/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:45:13,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:45:13,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:45:13,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:45:13,518 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.epf [2021-07-14 03:45:13,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:45:13,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:45:13,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:45:13,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:45:13,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:45:13,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:45:13,545 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:45:13,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:45:13,545 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:45:13,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:45:13,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:45:13,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:45:13,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:45:13,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:45:13,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:45:13,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:45:13,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:45:13,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:45:13,575 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:45:13,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:45:13,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:45:13,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:45:13,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:45:13,873 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:45:13,875 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:45:13,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-07-14 03:45:13,876 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-07-14 03:45:13,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:45:13,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:45:13,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:45:13,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:45:13,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:45:13,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:45:13,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:45:13,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:45:13,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:45:13,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... [2021-07-14 03:45:13,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:45:13,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:45:13,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:45:13,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:45:13,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:45:14,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:45:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:45:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:45:14,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:45:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:45:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:45:14,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:45:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:45:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:45:14,008 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:45:14,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:45:14,185 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 03:45:14,187 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:45:14 BoogieIcfgContainer [2021-07-14 03:45:14,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:45:14,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:45:14,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:45:14,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:45:14,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:45:13" (1/2) ... [2021-07-14 03:45:14,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528e4d0b and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:45:14, skipping insertion in model container [2021-07-14 03:45:14,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:45:14" (2/2) ... [2021-07-14 03:45:14,192 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-07-14 03:45:14,195 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:45:14,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:45:14,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:45:14,196 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:45:14,249 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:45:14,271 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:45:14,319 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:45:14,319 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:45:14,320 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:45:14,320 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:45:14,320 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:45:14,320 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:45:14,320 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:45:14,320 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:45:14,389 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:14,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:14,396 INFO L82 PathProgramCache]: Analyzing trace with hash -725077200, now seen corresponding path program 1 times [2021-07-14 03:45:14,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:14,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201429925] [2021-07-14 03:45:14,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:14,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:14,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201429925] [2021-07-14 03:45:14,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201429925] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:45:14,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:45:14,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 03:45:14,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428699245] [2021-07-14 03:45:14,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 03:45:14,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:45:14,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 03:45:14,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 03:45:14,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:14,670 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:45:14,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 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) [2021-07-14 03:45:14,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:14,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:14,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:45:14,790 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:14,792 INFO L82 PathProgramCache]: Analyzing trace with hash 18255981, now seen corresponding path program 1 times [2021-07-14 03:45:14,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:14,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166721757] [2021-07-14 03:45:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:45:14,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:14,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166721757] [2021-07-14 03:45:14,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166721757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:14,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461844103] [2021-07-14 03:45:14,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:14,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 03:45:14,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:45:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:14,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461844103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:14,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:45:14,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-07-14 03:45:14,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413627214] [2021-07-14 03:45:14,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 03:45:14,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:45:14,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 03:45:14,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-14 03:45:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:14,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:45:14,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:45:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:14,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:15,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:15,325 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:15,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:15,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2008734832, now seen corresponding path program 1 times [2021-07-14 03:45:15,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:15,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778065883] [2021-07-14 03:45:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:15,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:15,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778065883] [2021-07-14 03:45:15,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778065883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:15,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309928908] [2021-07-14 03:45:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:15,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 03:45:15,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:45:16,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-07-14 03:45:16,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:45:16,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:45:16,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:45:16,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:10 [2021-07-14 03:45:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:16,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309928908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:16,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:45:16,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 19 [2021-07-14 03:45:16,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122324142] [2021-07-14 03:45:16,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 03:45:16,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:45:16,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 03:45:16,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-07-14 03:45:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:16,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:45:16,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:45:16,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:16,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:16,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:16,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:16,835 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:16,835 INFO L82 PathProgramCache]: Analyzing trace with hash -401944231, now seen corresponding path program 1 times [2021-07-14 03:45:16,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:16,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532805534] [2021-07-14 03:45:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:16,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:16,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532805534] [2021-07-14 03:45:16,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532805534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:16,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428309045] [2021-07-14 03:45:16,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:16,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 03:45:16,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:45:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:17,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428309045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:17,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:45:17,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 03:45:17,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188986687] [2021-07-14 03:45:17,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:45:17,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:45:17,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:45:17,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:45:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:17,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:45:17,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:45:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:17,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:45:17,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:17,394 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:17,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:17,394 INFO L82 PathProgramCache]: Analyzing trace with hash -287542864, now seen corresponding path program 2 times [2021-07-14 03:45:17,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:17,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791434547] [2021-07-14 03:45:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:18,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:18,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791434547] [2021-07-14 03:45:18,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791434547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:18,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034155367] [2021-07-14 03:45:18,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:18,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:45:18,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:45:18,337 WARN L261 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 03:45:18,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:45:18,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2021-07-14 03:45:18,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:45:18,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:45:18,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:45:18,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:10 [2021-07-14 03:45:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:19,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034155367] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:19,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:45:19,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 35 [2021-07-14 03:45:19,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934152686] [2021-07-14 03:45:19,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 03:45:19,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:45:19,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 03:45:19,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 03:45:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:19,033 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:45:19,034 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:45:19,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:19,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:19,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:19,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:45:19,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:20,497 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-07-14 03:45:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:21,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:21,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:21,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:45:21,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 03:45:21,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:21,908 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:21,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:21,908 INFO L82 PathProgramCache]: Analyzing trace with hash -54895035, now seen corresponding path program 2 times [2021-07-14 03:45:21,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:21,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843222809] [2021-07-14 03:45:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 110 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:22,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:22,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843222809] [2021-07-14 03:45:22,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843222809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:22,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445271576] [2021-07-14 03:45:22,110 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:22,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:45:22,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:45:22,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:45:22,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:45:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 139 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:22,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445271576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:22,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:45:22,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 03:45:22,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107203053] [2021-07-14 03:45:22,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 03:45:22,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:45:22,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 03:45:22,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 03:45:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:22,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:45:22,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:45:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:45:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 03:45:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:45:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:45:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:45:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:45:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:45:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 03:45:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:45:22,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:22,828 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:45:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:45:22,829 INFO L82 PathProgramCache]: Analyzing trace with hash -365774480, now seen corresponding path program 3 times [2021-07-14 03:45:22,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:45:22,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052759460] [2021-07-14 03:45:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:45:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:45:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 91 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:45:25,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:45:25,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052759460] [2021-07-14 03:45:25,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052759460] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:45:25,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722060801] [2021-07-14 03:45:25,397 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:45:25,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-14 03:45:25,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:45:25,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 03:45:25,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:45:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:29,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 03:45:30,760 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-07-14 03:45:30,760 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:45:30,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 66 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 70 case distinctions, treesize of input 136 treesize of output 768 [2021-07-14 03:45:31,122 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 685 [2021-07-14 03:45:31,418 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 720 [2021-07-14 03:45:35,791 WARN L205 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 5436 DAG size of output: 3424 [2021-07-14 03:45:41,499 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 5467 DAG size of output: 3455 [2021-07-14 03:45:46,245 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 3226 DAG size of output: 3224 [2021-07-14 03:45:46,890 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2021-07-14 03:45:47,517 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 678 [2021-07-14 03:45:48,153 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-14 03:45:48,755 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 695 [2021-07-14 03:45:49,093 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 633 [2021-07-14 03:45:49,293 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 572 [2021-07-14 03:45:49,449 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-14 03:45:49,593 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 496 [2021-07-14 03:45:49,713 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 452 [2021-07-14 03:45:49,948 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 373 [2021-07-14 03:45:50,744 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 494 [2021-07-14 03:45:50,978 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 535 [2021-07-14 03:45:51,252 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 571 [2021-07-14 03:45:51,583 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 03:45:51,984 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 671 [2021-07-14 03:45:52,509 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 699 [2021-07-14 03:45:53,116 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 769 [2021-07-14 03:45:54,080 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 847 [2021-07-14 03:45:55,488 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 959 DAG size of output: 903 [2021-07-14 03:45:57,422 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1009 DAG size of output: 952 [2021-07-14 03:45:59,940 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1060 DAG size of output: 1003 [2021-07-14 03:46:08,619 WARN L205 SmtUtils]: Spent 8.66 s on a formula simplification. DAG size of input: 2953 DAG size of output: 3101 [2021-07-14 03:46:17,264 WARN L205 SmtUtils]: Spent 8.62 s on a formula simplification. DAG size of input: 2949 DAG size of output: 3049 [2021-07-14 03:46:21,071 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 2943 DAG size of output: 2943 [2021-07-14 03:46:21,707 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 702 [2021-07-14 03:46:21,955 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 658 [2021-07-14 03:46:22,417 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 625 [2021-07-14 03:46:22,881 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 608 [2021-07-14 03:46:23,083 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 600 [2021-07-14 03:46:23,690 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 492 [2021-07-14 03:46:23,835 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 542 [2021-07-14 03:46:24,020 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 603 [2021-07-14 03:46:24,232 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 655 [2021-07-14 03:46:24,394 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 559 [2021-07-14 03:46:24,521 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2021-07-14 03:46:25,332 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 530 [2021-07-14 03:46:25,486 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 574 [2021-07-14 03:46:25,677 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 622 [2021-07-14 03:46:25,917 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 654 [2021-07-14 03:46:26,419 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 988 [2021-07-14 03:46:27,232 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 1263 DAG size of output: 1072 [2021-07-14 03:46:28,419 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1345 DAG size of output: 1151 [2021-07-14 03:46:29,840 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1413 DAG size of output: 1213 [2021-07-14 03:46:31,750 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1521 DAG size of output: 1318 [2021-07-14 03:46:34,790 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 2750 DAG size of output: 2750 [2021-07-14 03:46:37,231 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 2449 DAG size of output: 2449 [2021-07-14 03:46:37,746 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 637 [2021-07-14 03:46:38,205 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 597 [2021-07-14 03:46:38,398 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 576 [2021-07-14 03:46:38,563 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2021-07-14 03:46:38,706 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 501 [2021-07-14 03:46:39,546 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 460 [2021-07-14 03:46:39,707 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 501 [2021-07-14 03:46:39,911 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 545 [2021-07-14 03:46:40,172 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 593 [2021-07-14 03:46:40,490 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 684 [2021-07-14 03:46:40,874 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 729 [2021-07-14 03:46:41,350 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 763 [2021-07-14 03:46:41,932 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 814 [2021-07-14 03:46:42,804 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 875 [2021-07-14 03:46:44,070 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1047 DAG size of output: 986 [2021-07-14 03:46:45,917 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2139 DAG size of output: 2139 [2021-07-14 03:46:47,358 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1936 DAG size of output: 1936 [2021-07-14 03:46:47,598 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 444 [2021-07-14 03:46:48,541 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 498 [2021-07-14 03:46:48,714 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 548 [2021-07-14 03:46:48,941 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 619 [2021-07-14 03:46:49,313 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 713 DAG size of output: 665 [2021-07-14 03:46:50,434 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1735 DAG size of output: 1735 [2021-07-14 03:46:51,241 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1445 [2021-07-14 03:46:51,506 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 441 [2021-07-14 03:46:51,755 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 422 [2021-07-14 03:46:52,606 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 441 [2021-07-14 03:46:52,759 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 497 [2021-07-14 03:46:52,949 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 538 [2021-07-14 03:46:53,187 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 582 [2021-07-14 03:46:53,574 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 646 [2021-07-14 03:46:54,149 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 704 [2021-07-14 03:46:55,324 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1105 DAG size of output: 1135 [2021-07-14 03:46:55,818 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 1100 [2021-07-14 03:46:56,416 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 400 [2021-07-14 03:46:57,154 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 410 [2021-07-14 03:46:57,296 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 454 [2021-07-14 03:46:57,483 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 479 [2021-07-14 03:46:57,731 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 527 [2021-07-14 03:46:57,999 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 718 [2021-07-14 03:46:58,489 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 376 [2021-07-14 03:46:58,629 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 404 [2021-07-14 03:46:58,809 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 578 [2021-07-14 03:46:59,784 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 516 [2021-07-14 03:47:00,021 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 623 [2021-07-14 03:47:00,527 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 266 [2021-07-14 03:47:00,659 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 294 [2021-07-14 03:47:01,106 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 778 [2021-07-14 03:47:01,826 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 975 [2021-07-14 03:47:03,115 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1562 DAG size of output: 1479 [2021-07-14 03:47:05,235 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1668 [2021-07-14 03:47:05,422 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 294 [2021-07-14 03:47:06,226 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 434 [2021-07-14 03:47:06,485 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 485 [2021-07-14 03:47:06,812 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 513 [2021-07-14 03:47:10,413 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 2438 DAG size of output: 2310 [2021-07-14 03:47:10,563 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-14 03:47:10,671 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2021-07-14 03:47:10,934 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 421 [2021-07-14 03:47:11,638 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 572 [2021-07-14 03:47:11,835 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 597 [2021-07-14 03:47:12,144 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 641 [2021-07-14 03:47:12,527 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 685 [2021-07-14 03:47:13,005 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 758 [2021-07-14 03:47:13,611 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 804 [2021-07-14 03:47:18,431 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 2914 DAG size of output: 2769 [2021-07-14 03:47:24,507 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 3279 DAG size of output: 3103 [2021-07-14 03:47:24,867 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 519 [2021-07-14 03:47:25,172 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-07-14 03:47:25,296 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2021-07-14 03:47:25,863 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 472 [2021-07-14 03:47:26,691 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 501 [2021-07-14 03:47:26,876 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 548 [2021-07-14 03:47:27,102 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 587 [2021-07-14 03:47:27,493 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 788 [2021-07-14 03:47:27,982 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 944 DAG size of output: 821 [2021-07-14 03:47:28,693 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 901 [2021-07-14 03:47:29,699 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 976 [2021-07-14 03:47:37,855 WARN L205 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 3871 DAG size of output: 3614 [2021-07-14 03:47:48,661 WARN L205 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 4463 DAG size of output: 4175 [2021-07-14 03:47:49,153 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 610 [2021-07-14 03:47:49,354 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-14 03:47:49,512 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 538 [2021-07-14 03:47:49,643 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 486 [2021-07-14 03:47:50,056 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 304 [2021-07-14 03:47:50,675 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 490 [2021-07-14 03:47:50,890 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 550 [2021-07-14 03:47:51,143 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 606 [2021-07-14 03:47:51,448 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 687 [2021-07-14 03:47:51,835 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 729 [2021-07-14 03:47:52,316 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 790 [2021-07-14 03:47:52,884 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 904 DAG size of output: 849 [2021-07-14 03:47:53,751 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 924 [2021-07-14 03:48:07,015 WARN L205 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 4998 DAG size of output: 4686 [2021-07-14 03:48:24,300 WARN L205 SmtUtils]: Spent 17.26 s on a formula simplification. DAG size of input: 5729 DAG size of output: 5275 [2021-07-14 03:48:47,888 WARN L205 SmtUtils]: Spent 23.53 s on a formula simplification. DAG size of input: 6332 DAG size of output: 5875 [2021-07-14 03:49:18,570 WARN L205 SmtUtils]: Spent 30.64 s on a formula simplification. DAG size of input: 6750 DAG size of output: 6292 [2021-07-14 03:49:55,675 WARN L205 SmtUtils]: Spent 37.06 s on a formula simplification. DAG size of input: 7265 DAG size of output: 6771 [2021-07-14 03:50:32,977 WARN L205 SmtUtils]: Spent 37.26 s on a formula simplification. DAG size of input: 7265 DAG size of output: 6771 [2021-07-14 03:51:12,246 WARN L205 SmtUtils]: Spent 39.07 s on a formula simplification. DAG size of input: 7271 DAG size of output: 6777 [2021-07-14 03:52:34,510 WARN L205 SmtUtils]: Spent 1.37 m on a formula simplification. DAG size of input: 6552 DAG size of output: 7504 [2021-07-14 03:53:10,557 WARN L205 SmtUtils]: Spent 35.96 s on a formula simplification. DAG size of input: 6510 DAG size of output: 6488 [2021-07-14 03:53:40,277 WARN L205 SmtUtils]: Spent 29.67 s on a formula simplification. DAG size of input: 6052 DAG size of output: 6030 [2021-07-14 03:54:29,776 WARN L205 SmtUtils]: Spent 49.44 s on a formula simplification. DAG size of input: 5640 DAG size of output: 6141 [2021-07-14 03:54:50,272 WARN L205 SmtUtils]: Spent 20.42 s on a formula simplification. DAG size of input: 5633 DAG size of output: 5611 [2021-07-14 03:54:53,886 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 2769 DAG size of output: 2769 [2021-07-14 03:55:00,260 WARN L205 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 2602 DAG size of output: 2754 [2021-07-14 03:55:03,133 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 2597 DAG size of output: 2597 [2021-07-14 03:55:03,329 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 553 [2021-07-14 03:55:04,023 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 522 [2021-07-14 03:55:04,175 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 499 [2021-07-14 03:55:04,564 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 449 [2021-07-14 03:55:05,767 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 613 [2021-07-14 03:55:05,987 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 729 [2021-07-14 03:55:06,226 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 879 [2021-07-14 03:55:06,644 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 993 [2021-07-14 03:55:07,065 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 1327 DAG size of output: 1117 [2021-07-14 03:55:07,611 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 1422 DAG size of output: 1200 [2021-07-14 03:55:08,314 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 1673 DAG size of output: 1388 [2021-07-14 03:55:09,297 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1946 DAG size of output: 1643 [2021-07-14 03:55:10,544 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 2153 DAG size of output: 1805 [2021-07-14 03:55:15,778 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2315 DAG size of output: 2397 [2021-07-14 03:55:18,075 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 2309 DAG size of output: 2309 [2021-07-14 03:55:19,799 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 2021 DAG size of output: 2021 [2021-07-14 03:55:21,138 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1845 DAG size of output: 1845 [2021-07-14 03:55:22,078 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 647 [2021-07-14 03:55:22,351 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 738 [2021-07-14 03:55:22,715 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 881 [2021-07-14 03:55:23,764 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1655 [2021-07-14 03:55:23,894 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 511 [2021-07-14 03:55:24,043 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2021-07-14 03:55:25,031 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 743 [2021-07-14 03:55:25,262 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 810 [2021-07-14 03:55:25,501 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 897 [2021-07-14 03:55:25,856 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1006 [2021-07-14 03:55:26,394 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1116 [2021-07-14 03:55:27,153 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 1376 DAG size of output: 1376 [2021-07-14 03:55:27,966 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 521 [2021-07-14 03:55:28,428 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 1051 [2021-07-14 03:55:29,337 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 621 [2021-07-14 03:55:29,582 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 686 [2021-07-14 03:55:29,750 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 557 [2021-07-14 03:55:30,950 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 767 [2021-07-14 03:55:31,197 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1078 [2021-07-14 03:55:32,026 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 1537 DAG size of output: 1395 [2021-07-14 03:55:32,732 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 611 [2021-07-14 03:55:33,558 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 2467 DAG size of output: 2231 [2021-07-14 03:55:34,417 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 556 [2021-07-14 03:55:34,632 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 670 [2021-07-14 03:55:34,940 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 788 [2021-07-14 03:55:36,378 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 3287 DAG size of output: 2966 [2021-07-14 03:55:38,624 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 4107 DAG size of output: 3720 [2021-07-14 03:55:41,583 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 4586 DAG size of output: 4165 [2021-07-14 03:55:41,755 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 439 [2021-07-14 03:55:41,960 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 404 [2021-07-14 03:55:42,838 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 706 [2021-07-14 03:55:43,070 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 794 [2021-07-14 03:55:43,407 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 905 [2021-07-14 03:55:43,853 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 940 [2021-07-14 03:55:44,303 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 1042 [2021-07-14 03:55:48,361 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 5229 DAG size of output: 4760 [2021-07-14 03:55:48,892 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 602 [2021-07-14 03:55:49,319 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 588 [2021-07-14 03:55:49,632 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 520 [2021-07-14 03:55:49,742 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 393 [2021-07-14 03:55:50,195 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 365 [2021-07-14 03:55:50,556 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 294 [2021-07-14 03:55:51,136 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 737 [2021-07-14 03:55:51,346 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 909 [2021-07-14 03:55:51,636 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 1099 [2021-07-14 03:55:52,140 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1349 DAG size of output: 1299 [2021-07-14 03:55:52,709 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 1536 DAG size of output: 1486 [2021-07-14 03:55:53,461 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 1861 DAG size of output: 1796 [2021-07-14 03:55:54,514 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 2158 DAG size of output: 2093 [2021-07-14 03:55:55,954 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 2489 DAG size of output: 2423 [2021-07-14 03:55:57,885 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 2813 DAG size of output: 2746 [2021-07-14 03:56:04,458 WARN L205 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 7471 DAG size of output: 6868 [2021-07-14 03:56:14,437 WARN L205 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 8840 DAG size of output: 8187 [2021-07-14 03:56:27,189 WARN L205 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 10182 DAG size of output: 9404 [2021-07-14 03:56:44,681 WARN L205 SmtUtils]: Spent 17.43 s on a formula simplification. DAG size of input: 11800 DAG size of output: 10972 [2021-07-14 03:56:45,377 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 640 [2021-07-14 03:56:45,938 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 616 [2021-07-14 03:56:46,390 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 637 [2021-07-14 03:56:46,776 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 542 [2021-07-14 03:56:47,097 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-14 03:56:47,388 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 567 [2021-07-14 03:56:47,629 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 496 [2021-07-14 03:56:47,824 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 471 [2021-07-14 03:56:48,807 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 981 DAG size of output: 939 [2021-07-14 03:56:49,063 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 1076 [2021-07-14 03:56:49,574 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1368 DAG size of output: 1332 [2021-07-14 03:56:50,310 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 1818 DAG size of output: 1780 [2021-07-14 03:56:51,074 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 2091 DAG size of output: 2054 [2021-07-14 03:56:52,103 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2373 DAG size of output: 2336 [2021-07-14 03:56:53,479 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 2670 DAG size of output: 2633 [2021-07-14 03:56:55,242 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 2757 DAG size of output: 2720 [2021-07-14 03:56:57,468 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 3068 DAG size of output: 3031 [2021-07-14 03:57:00,368 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 3412 DAG size of output: 3375 [2021-07-14 03:57:03,848 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 3740 DAG size of output: 3703 [2021-07-14 03:57:08,105 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 3780 DAG size of output: 3743 [2021-07-14 03:57:32,371 WARN L205 SmtUtils]: Spent 24.23 s on a formula simplification. DAG size of input: 13975 DAG size of output: 13102 [2021-07-14 03:57:44,695 WARN L205 SmtUtils]: Spent 12.24 s on a formula simplification. DAG size of input: 4542 DAG size of output: 4521 [2021-07-14 03:57:45,490 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 905 [2021-07-14 03:57:45,675 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2021-07-14 03:57:46,439 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 524 [2021-07-14 03:57:46,588 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 497 [2021-07-14 03:57:46,707 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2021-07-14 03:57:47,644 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 595 [2021-07-14 03:57:47,881 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 741 [2021-07-14 03:57:48,191 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 852 [2021-07-14 03:57:48,654 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 1020 [2021-07-14 03:57:49,083 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 1325 DAG size of output: 1144 [2021-07-14 03:57:49,793 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 1503 DAG size of output: 1290 [2021-07-14 03:57:50,655 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1385 [2021-07-14 03:57:51,900 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1878 DAG size of output: 1600 [2021-07-14 03:57:53,121 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 2121 DAG size of output: 1826 [2021-07-14 03:57:54,640 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 2336 DAG size of output: 2001 [2021-07-14 03:57:55,456 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 570 [2021-07-14 03:57:55,650 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 607 [2021-07-14 03:57:55,894 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 669 [2021-07-14 03:57:56,185 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 692 [2021-07-14 03:57:56,544 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 766 [2021-07-14 03:57:57,010 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 779 [2021-07-14 03:57:57,816 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 845 [2021-07-14 03:57:58,122 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 693 [2021-07-14 03:57:58,719 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 545 [2021-07-14 03:57:58,874 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 611 [2021-07-14 03:57:59,076 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 653 [2021-07-14 03:57:59,317 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 648 [2021-07-14 03:57:59,933 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 612 [2021-07-14 03:58:00,107 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 645 [2021-07-14 03:58:00,564 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 606 [2021-07-14 03:58:02,297 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 668 [2021-07-14 03:58:02,452 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 803 [2021-07-14 03:58:04,139 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 2903 DAG size of output: 2652 [2021-07-14 03:58:05,968 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 3379 DAG size of output: 3082 [2021-07-14 03:58:08,355 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 3692 DAG size of output: 3364 [2021-07-14 03:58:11,555 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 4097 DAG size of output: 3755 [2021-07-14 03:58:12,566 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 529 [2021-07-14 03:58:12,720 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 575 [2021-07-14 03:58:12,911 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 651 [2021-07-14 03:58:13,242 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 743 [2021-07-14 03:58:13,636 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 782 [2021-07-14 03:58:17,726 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 4633 DAG size of output: 4244 [2021-07-14 03:58:24,619 WARN L205 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5356 [2021-07-14 03:58:34,567 WARN L205 SmtUtils]: Spent 9.90 s on a formula simplification. DAG size of input: 4049 DAG size of output: 4028 [2021-07-14 03:58:37,278 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1003 DAG size of output: 1053 [2021-07-14 03:58:39,601 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 979 DAG size of output: 1088 [2021-07-14 03:58:41,468 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 925 DAG size of output: 1039 [2021-07-14 03:58:43,033 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 837 DAG size of output: 891 [2021-07-14 03:58:44,554 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 834 DAG size of output: 843 [2021-07-14 03:58:45,857 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 822 DAG size of output: 846 [2021-07-14 03:58:46,994 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 802 DAG size of output: 845 [2021-07-14 03:58:47,972 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 775 [2021-07-14 03:58:48,315 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 736 [2021-07-14 03:58:49,047 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 1195 [2021-07-14 03:58:49,280 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1414 [2021-07-14 03:58:49,598 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1616 DAG size of output: 1598 [2021-07-14 03:58:50,104 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 717 [2021-07-14 03:58:50,272 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 586 [2021-07-14 03:58:50,496 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 354 [2021-07-14 03:58:51,093 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1143 [2021-07-14 03:58:51,897 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 1975 DAG size of output: 1861 [2021-07-14 03:58:52,520 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 889 [2021-07-14 03:58:52,724 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1060 [2021-07-14 03:58:53,881 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 2941 DAG size of output: 2801 [2021-07-14 03:58:55,197 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 3375 DAG size of output: 3232 [2021-07-14 03:58:57,376 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 4463 DAG size of output: 4312 [2021-07-14 03:59:00,461 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 4777 DAG size of output: 4625 [2021-07-14 03:59:04,647 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 5267 DAG size of output: 5113 [2021-07-14 03:59:10,169 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 5837 DAG size of output: 5682 [2021-07-14 03:59:17,334 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 6374 DAG size of output: 6218 [2021-07-14 03:59:26,369 WARN L205 SmtUtils]: Spent 8.99 s on a formula simplification. DAG size of input: 6719 DAG size of output: 6561 [2021-07-14 03:59:37,699 WARN L205 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 7099 DAG size of output: 6940 Received shutdown request... [2021-07-14 03:59:51,801 WARN L205 SmtUtils]: Spent 14.05 s on a formula simplification. DAG size of input: 7698 DAG size of output: 7537 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown