/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:45:16,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:45:16,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:45:16,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:45:17,005 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:45:17,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:45:17,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:45:17,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:45:17,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:45:17,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:45:17,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:45:17,033 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:45:17,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:45:17,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:45:17,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:45:17,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:45:17,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:45:17,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:45:17,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:45:17,036 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:45:17,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:45:17,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:45:17,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:45:17,267 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:45:17,268 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:45:17,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-14 03:45:17,269 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-14 03:45:17,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:45:17,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:45:17,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:45:17,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:45:17,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:45:17,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:45:17,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:45:17,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:45:17,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:45:17,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/1) ... [2021-06-14 03:45:17,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:45:17,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:45:17,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:45:17,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:45:17,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (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 [2021-06-14 03:45:17,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 03:45:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 03:45:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 03:45:17,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 03:45:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 03:45:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 03:45:17,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 03:45:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:45:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:45:17,398 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:45:17,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:45:17,648 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 03:45:17,649 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 03:45:17,649 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 03:45:17,650 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:45:17 BoogieIcfgContainer [2021-06-14 03:45:17,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:45:17,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:45:17,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:45:17,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:45:17,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:45:17" (1/2) ... [2021-06-14 03:45:17,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d3f597 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:45:17, skipping insertion in model container [2021-06-14 03:45:17,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:45:17" (2/2) ... [2021-06-14 03:45:17,655 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-14 03:45:17,658 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:45:17,658 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:45:17,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:45:17,659 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:45:17,676 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 03:45:17,689 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 03:45:17,736 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:45:17,736 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:45:17,736 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:45:17,736 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:45:17,737 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:45:17,737 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:45:17,737 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:45:17,737 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:45:17,754 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:17,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:17,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1040214325, now seen corresponding path program 1 times [2021-06-14 03:45:17,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:17,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710061687] [2021-06-14 03:45:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:17,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:17,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710061687] [2021-06-14 03:45:17,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710061687] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:45:17,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:45:17,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 03:45:17,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197085155] [2021-06-14 03:45:17,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:45:17,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:17,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:45:17,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:45:17,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:17,908 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:17,913 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) [2021-06-14 03:45:17,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:17,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:45:17,930 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:17,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash -614275243, now seen corresponding path program 1 times [2021-06-14 03:45:17,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:17,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520967671] [2021-06-14 03:45:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:17,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:17,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520967671] [2021-06-14 03:45:17,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520967671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:17,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781961465] [2021-06-14 03:45:17,968 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) [2021-06-14 03:45:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:18,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-14 03:45:18,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:18,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781961465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:18,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:18,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-14 03:45:18,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527969622] [2021-06-14 03:45:18,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 03:45:18,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:18,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 03:45:18,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-14 03:45:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:18,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:18,102 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) [2021-06-14 03:45:18,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:18,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:18,361 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:18,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:18,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1861934924, now seen corresponding path program 1 times [2021-06-14 03:45:18,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:18,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114537680] [2021-06-14 03:45:18,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:45:18,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:18,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114537680] [2021-06-14 03:45:18,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114537680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:18,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116293491] [2021-06-14 03:45:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:18,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 03:45:18,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:45:18,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116293491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:18,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:18,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-14 03:45:18,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909225255] [2021-06-14 03:45:18,523 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 03:45:18,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:18,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 03:45:18,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 03:45:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:18,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:18,524 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) [2021-06-14 03:45:18,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:18,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:18,754 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:18,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:18,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1606457044, now seen corresponding path program 2 times [2021-06-14 03:45:18,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:18,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442554511] [2021-06-14 03:45:18,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:45:18,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:18,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442554511] [2021-06-14 03:45:18,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442554511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:18,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750100208] [2021-06-14 03:45:18,792 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 [2021-06-14 03:45:18,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:45:18,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:18,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 03:45:18,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:45:18,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750100208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:18,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:18,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-14 03:45:18,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864931210] [2021-06-14 03:45:18,888 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 03:45:18,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:18,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 03:45:18,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 03:45:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:18,888 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:18,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-06-14 03:45:18,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:18,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:19,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:19,125 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:19,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:19,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1752425652, now seen corresponding path program 3 times [2021-06-14 03:45:19,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:19,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558627816] [2021-06-14 03:45:19,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:19,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:19,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558627816] [2021-06-14 03:45:19,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558627816] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:19,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978603363] [2021-06-14 03:45:19,174 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 [2021-06-14 03:45:19,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 03:45:19,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:19,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 03:45:19,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:19,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:45:19,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-14 03:45:19,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:45:19,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:45:19,352 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:45:19,352 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-14 03:45:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:19,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978603363] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:19,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:19,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-14 03:45:19,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201256386] [2021-06-14 03:45:19,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 03:45:19,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:19,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 03:45:19,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-14 03:45:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:19,360 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:19,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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) [2021-06-14 03:45:19,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:19,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:19,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:19,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:19,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:19,596 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:19,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:19,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1982485204, now seen corresponding path program 4 times [2021-06-14 03:45:19,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:19,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676957186] [2021-06-14 03:45:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:19,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:19,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676957186] [2021-06-14 03:45:19,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676957186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:19,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70651290] [2021-06-14 03:45:19,638 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) [2021-06-14 03:45:19,670 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:45:19,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:19,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 03:45:19,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:19,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70651290] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:19,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:19,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-14 03:45:19,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543702070] [2021-06-14 03:45:19,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:45:19,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:19,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:45:19,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:45:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:19,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:19,784 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) [2021-06-14 03:45:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:20,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:20,070 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1328227605, now seen corresponding path program 5 times [2021-06-14 03:45:20,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:20,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505141072] [2021-06-14 03:45:20,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:45:20,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:20,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505141072] [2021-06-14 03:45:20,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505141072] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:20,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076418697] [2021-06-14 03:45:20,119 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 [2021-06-14 03:45:20,143 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 03:45:20,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:20,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 03:45:20,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 03:45:20,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076418697] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:20,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:20,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-14 03:45:20,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068289128] [2021-06-14 03:45:20,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 03:45:20,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:20,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 03:45:20,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-14 03:45:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:20,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:20,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:20,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:20,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:20,501 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:20,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:20,501 INFO L82 PathProgramCache]: Analyzing trace with hash -605836011, now seen corresponding path program 6 times [2021-06-14 03:45:20,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:20,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901875264] [2021-06-14 03:45:20,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:20,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:20,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901875264] [2021-06-14 03:45:20,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901875264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:20,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258261600] [2021-06-14 03:45:20,587 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 [2021-06-14 03:45:20,623 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 03:45:20,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:20,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 03:45:20,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 03:45:20,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258261600] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:20,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:20,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-06-14 03:45:20,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454751237] [2021-06-14 03:45:20,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 03:45:20,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:20,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 03:45:20,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-06-14 03:45:20,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:20,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:20,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 16 states have internal predecessors, (30), 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) [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:20,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:21,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-14 03:45:21,167 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:21,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:21,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1600318732, now seen corresponding path program 7 times [2021-06-14 03:45:21,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:21,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945679789] [2021-06-14 03:45:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-14 03:45:21,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:21,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945679789] [2021-06-14 03:45:21,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945679789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:21,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418032703] [2021-06-14 03:45:21,250 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 [2021-06-14 03:45:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:21,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 03:45:21,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 03:45:21,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418032703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:21,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:21,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-14 03:45:21,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068425880] [2021-06-14 03:45:21,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 03:45:21,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:21,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 03:45:21,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-14 03:45:21,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:21,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:21,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 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) [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:21,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:45:21,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:21,873 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:21,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1751875372, now seen corresponding path program 8 times [2021-06-14 03:45:21,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:21,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649455880] [2021-06-14 03:45:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:22,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:22,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649455880] [2021-06-14 03:45:22,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649455880] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:22,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405857407] [2021-06-14 03:45:22,056 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 [2021-06-14 03:45:22,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:45:22,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:22,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-14 03:45:22,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:22,541 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-14 03:45:22,541 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:45:22,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-14 03:45:23,639 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-06-14 03:45:23,762 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-14 03:45:23,901 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-14 03:45:24,050 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-06-14 03:45:24,341 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-06-14 03:45:24,589 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-14 03:45:25,568 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 219 [2021-06-14 03:45:26,374 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-06-14 03:45:26,676 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-06-14 03:45:26,935 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-06-14 03:45:27,985 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-06-14 03:45:28,154 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-06-14 03:45:28,375 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-06-14 03:45:28,900 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-06-14 03:45:29,531 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-06-14 03:45:30,317 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-06-14 03:45:31,447 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-06-14 03:45:32,460 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-14 03:45:33,485 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-14 03:45:34,646 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-06-14 03:45:35,999 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-06-14 03:45:37,022 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-06-14 03:45:38,388 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-06-14 03:45:38,553 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-06-14 03:45:38,796 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-06-14 03:45:39,256 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-06-14 03:45:40,068 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-06-14 03:45:40,625 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-06-14 03:45:41,113 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-06-14 03:45:41,784 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-14 03:45:42,450 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-14 03:45:43,162 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-06-14 03:45:43,860 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-06-14 03:45:44,360 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-06-14 03:45:45,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:45:45,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:45:45,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:45:45,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-14 03:45:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:45,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405857407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:45,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:45,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-14 03:45:45,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067423231] [2021-06-14 03:45:45,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-14 03:45:45,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:45,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-14 03:45:45,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-14 03:45:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:45,119 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:45,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:45:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:45:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:45:45,422 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:45,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:45,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1509526260, now seen corresponding path program 9 times [2021-06-14 03:45:45,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:45,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948676873] [2021-06-14 03:45:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:45,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:45,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948676873] [2021-06-14 03:45:45,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948676873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:45,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707941605] [2021-06-14 03:45:45,578 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 [2021-06-14 03:45:45,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 03:45:45,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:45,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 03:45:45,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:45,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707941605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:45,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:45:45,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-14 03:45:45,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029036231] [2021-06-14 03:45:45,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 03:45:45,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:45:45,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 03:45:45,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-14 03:45:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:45,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:45:45,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:45:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:45:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:45:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:45:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:45:46,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-14 03:45:46,062 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:45:46,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:45:46,062 INFO L82 PathProgramCache]: Analyzing trace with hash -448597771, now seen corresponding path program 10 times [2021-06-14 03:45:46,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:45:46,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410342535] [2021-06-14 03:45:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:45:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:45:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:45:46,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:45:46,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410342535] [2021-06-14 03:45:46,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410342535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:45:46,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977859329] [2021-06-14 03:45:46,225 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 [2021-06-14 03:45:46,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:45:46,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:45:46,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-14 03:45:46,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:45:46,949 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-14 03:45:46,950 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:45:46,950 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 [2021-06-14 03:45:47,708 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-14 03:45:47,854 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-14 03:45:49,059 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-14 03:45:49,313 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-14 03:45:49,757 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-14 03:45:50,282 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-14 03:45:51,092 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-14 03:45:51,261 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-14 03:45:51,474 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-14 03:45:52,155 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-14 03:45:52,806 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-14 03:45:53,083 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-14 03:45:53,434 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-14 03:45:53,856 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-14 03:45:54,576 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-14 03:45:55,407 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-14 03:45:56,865 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-14 03:45:57,912 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-14 03:45:58,114 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-14 03:45:58,851 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-14 03:45:59,228 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-14 03:45:59,679 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-14 03:46:00,373 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-14 03:46:00,515 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-14 03:46:00,697 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-14 03:46:01,997 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-14 03:46:02,288 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-14 03:46:02,648 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-14 03:46:03,262 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-14 03:46:03,986 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-14 03:46:05,286 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-14 03:46:08,499 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-14 03:46:12,191 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-14 03:46:16,432 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-14 03:46:20,663 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-14 03:46:25,685 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-14 03:46:30,336 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-14 03:46:35,363 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-14 03:46:43,203 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-14 03:46:43,368 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-14 03:46:44,563 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-14 03:46:46,404 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-14 03:46:52,770 WARN L205 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-14 03:46:53,065 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-14 03:46:53,339 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-14 03:46:54,274 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-14 03:46:54,544 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-14 03:46:55,974 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-14 03:46:56,189 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-14 03:46:56,486 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-14 03:46:56,941 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-14 03:46:57,878 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-14 03:46:58,206 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-14 03:46:58,504 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-14 03:46:58,959 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-14 03:46:59,974 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-14 03:47:01,214 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-14 03:47:01,494 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-14 03:47:02,397 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-14 03:47:02,634 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-14 03:47:02,941 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-14 03:47:03,805 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-14 03:47:04,001 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-14 03:47:04,259 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-14 03:47:04,593 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-14 03:47:05,313 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-14 03:47:06,242 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-14 03:47:07,089 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-14 03:47:07,255 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-14 03:47:07,481 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-14 03:47:07,776 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-14 03:47:08,742 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-14 03:47:08,887 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-14 03:47:09,090 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-14 03:47:09,356 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-14 03:47:09,700 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-14 03:47:10,415 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-14 03:47:12,193 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-14 03:47:15,090 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-14 03:47:18,442 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-14 03:47:22,890 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-14 03:47:23,974 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-14 03:47:24,329 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-14 03:47:24,891 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-14 03:47:25,852 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-14 03:47:26,045 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-14 03:47:26,305 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-14 03:47:26,677 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-14 03:47:26,858 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-14 03:47:27,772 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-14 03:47:27,951 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-14 03:47:28,821 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-14 03:47:28,981 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-14 03:47:29,349 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-14 03:47:29,864 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-14 03:47:30,600 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-14 03:47:31,783 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-14 03:47:33,418 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-14 03:47:34,071 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-14 03:47:34,656 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-14 03:47:35,023 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-14 03:47:35,129 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-14 03:47:36,624 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-14 03:47:36,750 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-14 03:47:36,911 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-14 03:47:37,197 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-14 03:47:37,797 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-14 03:47:38,711 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-14 03:47:40,042 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-14 03:47:43,331 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-14 03:47:47,137 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-14 03:47:52,581 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-14 03:48:03,348 WARN L205 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-14 03:48:04,569 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-14 03:48:05,124 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-14 03:48:05,887 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-14 03:48:06,368 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-14 03:48:07,171 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-14 03:48:07,375 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-14 03:48:07,586 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-14 03:48:08,462 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-14 03:48:09,271 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-14 03:48:10,152 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-14 03:48:11,205 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-14 03:48:11,626 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-14 03:48:12,391 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-14 03:48:13,333 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-14 03:48:14,518 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-14 03:48:15,770 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-14 03:48:17,599 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-14 03:48:20,108 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-14 03:48:20,907 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-14 03:48:21,263 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-14 03:48:21,546 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-14 03:48:22,738 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-14 03:48:23,607 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-14 03:48:23,871 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-14 03:48:24,254 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-14 03:48:24,949 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-14 03:48:25,962 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-14 03:48:26,135 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-14 03:48:26,800 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-14 03:48:26,974 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-14 03:48:27,245 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-14 03:48:28,483 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-14 03:48:30,301 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-14 03:48:35,050 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-14 03:48:41,595 WARN L205 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-14 03:48:48,915 WARN L205 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-14 03:48:49,562 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-14 03:48:50,256 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-14 03:48:50,423 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-14 03:48:51,112 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-14 03:48:52,060 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-14 03:48:52,209 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-14 03:48:52,431 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-14 03:48:52,719 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-14 03:48:53,089 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-14 03:48:53,548 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-14 03:48:54,088 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-14 03:48:55,320 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-14 03:48:55,574 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-14 03:48:55,892 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-14 03:48:56,336 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-14 03:48:56,855 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-14 03:48:57,489 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-14 03:48:58,768 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-14 03:48:59,624 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-14 03:48:59,784 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-14 03:49:00,027 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-14 03:49:00,347 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-14 03:49:00,533 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-14 03:49:01,143 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-14 03:49:01,362 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-14 03:49:01,648 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-14 03:49:02,327 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-14 03:49:03,381 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-14 03:49:05,792 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-14 03:49:08,964 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-14 03:49:09,110 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-14 03:49:09,690 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-14 03:49:09,882 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-14 03:49:10,485 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-14 03:49:10,825 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-14 03:49:11,804 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-14 03:49:11,953 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-14 03:49:12,142 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-14 03:49:12,435 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-14 03:49:12,837 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-14 03:49:13,720 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-14 03:49:14,889 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-14 03:49:15,926 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-14 03:49:16,100 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-14 03:49:16,332 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-14 03:49:16,608 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-14 03:49:16,973 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-14 03:49:18,718 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-14 03:49:23,931 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-14 03:49:29,837 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-14 03:49:44,476 WARN L205 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-14 03:50:12,846 WARN L205 SmtUtils]: Spent 28.34 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-14 03:50:13,878 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-14 03:50:14,071 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-14 03:50:45,742 WARN L205 SmtUtils]: Spent 31.66 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-14 03:51:23,407 WARN L205 SmtUtils]: Spent 37.62 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-14 03:51:24,555 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-14 03:51:24,761 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-14 03:51:24,999 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-14 03:52:02,943 WARN L205 SmtUtils]: Spent 37.93 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-14 03:52:41,629 WARN L205 SmtUtils]: Spent 38.64 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-14 03:53:27,334 WARN L205 SmtUtils]: Spent 45.65 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-14 03:53:30,845 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-14 03:53:31,006 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-14 03:53:32,393 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-14 03:53:35,939 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-14 03:53:36,087 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-14 03:53:36,226 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-14 03:53:37,306 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-14 03:53:37,991 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-14 03:53:38,904 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-14 03:53:39,666 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-14 03:53:40,008 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-14 03:53:40,702 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-14 03:53:40,870 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-14 03:53:41,248 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-14 03:53:41,588 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-14 03:53:42,008 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-14 03:53:43,585 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-14 03:53:43,892 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-14 03:53:44,687 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-14 03:53:45,727 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-14 03:53:47,137 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-14 03:53:48,016 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-14 03:53:49,080 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-14 03:53:49,378 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-14 03:53:50,036 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-14 03:53:50,247 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-14 03:53:50,600 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-14 03:53:50,849 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-14 03:53:51,478 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-14 03:53:51,648 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-14 03:53:52,445 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-14 03:53:52,648 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-14 03:53:53,046 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-14 03:53:53,943 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-14 03:53:54,443 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-14 03:53:54,730 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-14 03:53:55,512 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-14 03:53:56,512 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-14 03:53:57,790 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-14 03:53:59,479 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-14 03:54:01,655 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-14 03:54:04,356 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-14 03:54:08,857 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-14 03:54:14,930 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-14 03:54:15,325 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-14 03:54:15,515 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-14 03:54:15,720 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-14 03:54:16,055 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-14 03:54:17,405 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 192 [2021-06-14 03:54:17,527 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-14 03:54:17,693 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-14 03:54:17,935 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-14 03:54:18,313 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-14 03:54:18,835 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-14 03:54:19,115 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-14 03:54:20,292 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-14 03:54:20,453 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-14 03:54:20,659 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-14 03:54:20,943 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-14 03:54:21,312 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-14 03:54:21,872 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-14 03:54:22,456 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-14 03:54:23,672 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-14 03:54:25,092 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-14 03:54:27,006 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-14 03:54:27,233 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-14 03:54:27,502 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-14 03:54:27,669 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-14 03:54:27,848 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-14 03:54:28,944 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-14 03:54:29,139 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-14 03:54:29,388 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-14 03:54:29,732 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-14 03:54:30,203 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-14 03:54:30,378 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-14 03:54:30,553 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-14 03:54:31,608 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-14 03:54:31,791 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-14 03:54:32,056 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-14 03:54:32,440 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-14 03:54:33,405 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-14 03:54:34,703 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-14 03:54:37,970 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-14 03:54:47,406 WARN L205 SmtUtils]: Spent 9.43 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-14 03:54:58,412 WARN L205 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-14 03:55:11,218 WARN L205 SmtUtils]: Spent 12.79 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-14 03:55:24,172 WARN L205 SmtUtils]: Spent 12.94 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-14 03:55:37,463 WARN L205 SmtUtils]: Spent 13.27 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-14 03:55:52,603 WARN L205 SmtUtils]: Spent 15.12 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-14 03:56:55,670 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-14 03:58:04,718 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-14 03:59:14,187 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown