/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 03:36:01,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 03:36:01,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 03:36:01,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 03:36:01,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 03:36:01,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 03:36:01,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 03:36:01,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 03:36:01,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 03:36:01,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 03:36:01,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 03:36:01,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 03:36:01,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 03:36:01,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:36:01,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 03:36:01,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 03:36:01,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 03:36:01,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 03:36:01,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 03:36:01,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 03:36:01,714 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 03:36:01,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 03:36:01,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 03:36:01,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 03:36:01,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 03:36:01,945 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 03:36:01,945 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 03:36:01,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-06-06 03:36:01,946 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-06-06 03:36:01,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 03:36:01,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 03:36:01,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 03:36:01,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 03:36:01,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 03:36:01,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:01,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:01,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 03:36:01,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 03:36:01,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 03:36:01,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 03:36:01,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:01,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:02,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:02,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:02,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:02,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:02,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... [2021-06-06 03:36:02,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 03:36:02,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 03:36:02,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 03:36:02,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 03:36:02,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 03:36:02,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 03:36:02,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 03:36:02,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 03:36:02,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 03:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 03:36:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 03:36:02,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 03:36:02,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 03:36:02,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 03:36:02,057 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 03:36:02,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 03:36:02,218 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 03:36:02,219 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 03:36:02,219 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 03:36:02,220 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:36:02 BoogieIcfgContainer [2021-06-06 03:36:02,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 03:36:02,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 03:36:02,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 03:36:02,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 03:36:02,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:36:01" (1/2) ... [2021-06-06 03:36:02,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541d9bbc and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:36:02, skipping insertion in model container [2021-06-06 03:36:02,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:36:02" (2/2) ... [2021-06-06 03:36:02,225 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-06-06 03:36:02,228 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 03:36:02,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 03:36:02,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 03:36:02,229 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 03:36:02,255 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 03:36:02,268 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) [2021-06-06 03:36:02,316 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 03:36:02,316 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 03:36:02,316 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 03:36:02,317 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 03:36:02,317 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 03:36:02,317 INFO L383 AbstractCegarLoop]: Difference is false Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 03:36:02,317 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 03:36:02,318 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 03:36:02,334 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:02,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:02,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1694861722, now seen corresponding path program 1 times [2021-06-06 03:36:02,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:02,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576654307] [2021-06-06 03:36:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:02,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:02,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576654307] [2021-06-06 03:36:02,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576654307] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 03:36:02,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 03:36:02,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 03:36:02,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899915744] [2021-06-06 03:36:02,425 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 03:36:02,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:02,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 03:36:02,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 03:36:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:02,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:02,437 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) [2021-06-06 03:36:02,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:02,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 03:36:02,446 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:02,446 INFO L82 PathProgramCache]: Analyzing trace with hash 658584646, now seen corresponding path program 1 times [2021-06-06 03:36:02,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:02,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850613036] [2021-06-06 03:36:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:02,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:02,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850613036] [2021-06-06 03:36:02,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850613036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:02,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729808091] [2021-06-06 03:36:02,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:02,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 03:36:02,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:02,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729808091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:02,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:02,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-06 03:36:02,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483482558] [2021-06-06 03:36:02,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 03:36:02,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:02,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 03:36:02,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 03:36:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:02,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:02,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:02,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:02,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:02,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:02,833 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:02,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:02,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1035640753, now seen corresponding path program 1 times [2021-06-06 03:36:02,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:02,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326518886] [2021-06-06 03:36:02,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:02,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:02,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326518886] [2021-06-06 03:36:02,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326518886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:02,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866488089] [2021-06-06 03:36:02,894 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) [2021-06-06 03:36:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:02,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 03:36:02,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:02,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866488089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:02,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:02,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 03:36:02,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37082890] [2021-06-06 03:36:02,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 03:36:02,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:02,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 03:36:02,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 03:36:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:02,978 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:02,979 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) [2021-06-06 03:36:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:02,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:03,209 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:03,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1473521199, now seen corresponding path program 2 times [2021-06-06 03:36:03,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:03,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437733963] [2021-06-06 03:36:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:03,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:03,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:03,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437733963] [2021-06-06 03:36:03,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437733963] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:03,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341304451] [2021-06-06 03:36:03,258 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 [2021-06-06 03:36:03,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:36:03,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:03,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 03:36:03,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:03,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:03,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-06 03:36:03,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:03,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:03,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:03,422 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-06 03:36:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:03,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341304451] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:03,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:03,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-06-06 03:36:03,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335162717] [2021-06-06 03:36:03,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 03:36:03,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:03,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 03:36:03,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 03:36:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:03,430 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:03,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:03,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:03,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:03,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:03,669 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:03,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:03,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1948130383, now seen corresponding path program 3 times [2021-06-06 03:36:03,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:03,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443667542] [2021-06-06 03:36:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:03,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:03,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443667542] [2021-06-06 03:36:03,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443667542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:03,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284779135] [2021-06-06 03:36:03,715 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 [2021-06-06 03:36:03,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 03:36:03,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 03:36:03,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:03,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284779135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:03,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:03,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-06 03:36:03,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358483530] [2021-06-06 03:36:03,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 03:36:03,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:03,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 03:36:03,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-06 03:36:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:03,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:03,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:03,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:04,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:04,081 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:04,081 INFO L82 PathProgramCache]: Analyzing trace with hash 285571430, now seen corresponding path program 4 times [2021-06-06 03:36:04,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:04,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347779566] [2021-06-06 03:36:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 03:36:04,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:04,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347779566] [2021-06-06 03:36:04,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347779566] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:04,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833917756] [2021-06-06 03:36:04,122 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) [2021-06-06 03:36:04,150 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:36:04,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:04,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 03:36:04,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 03:36:04,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833917756] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:04,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:04,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-06 03:36:04,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508629658] [2021-06-06 03:36:04,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 03:36:04,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:04,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 03:36:04,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-06 03:36:04,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:04,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:04,199 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) [2021-06-06 03:36:04,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:04,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:04,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:04,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:04,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:04,465 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:04,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1118463878, now seen corresponding path program 5 times [2021-06-06 03:36:04,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:04,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979469215] [2021-06-06 03:36:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:04,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:04,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979469215] [2021-06-06 03:36:04,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979469215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:04,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587618112] [2021-06-06 03:36:04,505 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 [2021-06-06 03:36:04,542 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 03:36:04,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:04,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 03:36:04,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:04,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:04,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-06 03:36:04,716 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:04,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:04,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:04,718 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-06 03:36:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:04,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587618112] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:04,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:04,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-06-06 03:36:04,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486109021] [2021-06-06 03:36:04,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 03:36:04,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:04,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 03:36:04,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-06 03:36:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:04,729 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:04,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:04,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:04,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:04,969 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:04,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:04,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1580915834, now seen corresponding path program 6 times [2021-06-06 03:36:04,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:04,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614642685] [2021-06-06 03:36:04,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:05,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:05,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614642685] [2021-06-06 03:36:05,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614642685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:05,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976247604] [2021-06-06 03:36:05,026 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 [2021-06-06 03:36:05,052 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 03:36:05,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:05,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 03:36:05,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:05,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976247604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:05,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:05,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-06 03:36:05,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574454074] [2021-06-06 03:36:05,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 03:36:05,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:05,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 03:36:05,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-06 03:36:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:05,106 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:05,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:05,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:05,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 03:36:05,417 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:05,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:05,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1740678897, now seen corresponding path program 7 times [2021-06-06 03:36:05,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:05,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482895942] [2021-06-06 03:36:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:05,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:05,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482895942] [2021-06-06 03:36:05,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482895942] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:05,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415732754] [2021-06-06 03:36:05,466 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 [2021-06-06 03:36:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:05,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 03:36:05,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:05,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:05,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-06 03:36:05,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:05,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:05,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:05,940 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-06 03:36:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:05,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415732754] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:05,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:05,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-06 03:36:05,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317881973] [2021-06-06 03:36:05,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 03:36:05,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:05,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 03:36:05,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 03:36:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:05,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:05,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:05,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:06,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:06,231 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:06,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:06,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1937782575, now seen corresponding path program 8 times [2021-06-06 03:36:06,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:06,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078212231] [2021-06-06 03:36:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:06,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:06,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078212231] [2021-06-06 03:36:06,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078212231] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:06,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755993257] [2021-06-06 03:36:06,314 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 [2021-06-06 03:36:06,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:36:06,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:06,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 03:36:06,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:06,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755993257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:06,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:06,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-06 03:36:06,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478473680] [2021-06-06 03:36:06,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 03:36:06,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:06,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 03:36:06,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-06 03:36:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:06,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:06,392 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) [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:06,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:06,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:06,763 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:06,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:06,763 INFO L82 PathProgramCache]: Analyzing trace with hash -35210618, now seen corresponding path program 9 times [2021-06-06 03:36:06,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:06,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367308817] [2021-06-06 03:36:06,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-06 03:36:06,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:06,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367308817] [2021-06-06 03:36:06,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367308817] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:06,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581005618] [2021-06-06 03:36:06,820 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 [2021-06-06 03:36:06,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 03:36:06,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:06,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 03:36:06,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-06 03:36:06,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581005618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:06,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:06,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-06-06 03:36:06,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144374973] [2021-06-06 03:36:06,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 03:36:06,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:06,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 03:36:06,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-06 03:36:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:06,950 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:06,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:06,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:07,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-06-06 03:36:07,257 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:07,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:07,257 INFO L82 PathProgramCache]: Analyzing trace with hash 208179366, now seen corresponding path program 10 times [2021-06-06 03:36:07,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:07,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717011098] [2021-06-06 03:36:07,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:07,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:07,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717011098] [2021-06-06 03:36:07,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717011098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:07,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375520691] [2021-06-06 03:36:07,316 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 [2021-06-06 03:36:07,350 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:36:07,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:07,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 03:36:07,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:07,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:07,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-06 03:36:09,300 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 233 [2021-06-06 03:36:09,929 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:36:09,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:09,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:36:09,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-06 03:36:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:09,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375520691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:09,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:09,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-06-06 03:36:09,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307466961] [2021-06-06 03:36:09,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 03:36:09,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:09,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 03:36:09,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-06-06 03:36:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:09,937 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:09,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:09,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:10,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:36:10,225 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:10,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1132874918, now seen corresponding path program 11 times [2021-06-06 03:36:10,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:10,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222599481] [2021-06-06 03:36:10,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:10,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:10,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222599481] [2021-06-06 03:36:10,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222599481] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:10,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981525834] [2021-06-06 03:36:10,350 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 [2021-06-06 03:36:10,388 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 03:36:10,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:10,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 03:36:10,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 03:36:10,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981525834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:10,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:36:10,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-06-06 03:36:10,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378342589] [2021-06-06 03:36:10,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 03:36:10,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:36:10,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 03:36:10,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-06-06 03:36:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:10,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:36:10,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:10,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:36:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:36:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:36:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:36:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:36:10,901 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-06 03:36:10,902 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:36:10,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:36:10,902 INFO L82 PathProgramCache]: Analyzing trace with hash 782455791, now seen corresponding path program 12 times [2021-06-06 03:36:10,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:36:10,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971927010] [2021-06-06 03:36:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:36:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:36:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:36:10,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:36:10,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971927010] [2021-06-06 03:36:10,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971927010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:36:10,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430230604] [2021-06-06 03:36:10,978 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 [2021-06-06 03:36:11,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 03:36:11,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:36:11,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 03:36:11,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:36:11,442 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-06 03:36:11,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:36:11,442 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 [2021-06-06 03:36:12,119 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 293 [2021-06-06 03:36:12,768 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 320 [2021-06-06 03:36:13,044 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 498 [2021-06-06 03:36:14,210 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 415 [2021-06-06 03:36:14,716 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 782 [2021-06-06 03:36:15,399 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 315 [2021-06-06 03:36:16,171 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 349 [2021-06-06 03:36:16,463 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 540 [2021-06-06 03:36:17,068 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 276 [2021-06-06 03:36:17,648 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 285 [2021-06-06 03:36:17,876 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 455 [2021-06-06 03:36:18,493 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 886 [2021-06-06 03:36:19,809 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1836 DAG size of output: 1525 [2021-06-06 03:36:21,327 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1855 DAG size of output: 1543 [2021-06-06 03:36:22,841 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1855 DAG size of output: 1543 [2021-06-06 03:36:24,585 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1870 DAG size of output: 1558 [2021-06-06 03:36:26,657 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1560 DAG size of output: 1748 [2021-06-06 03:36:30,212 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 1559 DAG size of output: 2290 [2021-06-06 03:36:34,492 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1917 [2021-06-06 03:36:36,270 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1558 [2021-06-06 03:36:39,003 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1105 DAG size of output: 1455 [2021-06-06 03:36:39,237 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 880 [2021-06-06 03:36:39,867 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2021-06-06 03:36:40,015 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 327 [2021-06-06 03:36:41,308 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-06 03:36:41,606 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 435 [2021-06-06 03:36:42,159 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 683 [2021-06-06 03:36:42,308 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 263 [2021-06-06 03:36:42,430 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 261 [2021-06-06 03:36:43,177 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 270 [2021-06-06 03:36:43,354 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 321 [2021-06-06 03:36:44,272 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 293 [2021-06-06 03:36:44,445 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 322 [2021-06-06 03:36:44,875 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 576 [2021-06-06 03:36:46,062 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1454 DAG size of output: 1016 [2021-06-06 03:36:46,369 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 337 [2021-06-06 03:36:46,971 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 250 [2021-06-06 03:36:47,409 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 328 [2021-06-06 03:36:47,698 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 386 [2021-06-06 03:36:49,409 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1852 DAG size of output: 1256 [2021-06-06 03:36:49,739 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 909 [2021-06-06 03:36:50,591 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 286 [2021-06-06 03:36:51,365 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 776 [2021-06-06 03:36:51,641 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 424 [2021-06-06 03:36:51,877 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 405 [2021-06-06 03:36:52,271 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 354 [2021-06-06 03:36:52,525 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 387 [2021-06-06 03:36:53,365 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 490 [2021-06-06 03:36:54,126 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 680 [2021-06-06 03:36:54,333 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 358 [2021-06-06 03:36:54,911 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 280 [2021-06-06 03:36:55,295 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 452 [2021-06-06 03:36:55,979 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 355 [2021-06-06 03:36:56,746 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 736 [2021-06-06 03:36:57,774 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1539 DAG size of output: 903 [2021-06-06 03:37:01,015 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 3018 DAG size of output: 1874 [2021-06-06 03:37:04,082 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1279 DAG size of output: 1716 [2021-06-06 03:37:04,426 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 1060 [2021-06-06 03:37:05,266 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-06-06 03:37:05,495 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 362 [2021-06-06 03:37:05,612 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 301 [2021-06-06 03:37:05,748 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 327 [2021-06-06 03:37:06,747 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 327 [2021-06-06 03:37:06,960 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 370 [2021-06-06 03:37:07,459 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 543 [2021-06-06 03:37:08,482 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 715 DAG size of output: 907 [2021-06-06 03:37:09,663 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 347 [2021-06-06 03:37:09,816 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 298 [2021-06-06 03:37:10,505 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 546 [2021-06-06 03:37:10,821 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 468 [2021-06-06 03:37:11,131 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 504 [2021-06-06 03:37:11,302 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 260 [2021-06-06 03:37:12,264 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 347 [2021-06-06 03:37:12,388 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 317 [2021-06-06 03:37:13,481 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 981 DAG size of output: 478 [2021-06-06 03:37:14,253 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 1469 DAG size of output: 756 [2021-06-06 03:37:15,413 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1771 DAG size of output: 980 [2021-06-06 03:37:17,335 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 2434 DAG size of output: 1358 [2021-06-06 03:37:19,133 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1061 DAG size of output: 1405 [2021-06-06 03:37:19,520 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 918 [2021-06-06 03:37:20,405 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 736 [2021-06-06 03:37:20,631 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 323 [2021-06-06 03:37:21,120 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 269 [2021-06-06 03:37:21,339 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 323 [2021-06-06 03:37:21,785 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2021-06-06 03:37:22,192 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 285 [2021-06-06 03:37:22,472 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 372 [2021-06-06 03:37:22,690 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 396 [2021-06-06 03:37:23,165 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 342 [2021-06-06 03:37:23,580 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 262 [2021-06-06 03:37:24,110 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 542 [2021-06-06 03:37:24,658 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 665 [2021-06-06 03:37:24,765 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 597 [2021-06-06 03:37:25,154 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 672 [2021-06-06 03:37:26,030 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 540 [2021-06-06 03:37:26,526 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 573 [2021-06-06 03:37:26,646 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 500 [2021-06-06 03:37:27,049 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 548 [2021-06-06 03:37:27,818 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 488 [2021-06-06 03:37:28,303 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 526 [2021-06-06 03:37:28,970 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 576 [2021-06-06 03:37:30,363 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 2026 DAG size of output: 970 [2021-06-06 03:37:34,304 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 3986 DAG size of output: 2019 [2021-06-06 03:37:41,918 WARN L205 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 5679 DAG size of output: 3221 [2021-06-06 03:37:50,973 WARN L205 SmtUtils]: Spent 8.80 s on a formula simplification. DAG size of input: 5807 DAG size of output: 3290 [2021-06-06 03:38:02,422 WARN L205 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 6348 DAG size of output: 3315 [2021-06-06 03:38:16,300 WARN L205 SmtUtils]: Spent 13.85 s on a formula simplification. DAG size of input: 7159 DAG size of output: 4141 [2021-06-06 03:38:19,413 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 1509 DAG size of output: 2213 [2021-06-06 03:38:21,648 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1392 DAG size of output: 1858 [2021-06-06 03:38:23,966 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1191 DAG size of output: 1549 [2021-06-06 03:38:26,029 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 990 DAG size of output: 1316 [2021-06-06 03:38:27,623 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 908 DAG size of output: 1138 [2021-06-06 03:38:27,831 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 826 DAG size of output: 774 [2021-06-06 03:38:28,405 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 460 [2021-06-06 03:38:28,525 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 284 [2021-06-06 03:38:28,747 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 284 [2021-06-06 03:38:29,580 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 321 [2021-06-06 03:38:29,853 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 403 [2021-06-06 03:38:30,461 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 256 [2021-06-06 03:38:30,573 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 307 [2021-06-06 03:38:31,283 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 385 [2021-06-06 03:38:31,729 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 434 [2021-06-06 03:38:32,448 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 741 [2021-06-06 03:38:33,849 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 2022 DAG size of output: 1237 [2021-06-06 03:38:35,280 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 984 DAG size of output: 1161 [2021-06-06 03:38:36,422 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 880 DAG size of output: 1173 [2021-06-06 03:38:36,572 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 789 [2021-06-06 03:38:36,857 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 235 [2021-06-06 03:38:37,332 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 270 [2021-06-06 03:38:37,600 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 319 [2021-06-06 03:38:37,963 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 521 [2021-06-06 03:38:38,622 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 324 [2021-06-06 03:38:39,000 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 262 [2021-06-06 03:38:39,272 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 486 [2021-06-06 03:38:39,949 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 274 [2021-06-06 03:38:40,468 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 255 [2021-06-06 03:38:40,751 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 471 [2021-06-06 03:38:41,423 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 793 [2021-06-06 03:38:42,443 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1569 DAG size of output: 1006 [2021-06-06 03:38:44,040 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 2140 DAG size of output: 1475 [2021-06-06 03:38:46,159 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 2422 DAG size of output: 1717 [2021-06-06 03:38:50,132 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 3708 DAG size of output: 2159 [2021-06-06 03:38:54,795 WARN L205 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 3803 DAG size of output: 2212 [2021-06-06 03:38:54,946 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1254 [2021-06-06 03:38:55,326 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 1179 [2021-06-06 03:38:56,035 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 688 [2021-06-06 03:38:56,621 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 556 [2021-06-06 03:38:56,784 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 353 [2021-06-06 03:38:58,038 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 370 [2021-06-06 03:38:58,371 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 478 [2021-06-06 03:38:59,132 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 236 [2021-06-06 03:38:59,269 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 309 [2021-06-06 03:38:59,441 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 271 [2021-06-06 03:38:59,602 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 278 [2021-06-06 03:38:59,883 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 280 [2021-06-06 03:39:00,196 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 301 [2021-06-06 03:39:00,411 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 366 [2021-06-06 03:39:00,783 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 468 [2021-06-06 03:39:01,297 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 558 [2021-06-06 03:39:02,192 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 1331 DAG size of output: 797 [2021-06-06 03:39:03,502 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 722 DAG size of output: 963 [2021-06-06 03:39:04,462 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 904 [2021-06-06 03:39:05,228 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 908 [2021-06-06 03:39:05,547 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 518 [2021-06-06 03:39:06,030 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 281 [2021-06-06 03:39:06,493 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 348 [2021-06-06 03:39:06,908 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 483 [2021-06-06 03:39:07,104 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 301 [2021-06-06 03:39:07,344 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 274 [2021-06-06 03:39:07,841 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 377 [2021-06-06 03:39:08,178 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 477 [2021-06-06 03:39:08,697 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 601 [2021-06-06 03:39:09,348 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 250 [2021-06-06 03:39:09,515 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-06 03:39:09,940 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 282 [2021-06-06 03:39:10,190 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 445 [2021-06-06 03:39:10,479 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 497 [2021-06-06 03:39:10,787 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 439 [2021-06-06 03:39:11,618 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 364 [2021-06-06 03:39:12,114 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 629 [2021-06-06 03:39:13,289 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1764 DAG size of output: 1080 [2021-06-06 03:39:14,909 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 2081 DAG size of output: 1300 [2021-06-06 03:39:15,956 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 617 DAG size of output: 805 [2021-06-06 03:39:16,774 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 734 [2021-06-06 03:39:18,019 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 255 [2021-06-06 03:39:18,263 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 342 [2021-06-06 03:39:19,048 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 289 [2021-06-06 03:39:19,191 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 310 [2021-06-06 03:39:19,787 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 388 [2021-06-06 03:39:20,355 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 1171 DAG size of output: 610 [2021-06-06 03:39:22,950 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2757 DAG size of output: 1645 [2021-06-06 03:39:26,935 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 3930 DAG size of output: 2244 [2021-06-06 03:39:31,645 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 4006 DAG size of output: 2284 [2021-06-06 03:39:41,025 WARN L205 SmtUtils]: Spent 9.36 s on a formula simplification. DAG size of input: 6698 DAG size of output: 3464 [2021-06-06 03:39:52,433 WARN L205 SmtUtils]: Spent 11.38 s on a formula simplification. DAG size of input: 7473 DAG size of output: 4262 [2021-06-06 03:40:18,750 WARN L205 SmtUtils]: Spent 26.29 s on a formula simplification. DAG size of input: 11516 DAG size of output: 6620 [2021-06-06 03:40:44,941 WARN L205 SmtUtils]: Spent 26.15 s on a formula simplification. DAG size of input: 11516 DAG size of output: 6620 [2021-06-06 03:41:12,901 WARN L205 SmtUtils]: Spent 27.93 s on a formula simplification. DAG size of input: 11523 DAG size of output: 6627 [2021-06-06 03:41:39,965 WARN L205 SmtUtils]: Spent 27.02 s on a formula simplification. DAG size of input: 6629 DAG size of output: 6985 [2021-06-06 03:42:00,547 WARN L205 SmtUtils]: Spent 20.54 s on a formula simplification. DAG size of input: 6349 DAG size of output: 6640 [2021-06-06 03:42:10,893 WARN L205 SmtUtils]: Spent 10.31 s on a formula simplification. DAG size of input: 6332 DAG size of output: 4175 [2021-06-06 03:42:11,619 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 3079 DAG size of output: 3079 [2021-06-06 03:42:12,338 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 3059 DAG size of output: 3059 [2021-06-06 03:42:13,269 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 2965 DAG size of output: 2965 [2021-06-06 03:42:13,618 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 664 [2021-06-06 03:42:14,290 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 710 [2021-06-06 03:42:14,508 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 388 [2021-06-06 03:42:16,089 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 442 [2021-06-06 03:42:16,364 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 476 [2021-06-06 03:42:16,650 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 481 [2021-06-06 03:42:17,203 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 543 [2021-06-06 03:42:17,974 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 306 [2021-06-06 03:42:18,600 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 366 [2021-06-06 03:42:18,812 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 394 [2021-06-06 03:42:19,370 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 767 [2021-06-06 03:42:20,036 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 844 [2021-06-06 03:42:20,212 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 535 [2021-06-06 03:42:20,533 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 427 [2021-06-06 03:42:20,856 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 437 [2021-06-06 03:42:21,287 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 353 [2021-06-06 03:42:21,706 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 444 [2021-06-06 03:42:22,030 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 476 [2021-06-06 03:42:23,311 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 367 [2021-06-06 03:42:23,957 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 780 [2021-06-06 03:42:24,102 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 1635 [2021-06-06 03:42:24,251 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1078 DAG size of output: 1078 [2021-06-06 03:42:25,424 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 864 DAG size of output: 936 [2021-06-06 03:42:26,394 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 239 [2021-06-06 03:42:26,928 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 420 [2021-06-06 03:42:27,120 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 217 [2021-06-06 03:42:27,831 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 322 [2021-06-06 03:42:28,141 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 554 [2021-06-06 03:42:28,556 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 597 [2021-06-06 03:42:28,737 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 283 [2021-06-06 03:42:30,018 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 747 [2021-06-06 03:42:30,142 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 789 [2021-06-06 03:42:30,970 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 586 [2021-06-06 03:42:31,157 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 268 [2021-06-06 03:42:32,278 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-06 03:42:32,623 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 265 [2021-06-06 03:42:32,733 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 285 [2021-06-06 03:42:32,930 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 371 [2021-06-06 03:42:33,279 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 521 [2021-06-06 03:42:33,787 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 686 [2021-06-06 03:42:34,881 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1739 DAG size of output: 1168 [2021-06-06 03:42:37,449 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 3011 DAG size of output: 2110 [2021-06-06 03:42:40,439 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 3140 DAG size of output: 2103 [2021-06-06 03:42:43,572 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 3230 DAG size of output: 2138 [2021-06-06 03:42:44,996 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 915 DAG size of output: 1226 [2021-06-06 03:42:45,561 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 802 [2021-06-06 03:42:45,696 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 787 [2021-06-06 03:42:46,047 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 419 [2021-06-06 03:42:46,802 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 366 [2021-06-06 03:42:47,449 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 254 [2021-06-06 03:42:47,592 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-06 03:42:48,291 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 350 [2021-06-06 03:42:48,628 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 387 [2021-06-06 03:42:49,157 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 276 [2021-06-06 03:42:49,534 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 269 [2021-06-06 03:42:50,004 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 283 [2021-06-06 03:42:50,194 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 223 [2021-06-06 03:42:50,562 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 462 [2021-06-06 03:42:52,081 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 332 [2021-06-06 03:42:52,771 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 506 [2021-06-06 03:42:53,567 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 266 [2021-06-06 03:42:54,075 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 605 [2021-06-06 03:42:54,747 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 208 [2021-06-06 03:42:55,394 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 307 [2021-06-06 03:42:56,228 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 779 [2021-06-06 03:42:57,842 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1885 DAG size of output: 1200 [2021-06-06 03:42:59,891 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1967 DAG size of output: 1278 [2021-06-06 03:43:02,188 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 2270 DAG size of output: 1279 [2021-06-06 03:43:08,895 WARN L205 SmtUtils]: Spent 6.69 s on a formula simplification. DAG size of input: 5732 DAG size of output: 3453 [2021-06-06 03:43:16,823 WARN L205 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 6192 DAG size of output: 3669 [2021-06-06 03:43:25,960 WARN L205 SmtUtils]: Spent 9.11 s on a formula simplification. DAG size of input: 6843 DAG size of output: 3879 [2021-06-06 03:43:35,055 WARN L205 SmtUtils]: Spent 9.07 s on a formula simplification. DAG size of input: 6843 DAG size of output: 3879 [2021-06-06 03:43:44,797 WARN L205 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 6848 DAG size of output: 3880 [2021-06-06 03:43:45,149 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 3877 [2021-06-06 03:43:52,337 WARN L205 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 3879 DAG size of output: 4189 [2021-06-06 03:43:53,083 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 3822 DAG size of output: 3822 [2021-06-06 03:43:54,048 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 3416 DAG size of output: 2568 [2021-06-06 03:43:54,438 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 2117 DAG size of output: 2098 [2021-06-06 03:43:56,967 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 2004 DAG size of output: 2076 [2021-06-06 03:43:57,892 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 1035 [2021-06-06 03:43:58,221 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 699 [2021-06-06 03:43:58,674 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 458 [2021-06-06 03:43:58,831 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 364 [2021-06-06 03:43:59,397 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 504 [2021-06-06 03:44:00,963 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1444 [2021-06-06 03:44:01,290 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 797 [2021-06-06 03:44:01,789 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 527 [2021-06-06 03:44:02,013 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 733 [2021-06-06 03:44:02,350 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 249 [2021-06-06 03:44:02,730 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1160 DAG size of output: 540 [2021-06-06 03:44:03,575 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 912 [2021-06-06 03:44:04,464 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 1953 DAG size of output: 693 [2021-06-06 03:44:05,450 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 2388 DAG size of output: 967 [2021-06-06 03:44:05,970 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 590 [2021-06-06 03:44:07,228 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 2625 DAG size of output: 944 [2021-06-06 03:44:08,502 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 2991 DAG size of output: 977 [2021-06-06 03:44:09,761 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 2991 DAG size of output: 977 [2021-06-06 03:44:11,257 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 2998 DAG size of output: 770 [2021-06-06 03:44:11,439 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 385 [2021-06-06 03:44:11,796 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 251 [2021-06-06 03:44:12,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:44:12,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:44:12,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:44:12,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-06 03:44:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:44:12,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430230604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:44:12,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:44:12,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-06 03:44:12,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928136162] [2021-06-06 03:44:12,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 03:44:12,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:44:12,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 03:44:12,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-06 03:44:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:44:12,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:44:12,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:44:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:44:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:44:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:44:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:12,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:44:12,713 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:44:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:44:12,713 INFO L82 PathProgramCache]: Analyzing trace with hash 467408879, now seen corresponding path program 13 times [2021-06-06 03:44:12,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:44:12,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329042537] [2021-06-06 03:44:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:44:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:44:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:44:12,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:44:12,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329042537] [2021-06-06 03:44:12,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329042537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:44:12,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617981507] [2021-06-06 03:44:12,883 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 [2021-06-06 03:44:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:44:12,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 03:44:12,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:44:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:44:12,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617981507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:44:12,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:44:12,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-06 03:44:12,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248338369] [2021-06-06 03:44:12,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 03:44:12,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:44:12,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 03:44:12,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-06-06 03:44:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:44:12,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:44:12,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:12,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:44:12,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:12,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:44:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:44:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:44:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:44:13,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 03:44:13,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7272,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:44:13,402 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:44:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:44:13,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1627845062, now seen corresponding path program 14 times [2021-06-06 03:44:13,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:44:13,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122091384] [2021-06-06 03:44:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:44:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:44:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:44:13,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:44:13,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122091384] [2021-06-06 03:44:13,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122091384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:44:13,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151010525] [2021-06-06 03:44:13,519 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 [2021-06-06 03:44:13,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 03:44:13,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:44:13,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-06 03:44:13,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:44:14,179 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-06 03:44:14,180 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:44:14,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-06 03:44:15,581 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 348 [2021-06-06 03:44:15,761 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 360 [2021-06-06 03:44:16,064 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 429 [2021-06-06 03:44:16,415 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 459 [2021-06-06 03:44:16,831 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 483 [2021-06-06 03:44:17,830 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 329 [2021-06-06 03:44:18,014 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 355 [2021-06-06 03:44:18,239 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-06 03:44:18,900 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 614 [2021-06-06 03:44:19,919 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 363 [2021-06-06 03:44:20,111 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 374 [2021-06-06 03:44:20,846 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 438 [2021-06-06 03:44:21,205 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 465 [2021-06-06 03:44:21,709 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 488 [2021-06-06 03:44:22,500 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 319 [2021-06-06 03:44:22,854 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 359 [2021-06-06 03:44:23,059 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 384 [2021-06-06 03:44:23,304 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 403 [2021-06-06 03:44:23,982 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 627 [2021-06-06 03:44:25,453 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1021 [2021-06-06 03:44:26,934 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1021 [2021-06-06 03:44:28,690 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1526 DAG size of output: 1040 [2021-06-06 03:44:30,523 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1034 DAG size of output: 1145 [2021-06-06 03:44:31,898 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1034 [2021-06-06 03:44:32,197 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 442 [2021-06-06 03:44:32,768 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 314 [2021-06-06 03:44:32,935 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 318 [2021-06-06 03:44:33,552 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 266 [2021-06-06 03:44:33,847 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 421 [2021-06-06 03:44:34,309 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 536 [2021-06-06 03:44:35,497 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 701 DAG size of output: 899 [2021-06-06 03:44:35,724 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 417 [2021-06-06 03:44:36,578 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-06 03:44:36,732 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2021-06-06 03:44:37,036 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 394 [2021-06-06 03:44:37,619 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 588 [2021-06-06 03:44:38,128 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 508 [2021-06-06 03:44:38,438 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 338 [2021-06-06 03:44:38,800 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 262 [2021-06-06 03:44:39,089 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 387 [2021-06-06 03:44:39,708 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 422 [2021-06-06 03:44:40,811 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1044 DAG size of output: 784 [2021-06-06 03:44:42,527 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1508 DAG size of output: 1047 [2021-06-06 03:44:43,206 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 618 [2021-06-06 03:44:43,692 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 510 [2021-06-06 03:44:43,844 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 319 [2021-06-06 03:44:44,450 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 286 [2021-06-06 03:44:44,728 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 414 [2021-06-06 03:44:45,554 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 427 [2021-06-06 03:44:45,854 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 412 [2021-06-06 03:44:46,358 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 264 [2021-06-06 03:44:46,573 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 329 [2021-06-06 03:44:46,908 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 422 [2021-06-06 03:44:47,345 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 242 [2021-06-06 03:44:47,569 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 277 [2021-06-06 03:44:47,813 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 346 [2021-06-06 03:44:48,334 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 418 [2021-06-06 03:44:49,048 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 469 [2021-06-06 03:44:50,013 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 573 [2021-06-06 03:44:50,168 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 390 [2021-06-06 03:44:50,421 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 365 [2021-06-06 03:44:52,052 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 325 [2021-06-06 03:44:52,363 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 410 [2021-06-06 03:44:53,726 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1063 DAG size of output: 745 [2021-06-06 03:44:57,274 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 2164 DAG size of output: 1501 [2021-06-06 03:45:00,825 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 2164 DAG size of output: 1501 [2021-06-06 03:45:03,203 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 2173 DAG size of output: 1010 [2021-06-06 03:45:04,078 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 487 [2021-06-06 03:45:04,533 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 478 [2021-06-06 03:45:05,087 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 400 [2021-06-06 03:45:05,266 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 203 [2021-06-06 03:45:05,664 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 209 [2021-06-06 03:45:05,984 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 337 [2021-06-06 03:45:06,422 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 372 [2021-06-06 03:45:07,226 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 299 [2021-06-06 03:45:07,822 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 446 [2021-06-06 03:45:07,946 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2021-06-06 03:45:08,760 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 436 [2021-06-06 03:45:10,370 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 771 DAG size of output: 925 [2021-06-06 03:45:11,105 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 766 [2021-06-06 03:45:12,118 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 642 DAG size of output: 712 [2021-06-06 03:45:12,487 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 499 [2021-06-06 03:45:12,942 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 343 [2021-06-06 03:45:13,625 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 388 [2021-06-06 03:45:13,761 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 426 [2021-06-06 03:45:13,918 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 279 [2021-06-06 03:45:14,613 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 218 [2021-06-06 03:45:14,748 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2021-06-06 03:45:15,423 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 225 [2021-06-06 03:45:15,679 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 294 [2021-06-06 03:45:16,096 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 399 [2021-06-06 03:45:16,957 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 603 [2021-06-06 03:45:17,773 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 623 [2021-06-06 03:45:18,048 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 400 [2021-06-06 03:45:18,281 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-06 03:45:18,780 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 248 [2021-06-06 03:45:18,981 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 288 [2021-06-06 03:45:19,499 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 331 [2021-06-06 03:45:19,644 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 432 [2021-06-06 03:45:20,416 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 367 [2021-06-06 03:45:21,039 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 530 [2021-06-06 03:45:22,621 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1171 DAG size of output: 815 [2021-06-06 03:45:22,938 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 477 [2021-06-06 03:45:24,169 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 258 [2021-06-06 03:45:24,343 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 280 [2021-06-06 03:45:24,588 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 313 [2021-06-06 03:45:25,112 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 471 [2021-06-06 03:45:27,285 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1540 DAG size of output: 982 [2021-06-06 03:45:30,257 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 2054 DAG size of output: 1269 [2021-06-06 03:45:33,095 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 2054 DAG size of output: 1269 [2021-06-06 03:45:36,189 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 2060 DAG size of output: 1275 [2021-06-06 03:45:40,316 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 1277 DAG size of output: 1615 [2021-06-06 03:45:44,121 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1852 [2021-06-06 03:45:47,133 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 971 DAG size of output: 1210 [2021-06-06 03:45:47,270 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 681 [2021-06-06 03:45:47,637 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 349 [2021-06-06 03:45:49,527 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 283 [2021-06-06 03:45:50,264 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 367 [2021-06-06 03:45:50,734 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 473 [2021-06-06 03:45:51,507 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-06 03:45:51,665 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 253 [2021-06-06 03:45:51,803 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 263 [2021-06-06 03:45:53,279 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 272 [2021-06-06 03:45:53,499 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 344 [2021-06-06 03:45:53,840 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 449 [2021-06-06 03:45:55,016 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1378 DAG size of output: 936 [2021-06-06 03:45:55,271 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 317 [2021-06-06 03:45:56,274 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 286 [2021-06-06 03:45:56,620 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 310 [2021-06-06 03:45:56,961 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 406 [2021-06-06 03:45:57,219 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 335 [2021-06-06 03:45:57,378 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 229 [2021-06-06 03:45:57,503 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 213 [2021-06-06 03:45:58,196 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 274 [2021-06-06 03:45:59,022 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 391 [2021-06-06 03:45:59,460 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 443 [2021-06-06 03:45:59,942 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 535 [2021-06-06 03:46:02,100 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 2235 DAG size of output: 1482 [2021-06-06 03:46:03,566 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 738 DAG size of output: 1055 [2021-06-06 03:46:04,603 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 593 DAG size of output: 841 [2021-06-06 03:46:05,183 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 566 [2021-06-06 03:46:05,684 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 541 [2021-06-06 03:46:05,830 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 375 [2021-06-06 03:46:06,682 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 262 [2021-06-06 03:46:07,962 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 491 [2021-06-06 03:46:08,574 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 661 [2021-06-06 03:46:09,152 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 429 [2021-06-06 03:46:09,267 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 310 [2021-06-06 03:46:10,182 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 229 [2021-06-06 03:46:10,979 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 380 [2021-06-06 03:46:11,401 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 516 [2021-06-06 03:46:12,560 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1331 DAG size of output: 993 [2021-06-06 03:46:12,684 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 204 [2021-06-06 03:46:13,419 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 180 [2021-06-06 03:46:14,017 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 193 [2021-06-06 03:46:14,270 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 294 [2021-06-06 03:46:15,476 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 315 [2021-06-06 03:46:17,152 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1881 DAG size of output: 1270 [2021-06-06 03:46:19,318 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 2283 DAG size of output: 1610 [2021-06-06 03:46:22,370 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 2774 DAG size of output: 2046 [2021-06-06 03:46:28,380 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 4670 DAG size of output: 3185 [2021-06-06 03:46:28,721 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 1209 DAG size of output: 1209 [2021-06-06 03:46:30,722 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 704 DAG size of output: 864 [2021-06-06 03:46:31,676 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 723 [2021-06-06 03:46:32,568 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 615 [2021-06-06 03:46:33,332 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 415 [2021-06-06 03:46:33,662 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 337 [2021-06-06 03:46:34,686 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 224 [2021-06-06 03:46:35,531 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 368 [2021-06-06 03:46:35,866 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 374 [2021-06-06 03:46:36,319 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 456 [2021-06-06 03:46:37,181 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 462 [2021-06-06 03:46:38,242 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2021-06-06 03:46:38,384 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 238 [2021-06-06 03:46:39,335 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 342 [2021-06-06 03:46:39,739 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-06 03:46:40,678 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 749 [2021-06-06 03:46:42,091 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1225 DAG size of output: 982 [2021-06-06 03:46:43,342 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 543 DAG size of output: 812 [2021-06-06 03:46:44,406 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 513 DAG size of output: 709 [2021-06-06 03:46:45,439 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 409 DAG size of output: 503 [2021-06-06 03:46:45,905 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 400 [2021-06-06 03:46:46,138 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 377 [2021-06-06 03:46:47,899 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 293 [2021-06-06 03:46:48,428 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 437 [2021-06-06 03:46:48,852 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 460 [2021-06-06 03:46:49,459 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 598 [2021-06-06 03:46:50,573 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 468 DAG size of output: 598 [2021-06-06 03:46:51,043 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 415 [2021-06-06 03:46:51,212 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 407 [2021-06-06 03:46:51,668 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 194 [2021-06-06 03:46:51,974 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 183 [2021-06-06 03:46:52,126 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 246 [2021-06-06 03:46:52,813 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 248 [2021-06-06 03:46:53,426 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 360 [2021-06-06 03:46:54,071 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 578 [2021-06-06 03:46:54,651 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 579 [2021-06-06 03:46:55,459 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 743 [2021-06-06 03:46:56,626 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1605 DAG size of output: 939 [2021-06-06 03:46:58,441 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1966 DAG size of output: 1257 [2021-06-06 03:47:01,619 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 2926 DAG size of output: 1674 [2021-06-06 03:47:02,714 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 281 [2021-06-06 03:47:02,926 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 402 [2021-06-06 03:47:03,654 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2021-06-06 03:47:04,099 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2021-06-06 03:47:04,370 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 396 [2021-06-06 03:47:04,873 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 575 [2021-06-06 03:47:05,009 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 266 [2021-06-06 03:47:05,111 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 211 [2021-06-06 03:47:05,828 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 272 [2021-06-06 03:47:05,952 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 273 [2021-06-06 03:47:06,955 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 292 [2021-06-06 03:47:07,256 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 425 [2021-06-06 03:47:07,409 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 257 [2021-06-06 03:47:08,489 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 229 [2021-06-06 03:47:08,680 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-06-06 03:47:09,821 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 416 [2021-06-06 03:47:10,456 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 625 [2021-06-06 03:47:11,369 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 281 [2021-06-06 03:47:12,878 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1592 DAG size of output: 1122 [2021-06-06 03:47:13,279 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 354 [2021-06-06 03:47:13,541 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 343 [2021-06-06 03:47:13,707 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 269 [2021-06-06 03:47:13,869 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 239 [2021-06-06 03:47:14,473 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 256 [2021-06-06 03:47:14,671 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 237 [2021-06-06 03:47:15,348 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 240 [2021-06-06 03:47:15,654 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 387 [2021-06-06 03:47:16,080 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 455 [2021-06-06 03:47:16,847 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 222 [2021-06-06 03:47:16,998 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 271 [2021-06-06 03:47:17,217 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 349 [2021-06-06 03:47:17,947 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 622 [2021-06-06 03:47:18,818 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 494 [2021-06-06 03:47:19,876 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 207 [2021-06-06 03:47:20,982 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 186 [2021-06-06 03:47:21,487 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 294 [2021-06-06 03:47:21,782 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 338 [2021-06-06 03:47:22,609 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 502 [2021-06-06 03:47:23,048 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 400 [2021-06-06 03:47:23,198 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 170 [2021-06-06 03:47:24,232 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 201 [2021-06-06 03:47:24,422 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 244 [2021-06-06 03:47:25,152 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 194 [2021-06-06 03:47:26,131 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 230 [2021-06-06 03:47:26,625 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 426 [2021-06-06 03:47:27,324 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 555 [2021-06-06 03:47:28,664 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1434 DAG size of output: 786 [2021-06-06 03:47:36,050 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 6059 DAG size of output: 3448 [2021-06-06 03:47:50,010 WARN L205 SmtUtils]: Spent 13.93 s on a formula simplification. DAG size of input: 9707 DAG size of output: 5567 [2021-06-06 03:48:06,316 WARN L205 SmtUtils]: Spent 16.26 s on a formula simplification. DAG size of input: 10149 DAG size of output: 5578 [2021-06-06 03:48:22,751 WARN L205 SmtUtils]: Spent 16.39 s on a formula simplification. DAG size of input: 10149 DAG size of output: 5578 [2021-06-06 03:48:40,901 WARN L205 SmtUtils]: Spent 18.12 s on a formula simplification. DAG size of input: 10154 DAG size of output: 5584 [2021-06-06 03:48:41,623 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 5580 [2021-06-06 03:48:55,750 WARN L205 SmtUtils]: Spent 14.10 s on a formula simplification. DAG size of input: 5582 DAG size of output: 5633 [2021-06-06 03:48:58,868 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1699 [2021-06-06 03:48:59,422 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 536 [2021-06-06 03:48:59,791 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 183 [2021-06-06 03:48:59,958 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 273 [2021-06-06 03:49:00,347 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 180 [2021-06-06 03:49:00,473 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 206 [2021-06-06 03:49:02,728 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1362 [2021-06-06 03:49:03,071 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 835 [2021-06-06 03:49:03,633 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 550 [2021-06-06 03:49:04,177 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 228 [2021-06-06 03:49:04,348 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 296 [2021-06-06 03:49:04,892 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 268 [2021-06-06 03:49:05,134 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 367 [2021-06-06 03:49:05,407 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 393 [2021-06-06 03:49:06,318 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 538 [2021-06-06 03:49:07,155 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 745 [2021-06-06 03:49:07,819 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 658 [2021-06-06 03:49:08,735 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 205 [2021-06-06 03:49:08,962 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 334 [2021-06-06 03:49:09,491 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 499 [2021-06-06 03:49:10,144 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 570 [2021-06-06 03:49:10,863 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 1365 DAG size of output: 716 [2021-06-06 03:49:11,756 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 1808 DAG size of output: 858 [2021-06-06 03:49:15,881 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 3583 DAG size of output: 2046 [2021-06-06 03:49:18,021 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1115 DAG size of output: 1391 [2021-06-06 03:49:19,043 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 886 DAG size of output: 886 [2021-06-06 03:49:19,361 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 851 [2021-06-06 03:49:19,595 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 281 [2021-06-06 03:49:19,934 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 230 [2021-06-06 03:49:20,612 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 296 [2021-06-06 03:49:20,837 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 364 [2021-06-06 03:49:21,495 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 485 [2021-06-06 03:49:21,878 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 494 [2021-06-06 03:49:22,060 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 696 [2021-06-06 03:49:22,595 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 380 [2021-06-06 03:49:23,269 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 269 [2021-06-06 03:49:23,618 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 317 [2021-06-06 03:49:24,082 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 500 [2021-06-06 03:49:25,001 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 839 [2021-06-06 03:49:26,678 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 2210 DAG size of output: 1271 [2021-06-06 03:49:29,599 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 3759 DAG size of output: 1901 [2021-06-06 03:49:32,521 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 3759 DAG size of output: 1901 [2021-06-06 03:49:35,557 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 3763 DAG size of output: 1905 [2021-06-06 03:49:36,217 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 843 [2021-06-06 03:49:36,392 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 597 [2021-06-06 03:49:36,546 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 292 [2021-06-06 03:49:37,561 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 388 [2021-06-06 03:49:38,135 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 272 [2021-06-06 03:49:38,491 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 548 [2021-06-06 03:49:39,740 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1822 DAG size of output: 1229 [2021-06-06 03:49:40,981 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1822 DAG size of output: 1229 [2021-06-06 03:49:42,325 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1824 DAG size of output: 1231 [2021-06-06 03:49:43,377 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1233 DAG size of output: 1168 [2021-06-06 03:49:43,886 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 341 [2021-06-06 03:49:44,640 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 260 [2021-06-06 03:49:44,836 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 382 [2021-06-06 03:49:45,295 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 678 [2021-06-06 03:49:45,671 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 472 [2021-06-06 03:49:46,650 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 928 DAG size of output: 377 [2021-06-06 03:49:46,885 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 928 DAG size of output: 377 [2021-06-06 03:49:47,128 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 380 [2021-06-06 03:49:47,297 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 340 [2021-06-06 03:49:47,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 03:49:47,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:49:47,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 03:49:47,753 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-06 03:49:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:49:47,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151010525] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:49:47,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:49:47,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-06-06 03:49:47,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571031121] [2021-06-06 03:49:47,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 03:49:47,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:49:47,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 03:49:47,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 03:49:47,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:49:47,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:49:47,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 03:49:47,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:49:47,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:47,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:47,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:49:47,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 03:49:47,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:49:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 03:49:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 03:49:48,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7273,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:49:48,089 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:49:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:49:48,089 INFO L82 PathProgramCache]: Analyzing trace with hash 568831430, now seen corresponding path program 15 times [2021-06-06 03:49:48,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:49:48,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054962413] [2021-06-06 03:49:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:49:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:49:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:49:48,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:49:48,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054962413] [2021-06-06 03:49:48,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054962413] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:49:48,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735123639] [2021-06-06 03:49:48,275 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 [2021-06-06 03:49:48,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 03:49:48,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:49:48,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 03:49:48,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:49:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:49:48,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735123639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:49:48,383 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 03:49:48,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-06-06 03:49:48,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784131522] [2021-06-06 03:49:48,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 03:49:48,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 03:49:48,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 03:49:48,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-06-06 03:49:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:49:48,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 03:49:48,384 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) [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:49:48,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 03:49:48,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 03:49:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 03:49:48,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 03:49:48,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14474,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 03:49:48,897 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 03:49:48,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 03:49:48,897 INFO L82 PathProgramCache]: Analyzing trace with hash 476976847, now seen corresponding path program 16 times [2021-06-06 03:49:48,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 03:49:48,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895039561] [2021-06-06 03:49:48,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 03:49:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 03:49:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 03:49:49,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 03:49:49,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895039561] [2021-06-06 03:49:49,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895039561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 03:49:49,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474737843] [2021-06-06 03:49:49,023 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 [2021-06-06 03:49:49,053 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 03:49:49,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 03:49:49,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 03:49:49,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 03:49:50,026 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-06 03:49:50,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 03:49:50,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-06-06 03:49:50,909 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 384 [2021-06-06 03:49:51,096 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 387 [2021-06-06 03:49:52,003 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 394 [2021-06-06 03:49:52,192 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 397 [2021-06-06 03:49:52,564 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 599 [2021-06-06 03:49:53,341 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 373 [2021-06-06 03:49:53,515 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 376 [2021-06-06 03:49:54,353 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 383 [2021-06-06 03:49:54,529 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 386 [2021-06-06 03:49:54,875 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 588 [2021-06-06 03:49:55,694 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 1273 DAG size of output: 1050 [2021-06-06 03:49:56,741 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 325 [2021-06-06 03:49:56,984 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 494 [2021-06-06 03:49:57,272 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 497 [2021-06-06 03:49:57,880 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 337 [2021-06-06 03:49:58,682 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 506 [2021-06-06 03:49:58,994 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 509 [2021-06-06 03:49:59,612 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 919 DAG size of output: 823 [2021-06-06 03:50:00,178 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 324 [2021-06-06 03:50:00,930 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 493 [2021-06-06 03:50:01,221 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 496 [2021-06-06 03:50:02,408 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 481 [2021-06-06 03:50:02,679 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 484 [2021-06-06 03:50:03,243 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 906 DAG size of output: 810 [2021-06-06 03:50:04,591 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1674 DAG size of output: 1482 [2021-06-06 03:50:07,180 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 2800 DAG size of output: 2384 [2021-06-06 03:50:10,168 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 2845 DAG size of output: 2429 [2021-06-06 03:50:13,581 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 2876 DAG size of output: 2460 [2021-06-06 03:50:14,700 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 469 [2021-06-06 03:50:14,961 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 485 [2021-06-06 03:50:16,183 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 481 [2021-06-06 03:50:16,469 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 499 [2021-06-06 03:50:17,058 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 812 [2021-06-06 03:50:17,524 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 284 [2021-06-06 03:50:18,254 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 482 [2021-06-06 03:50:18,531 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 500 [2021-06-06 03:50:19,104 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 325 [2021-06-06 03:50:19,871 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 494 [2021-06-06 03:50:20,283 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 514 [2021-06-06 03:50:20,913 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 930 DAG size of output: 827 [2021-06-06 03:50:22,238 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1688 DAG size of output: 1485 [2021-06-06 03:50:22,954 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 363 [2021-06-06 03:50:23,120 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 377 [2021-06-06 03:50:23,885 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 373 [2021-06-06 03:50:24,062 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 389 [2021-06-06 03:50:24,407 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 590 [2021-06-06 03:50:25,189 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 374 [2021-06-06 03:50:25,368 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 390 [2021-06-06 03:50:26,216 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 384 [2021-06-06 03:50:26,439 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 402 [2021-06-06 03:50:26,813 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 603 [2021-06-06 03:50:27,623 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 1289 DAG size of output: 1053 [2021-06-06 03:50:30,108 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 2822 DAG size of output: 2384 [2021-06-06 03:50:33,013 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 2865 DAG size of output: 2427 [2021-06-06 03:50:36,372 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 2893 DAG size of output: 2455 Received shutdown request... [2021-06-06 03:50:40,320 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 2938 DAG size of output: 2499 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown