,463 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-07-10 05:49:14,314 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-07-10 05:49:14,676 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-07-10 05:49:15,149 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-07-10 05:49:15,756 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-07-10 05:49:15,893 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-07-10 05:49:16,378 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-07-10 05:49:16,921 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-07-10 05:49:17,093 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-07-10 05:49:17,663 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-07-10 05:49:18,166 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-07-10 05:49:19,250 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-07-10 05:49:21,857 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-07-10 05:49:24,604 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-07-10 05:49:27,853 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-07-10 05:49:29,181 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-07-10 05:49:29,823 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-07-10 05:49:30,140 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-07-10 05:49:30,615 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-07-10 05:49:31,180 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-07-10 05:49:31,909 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-07-10 05:49:32,457 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-07-10 05:49:32,597 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-07-10 05:49:32,881 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-07-10 05:49:33,530 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-07-10 05:49:33,661 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-07-10 05:49:34,358 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-07-10 05:49:34,660 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-07-10 05:49:35,331 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-07-10 05:49:36,759 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-07-10 05:49:37,888 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-07-10 05:49:38,956 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-07-10 05:49:39,362 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-07-10 05:49:40,263 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-07-10 05:49:40,478 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-07-10 05:49:40,823 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-07-10 05:49:41,656 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-07-10 05:49:43,598 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-07-10 05:49:45,878 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-07-10 05:49:52,317 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-07-10 05:50:00,615 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-07-10 05:50:01,143 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-07-10 05:50:01,521 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-07-10 05:50:02,327 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-07-10 05:50:02,511 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-10 05:50:03,060 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-07-10 05:50:03,989 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-07-10 05:50:04,171 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-07-10 05:50:04,442 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-07-10 05:50:05,063 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-07-10 05:50:05,863 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-07-10 05:50:06,170 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-07-10 05:50:06,691 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-07-10 05:50:06,818 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-07-10 05:50:07,059 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-07-10 05:50:07,564 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-07-10 05:50:07,731 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-07-10 05:50:08,131 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-07-10 05:50:09,229 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-07-10 05:50:09,504 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-07-10 05:50:09,856 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-07-10 05:50:10,906 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-07-10 05:50:13,104 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-07-10 05:50:14,347 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-07-10 05:50:14,583 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-07-10 05:50:15,014 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 222 [2021-07-10 05:50:15,524 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 265 [2021-07-10 05:50:15,761 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-07-10 05:50:16,294 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-07-10 05:50:17,022 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-07-10 05:50:18,059 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-07-10 05:50:18,369 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-07-10 05:50:18,961 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-07-10 05:50:19,121 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-07-10 05:50:19,653 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-07-10 05:50:20,570 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-07-10 05:50:21,489 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-07-10 05:50:23,309 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-07-10 05:50:27,456 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-07-10 05:50:32,485 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-07-10 05:50:33,506 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-07-10 05:50:33,770 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-07-10 05:50:34,151 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-07-10 05:50:35,121 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-07-10 05:50:35,373 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-07-10 05:50:35,747 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-07-10 05:50:36,657 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-07-10 05:50:42,375 WARN L205 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-07-10 05:50:49,483 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-07-10 05:50:50,191 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-07-10 05:50:50,962 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-07-10 05:50:51,400 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2021-07-10 05:50:51,696 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-07-10 05:50:52,321 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-07-10 05:50:53,091 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2021-07-10 05:50:53,225 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-07-10 05:50:53,695 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-07-10 05:50:54,003 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-07-10 05:50:54,465 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-07-10 05:50:55,460 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-07-10 05:50:56,168 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-10 05:50:56,364 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-07-10 05:50:56,901 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-07-10 05:50:57,359 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-07-10 05:50:58,048 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-10 05:50:58,315 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-07-10 05:50:58,921 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-07-10 05:50:59,156 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-07-10 05:50:59,759 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-07-10 05:51:00,470 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-07-10 05:51:01,122 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-07-10 05:51:01,311 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-10 05:51:01,871 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-07-10 05:51:02,491 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-07-10 05:51:03,896 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-07-10 05:51:06,694 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-07-10 05:51:06,905 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-07-10 05:51:07,727 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-07-10 05:51:07,975 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-07-10 05:51:08,420 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 206 [2021-07-10 05:51:08,862 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-07-10 05:51:09,130 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-07-10 05:51:09,685 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-07-10 05:51:09,858 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-10 05:51:10,370 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-10 05:51:10,805 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-10 05:51:11,048 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-07-10 05:51:11,381 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-07-10 05:51:12,239 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-10 05:51:12,473 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-10 05:51:13,125 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-07-10 05:51:14,502 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-07-10 05:51:18,750 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-07-10 05:51:24,080 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-07-10 05:51:30,220 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-07-10 05:51:44,851 WARN L205 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 [2021-07-10 05:52:10,753 WARN L205 SmtUtils]: Spent 25.88 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4541 [2021-07-10 05:52:10,901 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-07-10 05:52:11,766 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 572 [2021-07-10 05:52:12,261 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 465 [2021-07-10 05:52:12,513 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 298 [2021-07-10 05:52:13,013 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 238 [2021-07-10 05:52:13,567 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2021-07-10 05:52:14,048 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 297 [2021-07-10 05:52:14,698 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 289 [2021-07-10 05:52:15,034 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 359 [2021-07-10 05:52:15,669 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 513 [2021-07-10 05:52:15,846 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-10 05:52:16,363 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-10 05:52:16,956 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-10 05:52:17,177 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-10 05:52:17,633 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-07-10 05:52:17,872 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2021-07-10 05:52:18,535 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 364 [2021-07-10 05:52:19,284 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 518 [2021-07-10 05:52:20,788 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 674 DAG size of output: 664 [2021-07-10 05:52:20,968 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 336 [2021-07-10 05:52:21,098 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 363 [2021-07-10 05:52:21,682 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 291 [2021-07-10 05:52:22,363 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-10 05:52:22,725 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 403 [2021-07-10 05:52:23,610 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 308 [2021-07-10 05:52:24,177 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 517 [2021-07-10 05:52:24,292 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 351 [2021-07-10 05:52:24,970 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 294 [2021-07-10 05:52:25,193 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 358 [2021-07-10 05:52:25,996 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-10 05:52:26,199 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 337 [2021-07-10 05:52:26,581 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2021-07-10 05:52:27,138 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 504 [2021-07-10 05:52:28,415 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 841 DAG size of output: 753 [2021-07-10 05:52:28,566 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 334 [2021-07-10 05:52:28,681 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 361 [2021-07-10 05:52:29,532 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 306 [2021-07-10 05:52:30,214 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 326 [2021-07-10 05:52:30,742 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 287 [2021-07-10 05:52:31,101 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 401 [2021-07-10 05:52:31,656 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 512 [2021-07-10 05:52:31,761 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 349 [2021-07-10 05:52:32,421 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 294 [2021-07-10 05:52:32,642 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 356 [2021-07-10 05:52:33,402 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 270 [2021-07-10 05:52:33,636 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 335 [2021-07-10 05:52:34,010 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2021-07-10 05:52:34,560 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-07-10 05:52:35,800 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 838 DAG size of output: 751 [2021-07-10 05:52:38,623 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1090 [2021-07-10 05:52:43,126 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 1724 DAG size of output: 1328 [2021-07-10 05:52:48,730 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 1886 DAG size of output: 1547 [2021-07-10 05:52:55,728 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 1990 DAG size of output: 1637 [2021-07-10 05:52:56,477 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 492 [2021-07-10 05:52:57,012 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 502 [2021-07-10 05:52:57,291 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 486 [2021-07-10 05:52:57,422 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 414 [2021-07-10 05:52:57,619 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 338 [2021-07-10 05:52:58,247 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 328 [2021-07-10 05:52:58,862 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 348 [2021-07-10 05:52:59,154 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 383 [2021-07-10 05:53:00,014 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 246 [2021-07-10 05:53:00,182 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 288 [2021-07-10 05:53:00,649 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 493 [2021-07-10 05:53:00,890 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 511 [2021-07-10 05:53:01,120 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 315 [2021-07-10 05:53:01,645 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 297 [2021-07-10 05:53:02,053 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-07-10 05:53:02,477 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2021-07-10 05:53:02,608 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 279 [2021-07-10 05:53:02,879 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2021-07-10 05:53:03,293 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 445 [2021-07-10 05:53:03,847 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 233 [2021-07-10 05:53:04,313 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 275 [2021-07-10 05:53:04,893 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 548 [2021-07-10 05:53:06,064 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 972 DAG size of output: 741 [2021-07-10 05:53:06,526 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 500 [2021-07-10 05:53:06,757 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 509 [2021-07-10 05:53:07,567 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2021-07-10 05:53:08,197 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 277 [2021-07-10 05:53:08,594 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2021-07-10 05:53:08,868 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 366 [2021-07-10 05:53:09,026 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 313 [2021-07-10 05:53:09,542 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 296 [2021-07-10 05:53:09,969 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 442 [2021-07-10 05:53:10,557 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 541 [2021-07-10 05:53:10,810 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 484 [2021-07-10 05:53:11,356 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 244 [2021-07-10 05:53:11,780 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 286 [2021-07-10 05:53:11,894 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 412 [2021-07-10 05:53:12,485 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 336 [2021-07-10 05:53:13,104 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 328 [2021-07-10 05:53:13,312 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 348 [2021-07-10 05:53:13,612 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 381 [2021-07-10 05:53:14,068 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 489 [2021-07-10 05:53:15,236 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 970 DAG size of output: 734 Received shutdown request... [2021-07-10 05:53:17,867 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1297 DAG size of output: 956 [2021-07-10 05:53:21,338 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1469 DAG size of output: 1172 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown