/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-MCR.epf -i ../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-abd8500 [2020-01-16 22:43:40,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-01-16 22:43:40,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-01-16 22:43:40,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-01-16 22:43:40,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-01-16 22:43:40,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-01-16 22:43:40,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-01-16 22:43:40,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-01-16 22:43:40,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-01-16 22:43:40,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-01-16 22:43:40,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-01-16 22:43:40,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-01-16 22:43:40,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-01-16 22:43:40,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-01-16 22:43:40,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-01-16 22:43:40,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-01-16 22:43:40,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-01-16 22:43:40,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-01-16 22:43:40,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-01-16 22:43:40,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-01-16 22:43:40,201 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-PN-SemanticLbe-MCR.epf [2020-01-16 22:43:40,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-01-16 22:43:40,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-01-16 22:43:40,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-01-16 22:43:40,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-01-16 22:43:40,241 INFO L138 SettingsManager]: * Use SBE=true [2020-01-16 22:43:40,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-01-16 22:43:40,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-01-16 22:43:40,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-01-16 22:43:40,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-01-16 22:43:40,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-01-16 22:43:40,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-01-16 22:43:40,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-01-16 22:43:40,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-01-16 22:43:40,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-01-16 22:43:40,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-01-16 22:43:40,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-01-16 22:43:40,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-01-16 22:43:40,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-01-16 22:43:40,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-01-16 22:43:40,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-01-16 22:43:40,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-01-16 22:43:40,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-01-16 22:43:40,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-01-16 22:43:40,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-01-16 22:43:40,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-01-16 22:43:40,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-01-16 22:43:40,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-01-16 22:43:40,247 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-01-16 22:43:40,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-01-16 22:43:40,247 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-01-16 22:43:40,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-01-16 22:43:40,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-01-16 22:43:40,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-01-16 22:43:40,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-01-16 22:43:40,521 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-01-16 22:43:40,522 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-01-16 22:43:40,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl [2020-01-16 22:43:40,524 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_7.bpl' [2020-01-16 22:43:40,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-01-16 22:43:40,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-01-16 22:43:40,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-01-16 22:43:40,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-01-16 22:43:40,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-01-16 22:43:40,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-01-16 22:43:40,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-01-16 22:43:40,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-01-16 22:43:40,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-01-16 22:43:40,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/1) ... [2020-01-16 22:43:40,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-01-16 22:43:40,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-01-16 22:43:40,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-01-16 22:43:40,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-01-16 22:43:40,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (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 [2020-01-16 22:43:40,694 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2020-01-16 22:43:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2020-01-16 22:43:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2020-01-16 22:43:40,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2020-01-16 22:43:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2020-01-16 22:43:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2020-01-16 22:43:40,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2020-01-16 22:43:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2020-01-16 22:43:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2020-01-16 22:43:40,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2020-01-16 22:43:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2020-01-16 22:43:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2020-01-16 22:43:40,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2020-01-16 22:43:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2020-01-16 22:43:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2020-01-16 22:43:40,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-01-16 22:43:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-01-16 22:43:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-01-16 22:43:40,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2020-01-16 22:43:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2020-01-16 22:43:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2020-01-16 22:43:40,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2020-01-16 22:43:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2020-01-16 22:43:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2020-01-16 22:43:40,703 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-01-16 22:43:40,893 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-01-16 22:43:40,893 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2020-01-16 22:43:40,895 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 10:43:40 BoogieIcfgContainer [2020-01-16 22:43:40,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-01-16 22:43:40,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-01-16 22:43:40,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-01-16 22:43:40,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-01-16 22:43:40,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.01 10:43:40" (1/2) ... [2020-01-16 22:43:40,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd55e4a and model type example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.01 10:43:40, skipping insertion in model container [2020-01-16 22:43:40,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.01 10:43:40" (2/2) ... [2020-01-16 22:43:40,903 INFO L109 eAbstractionObserver]: Analyzing ICFG example_7.bpl [2020-01-16 22:43:40,913 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-01-16 22:43:40,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-01-16 22:43:40,921 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-01-16 22:43:41,160 INFO L250 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-01-16 22:43:41,179 INFO L374 AbstractCegarLoop]: Interprodecural is true [2020-01-16 22:43:41,179 INFO L375 AbstractCegarLoop]: Hoare is false [2020-01-16 22:43:41,179 INFO L376 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-01-16 22:43:41,180 INFO L377 AbstractCegarLoop]: Backedges is MCR [2020-01-16 22:43:41,180 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-01-16 22:43:41,180 INFO L379 AbstractCegarLoop]: Difference is false [2020-01-16 22:43:41,180 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-01-16 22:43:41,180 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-01-16 22:43:41,201 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 80 transitions [2020-01-16 22:43:41,203 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 80 transitions [2020-01-16 22:43:41,473 INFO L129 PetriNetUnfolder]: 321/472 cut-off events. [2020-01-16 22:43:41,487 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2020-01-16 22:43:41,508 INFO L76 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 472 events. 321/472 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1550 event pairs. 0/471 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2020-01-16 22:43:41,522 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 80 transitions [2020-01-16 22:43:41,617 INFO L129 PetriNetUnfolder]: 321/472 cut-off events. [2020-01-16 22:43:41,617 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2020-01-16 22:43:41,621 INFO L76 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 472 events. 321/472 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1550 event pairs. 0/471 useless extension candidates. Maximal degree in co-relation 416. Up to 140 conditions per place. [2020-01-16 22:43:41,631 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-01-16 22:43:41,632 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-01-16 22:43:41,785 INFO L206 etLargeBlockEncoding]: Checked pairs total: 357 [2020-01-16 22:43:41,786 INFO L214 etLargeBlockEncoding]: Total number of compositions: 8 [2020-01-16 22:43:41,786 INFO L162 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2020-01-16 22:43:41,849 INFO L129 PetriNetUnfolder]: 321/462 cut-off events. [2020-01-16 22:43:41,849 INFO L130 PetriNetUnfolder]: For 448/448 co-relation queries the response was YES. [2020-01-16 22:43:41,849 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:43:41,850 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:43:41,851 INFO L426 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:43:41,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:43:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 796862756, now seen corresponding path program 1 times [2020-01-16 22:43:41,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:43:41,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449989475] [2020-01-16 22:43:41,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:43:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:43:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:43:42,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449989475] [2020-01-16 22:43:42,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:43:42,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 22:43:42,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [443017573] [2020-01-16 22:43:42,057 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:43:42,072 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:43:42,199 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:43:42,200 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:43:42,215 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2020-01-16 22:43:42,216 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 22:43:42,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:43:42,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 22:43:42,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 22:43:42,232 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 88 [2020-01-16 22:43:42,234 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 72 transitions. Second operand 3 states. [2020-01-16 22:43:42,234 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:43:42,234 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 88 [2020-01-16 22:43:42,236 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:43:42,346 INFO L129 PetriNetUnfolder]: 285/421 cut-off events. [2020-01-16 22:43:42,346 INFO L130 PetriNetUnfolder]: For 541/541 co-relation queries the response was YES. [2020-01-16 22:43:42,349 INFO L76 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 421 events. 285/421 cut-off events. For 541/541 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1593 event pairs. 7/427 useless extension candidates. Maximal degree in co-relation 410. Up to 140 conditions per place. [2020-01-16 22:43:42,349 INFO L123 encePairwiseOnDemand]: 85/88 looper letters, 5 selfloop transitions, 3 changer transitions [2020-01-16 22:43:42,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 22:43:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 22:43:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2020-01-16 22:43:42,357 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 22:43:42,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2020-01-16 22:43:42,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2020-01-16 22:43:42,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:43:42,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2020-01-16 22:43:42,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 22:43:42,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 22:43:42,387 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 22:43:42,390 INFO L174 Difference]: Start difference. First operand has 51 places, 72 transitions. Second operand 3 states and 248 transitions. [2020-01-16 22:43:42,391 INFO L199 Difference]: Finished difference. Result has 53 places, 63 transitions [2020-01-16 22:43:42,394 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=53, PETRI_TRANSITIONS=63} [2020-01-16 22:43:42,397 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 53 places, 63 transitions [2020-01-16 22:43:42,397 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 53 places, 63 transitions [2020-01-16 22:43:42,445 INFO L129 PetriNetUnfolder]: 285/421 cut-off events. [2020-01-16 22:43:42,445 INFO L130 PetriNetUnfolder]: For 406/406 co-relation queries the response was YES. [2020-01-16 22:43:42,448 INFO L76 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 421 events. 285/421 cut-off events. For 406/406 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1409 event pairs. 0/420 useless extension candidates. Maximal degree in co-relation 830. Up to 140 conditions per place. [2020-01-16 22:43:42,452 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 8 of 53 places, 0 of 63 transitions, 1 of 289 flow. [2020-01-16 22:43:42,454 INFO L478 AbstractCegarLoop]: Abstraction has has 45 places, 63 transitions [2020-01-16 22:43:42,454 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 22:43:42,511 INFO L129 PetriNetUnfolder]: 285/419 cut-off events. [2020-01-16 22:43:42,511 INFO L130 PetriNetUnfolder]: For 406/406 co-relation queries the response was YES. [2020-01-16 22:43:42,511 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:43:42,512 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:43:42,512 INFO L426 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:43:42,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:43:42,513 INFO L82 PathProgramCache]: Analyzing trace with hash -2089357870, now seen corresponding path program 1 times [2020-01-16 22:43:42,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:43:42,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24537609] [2020-01-16 22:43:42,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:43:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:43:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:43:42,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24537609] [2020-01-16 22:43:42,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:43:42,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 22:43:42,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [166508353] [2020-01-16 22:43:42,583 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:43:42,588 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:43:42,685 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:43:42,686 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:43:42,697 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 5 times. [2020-01-16 22:43:42,699 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 22:43:42,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:43:42,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 22:43:42,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 22:43:42,703 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 88 [2020-01-16 22:43:42,703 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 63 transitions. Second operand 3 states. [2020-01-16 22:43:42,703 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:43:42,704 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 88 [2020-01-16 22:43:42,704 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:43:42,758 INFO L129 PetriNetUnfolder]: 110/190 cut-off events. [2020-01-16 22:43:42,760 INFO L130 PetriNetUnfolder]: For 343/343 co-relation queries the response was YES. [2020-01-16 22:43:42,764 INFO L76 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 190 events. 110/190 cut-off events. For 343/343 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 641 event pairs. 51/240 useless extension candidates. Maximal degree in co-relation 332. Up to 60 conditions per place. [2020-01-16 22:43:42,766 INFO L123 encePairwiseOnDemand]: 82/88 looper letters, 2 selfloop transitions, 6 changer transitions [2020-01-16 22:43:42,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 22:43:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 22:43:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2020-01-16 22:43:42,774 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 22:43:42,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2020-01-16 22:43:42,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2020-01-16 22:43:42,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:43:42,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2020-01-16 22:43:42,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 22:43:42,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 22:43:42,781 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 22:43:42,781 INFO L174 Difference]: Start difference. First operand has 45 places, 63 transitions. Second operand 3 states and 248 transitions. [2020-01-16 22:43:42,782 INFO L199 Difference]: Finished difference. Result has 47 places, 58 transitions [2020-01-16 22:43:42,782 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=47, PETRI_TRANSITIONS=58} [2020-01-16 22:43:42,783 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 47 places, 58 transitions [2020-01-16 22:43:42,783 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 58 transitions [2020-01-16 22:43:42,809 INFO L129 PetriNetUnfolder]: 110/190 cut-off events. [2020-01-16 22:43:42,809 INFO L130 PetriNetUnfolder]: For 176/176 co-relation queries the response was YES. [2020-01-16 22:43:42,811 INFO L76 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 190 events. 110/190 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 558 event pairs. 0/189 useless extension candidates. Maximal degree in co-relation 359. Up to 60 conditions per place. [2020-01-16 22:43:42,812 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 47 places, 0 of 58 transitions, 1 of 265 flow. [2020-01-16 22:43:42,813 INFO L478 AbstractCegarLoop]: Abstraction has has 46 places, 58 transitions [2020-01-16 22:43:42,813 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 22:43:42,866 INFO L129 PetriNetUnfolder]: 110/188 cut-off events. [2020-01-16 22:43:42,866 INFO L130 PetriNetUnfolder]: For 176/176 co-relation queries the response was YES. [2020-01-16 22:43:42,866 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:43:42,867 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:43:42,867 INFO L426 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:43:42,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:43:42,867 INFO L82 PathProgramCache]: Analyzing trace with hash 767280338, now seen corresponding path program 1 times [2020-01-16 22:43:42,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:43:42,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038591191] [2020-01-16 22:43:42,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:43:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:43:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:43:42,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038591191] [2020-01-16 22:43:42,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:43:42,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 22:43:42,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [298967459] [2020-01-16 22:43:42,929 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:43:42,932 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:43:43,010 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:43:43,011 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:43:43,015 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-01-16 22:43:43,015 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 22:43:43,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:43:43,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 22:43:43,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 22:43:43,017 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 88 [2020-01-16 22:43:43,017 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 58 transitions. Second operand 3 states. [2020-01-16 22:43:43,017 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:43:43,018 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 88 [2020-01-16 22:43:43,018 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:43:43,053 INFO L129 PetriNetUnfolder]: 64/129 cut-off events. [2020-01-16 22:43:43,053 INFO L130 PetriNetUnfolder]: For 183/183 co-relation queries the response was YES. [2020-01-16 22:43:43,054 INFO L76 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 129 events. 64/129 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 414 event pairs. 11/139 useless extension candidates. Maximal degree in co-relation 226. Up to 30 conditions per place. [2020-01-16 22:43:43,055 INFO L123 encePairwiseOnDemand]: 84/88 looper letters, 4 selfloop transitions, 4 changer transitions [2020-01-16 22:43:43,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 22:43:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 22:43:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2020-01-16 22:43:43,057 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 22:43:43,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2020-01-16 22:43:43,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2020-01-16 22:43:43,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:43:43,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2020-01-16 22:43:43,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 22:43:43,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 22:43:43,059 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 22:43:43,061 INFO L174 Difference]: Start difference. First operand has 46 places, 58 transitions. Second operand 3 states and 248 transitions. [2020-01-16 22:43:43,061 INFO L199 Difference]: Finished difference. Result has 48 places, 55 transitions [2020-01-16 22:43:43,062 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=48, PETRI_TRANSITIONS=55} [2020-01-16 22:43:43,062 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 48 places, 55 transitions [2020-01-16 22:43:43,062 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 55 transitions [2020-01-16 22:43:43,080 INFO L129 PetriNetUnfolder]: 64/129 cut-off events. [2020-01-16 22:43:43,080 INFO L130 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2020-01-16 22:43:43,081 INFO L76 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 129 events. 64/129 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 365 event pairs. 0/128 useless extension candidates. Maximal degree in co-relation 243. Up to 30 conditions per place. [2020-01-16 22:43:43,083 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 48 places, 0 of 55 transitions, 1 of 251 flow. [2020-01-16 22:43:43,083 INFO L478 AbstractCegarLoop]: Abstraction has has 47 places, 55 transitions [2020-01-16 22:43:43,083 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 22:43:43,097 INFO L129 PetriNetUnfolder]: 64/127 cut-off events. [2020-01-16 22:43:43,097 INFO L130 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2020-01-16 22:43:43,097 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:43:43,097 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:43:43,097 INFO L426 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:43:43,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:43:43,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1113511396, now seen corresponding path program 1 times [2020-01-16 22:43:43,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:43:43,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774785162] [2020-01-16 22:43:43,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:43:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:43:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:43:43,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774785162] [2020-01-16 22:43:43,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:43:43,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 22:43:43,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [932831123] [2020-01-16 22:43:43,169 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:43:43,172 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:43:43,207 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:43:43,208 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:43:43,213 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-01-16 22:43:43,213 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 22:43:43,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:43:43,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 22:43:43,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 22:43:43,216 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 88 [2020-01-16 22:43:43,216 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 55 transitions. Second operand 3 states. [2020-01-16 22:43:43,216 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:43:43,217 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 88 [2020-01-16 22:43:43,217 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:43:43,237 INFO L129 PetriNetUnfolder]: 12/46 cut-off events. [2020-01-16 22:43:43,237 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2020-01-16 22:43:43,238 INFO L76 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 46 events. 12/46 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs. 17/62 useless extension candidates. Maximal degree in co-relation 67. Up to 8 conditions per place. [2020-01-16 22:43:43,238 INFO L123 encePairwiseOnDemand]: 81/88 looper letters, 1 selfloop transitions, 7 changer transitions [2020-01-16 22:43:43,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 22:43:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 22:43:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2020-01-16 22:43:43,241 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2020-01-16 22:43:43,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2020-01-16 22:43:43,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2020-01-16 22:43:43,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:43:43,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2020-01-16 22:43:43,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 22:43:43,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 22:43:43,243 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 22:43:43,243 INFO L174 Difference]: Start difference. First operand has 47 places, 55 transitions. Second operand 3 states and 248 transitions. [2020-01-16 22:43:43,244 INFO L199 Difference]: Finished difference. Result has 49 places, 38 transitions [2020-01-16 22:43:43,246 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2020-01-16 22:43:43,247 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 49 places, 38 transitions [2020-01-16 22:43:43,247 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 38 transitions [2020-01-16 22:43:43,256 INFO L129 PetriNetUnfolder]: 12/46 cut-off events. [2020-01-16 22:43:43,257 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-01-16 22:43:43,259 INFO L76 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 46 events. 12/46 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 78 event pairs. 0/45 useless extension candidates. Maximal degree in co-relation 68. Up to 8 conditions per place. [2020-01-16 22:43:43,260 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 49 places, 0 of 38 transitions, 1 of 167 flow. [2020-01-16 22:43:43,260 INFO L478 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions [2020-01-16 22:43:43,260 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 22:43:43,266 INFO L129 PetriNetUnfolder]: 12/44 cut-off events. [2020-01-16 22:43:43,266 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2020-01-16 22:43:43,266 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:43:43,266 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:43:43,267 INFO L426 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:43:43,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:43:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash 878713258, now seen corresponding path program 1 times [2020-01-16 22:43:43,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:43:43,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558746464] [2020-01-16 22:43:43,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:43:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:43:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:43:43,306 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558746464] [2020-01-16 22:43:43,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:43:43,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 22:43:43,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1009050120] [2020-01-16 22:43:43,307 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:43:43,309 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:43:43,338 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:43:43,338 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:43:43,342 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2020-01-16 22:43:43,342 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 22:43:43,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:43:43,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 22:43:43,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 22:43:43,344 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 88 [2020-01-16 22:43:43,344 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions. Second operand 3 states. [2020-01-16 22:43:43,344 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:43:43,344 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 88 [2020-01-16 22:43:43,345 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:43:43,356 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2020-01-16 22:43:43,357 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-01-16 22:43:43,357 INFO L76 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 25 events. 1/25 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs. 5/29 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2020-01-16 22:43:43,357 INFO L123 encePairwiseOnDemand]: 83/88 looper letters, 1 selfloop transitions, 5 changer transitions [2020-01-16 22:43:43,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 22:43:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 22:43:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2020-01-16 22:43:43,359 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9318181818181818 [2020-01-16 22:43:43,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 246 transitions. [2020-01-16 22:43:43,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 246 transitions. [2020-01-16 22:43:43,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:43:43,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 246 transitions. [2020-01-16 22:43:43,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 22:43:43,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 22:43:43,361 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 22:43:43,361 INFO L174 Difference]: Start difference. First operand has 48 places, 38 transitions. Second operand 3 states and 246 transitions. [2020-01-16 22:43:43,362 INFO L199 Difference]: Finished difference. Result has 50 places, 25 transitions [2020-01-16 22:43:43,362 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=50, PETRI_TRANSITIONS=25} [2020-01-16 22:43:43,362 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 50 places, 25 transitions [2020-01-16 22:43:43,362 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 50 places, 25 transitions [2020-01-16 22:43:43,366 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2020-01-16 22:43:43,366 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2020-01-16 22:43:43,367 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 25 events. 1/25 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs. 0/24 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. [2020-01-16 22:43:43,367 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 1 of 50 places, 0 of 25 transitions, 1 of 103 flow. [2020-01-16 22:43:43,367 INFO L478 AbstractCegarLoop]: Abstraction has has 49 places, 25 transitions [2020-01-16 22:43:43,367 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 22:43:43,371 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2020-01-16 22:43:43,371 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2020-01-16 22:43:43,372 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:43:43,372 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:43:43,372 INFO L426 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:43:43,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:43:43,372 INFO L82 PathProgramCache]: Analyzing trace with hash -731374712, now seen corresponding path program 1 times [2020-01-16 22:43:43,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:43:43,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137930889] [2020-01-16 22:43:43,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:43:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:43:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:43:43,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137930889] [2020-01-16 22:43:43,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:43:43,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-01-16 22:43:43,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1400458056] [2020-01-16 22:43:43,909 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:43:43,911 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:43:43,938 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:43:43,938 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:44:14,712 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 279 times. [2020-01-16 22:44:14,713 INFO L458 AbstractCegarLoop]: Interpolant automaton has 236 states [2020-01-16 22:44:14,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:44:14,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2020-01-16 22:44:14,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3846, Invalid=51614, Unknown=0, NotChecked=0, Total=55460 [2020-01-16 22:44:14,756 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 88 [2020-01-16 22:44:14,759 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 25 transitions. Second operand 236 states. [2020-01-16 22:44:14,759 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:44:14,759 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 88 [2020-01-16 22:44:14,760 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:44:37,430 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-01-16 22:44:40,892 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:44:48,118 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2020-01-16 22:44:52,876 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:45:02,846 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:45:04,674 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-01-16 22:45:05,782 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:45:06,872 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:45:19,380 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-01-16 22:45:20,854 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-01-16 22:45:22,514 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:45:27,773 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:45:28,934 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-01-16 22:45:32,179 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-01-16 22:45:33,117 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 22:45:33,971 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:45:36,134 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 22:45:38,437 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:45:39,535 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:45:40,512 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:45:41,712 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:45:42,789 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-01-16 22:45:43,200 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-01-16 22:45:43,775 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-01-16 22:45:44,900 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:45:46,279 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:45:47,227 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:45:48,222 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-01-16 22:45:49,116 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:45:51,258 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-01-16 22:45:52,022 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 22:45:52,735 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-01-16 22:45:53,057 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-01-16 22:45:54,414 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 22:45:55,193 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:45:56,553 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 22:45:56,889 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 22:45:58,871 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-01-16 22:45:59,800 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:46:00,571 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:46:02,027 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 22:46:02,815 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-01-16 22:46:03,526 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 22:46:03,874 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:46:05,263 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:46:06,077 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:46:06,681 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2020-01-16 22:46:07,451 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:46:07,809 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:46:09,294 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2020-01-16 22:46:09,990 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-01-16 22:46:10,345 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:46:11,778 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-01-16 22:46:12,566 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:46:13,302 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-01-16 22:46:13,961 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:46:14,335 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 22:46:16,789 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-01-16 22:46:17,192 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-01-16 22:46:17,864 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:46:18,335 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:46:19,393 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-01-16 22:46:19,709 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-01-16 22:46:21,172 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:46:21,865 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-01-16 22:46:22,255 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:46:23,483 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:46:24,448 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:46:25,580 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2020-01-16 22:46:26,302 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-01-16 22:46:27,247 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:46:27,524 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-01-16 22:46:28,100 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:46:28,457 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-01-16 22:46:29,086 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-01-16 22:46:30,437 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2020-01-16 22:46:30,793 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-01-16 22:46:31,183 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:46:31,507 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-01-16 22:46:32,150 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 53 [2020-01-16 22:46:32,494 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 22:46:33,054 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-01-16 22:46:33,466 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:46:34,062 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:46:35,587 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:46:36,752 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:46:37,910 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:46:38,210 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 22:46:38,604 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:46:38,923 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-01-16 22:46:39,362 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-01-16 22:46:40,360 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 22:46:40,710 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 22:46:41,018 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-01-16 22:46:41,396 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 22:46:42,088 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:46:42,524 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-01-16 22:46:44,696 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:46:45,060 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 22:46:45,392 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-01-16 22:46:45,737 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-01-16 22:46:46,124 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-01-16 22:46:46,525 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-01-16 22:46:46,982 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:46:47,864 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-01-16 22:46:48,450 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-01-16 22:46:48,813 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:46:49,145 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-01-16 22:46:50,194 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:46:50,522 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-01-16 22:46:50,906 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 22:46:51,279 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:46:52,518 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-01-16 22:46:52,833 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-01-16 22:46:53,373 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:46:53,894 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-01-16 22:46:54,313 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:46:54,714 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 22:46:55,070 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-01-16 22:46:55,506 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:46:56,230 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-01-16 22:46:56,864 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:46:59,029 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:46:59,417 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-01-16 22:46:59,819 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-01-16 22:47:00,177 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-01-16 22:47:00,628 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 22:47:01,033 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-01-16 22:47:01,586 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:02,165 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 22:47:02,783 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-01-16 22:47:03,192 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:47:03,563 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 22:47:04,104 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:04,649 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:05,005 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-01-16 22:47:05,426 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:47:05,830 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:47:06,169 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 22:47:06,512 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:06,846 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:07,199 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:07,554 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:47:07,960 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-01-16 22:47:08,345 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-01-16 22:47:08,790 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 22:47:09,228 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 22:47:09,903 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:10,464 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 22:47:10,941 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 22:47:11,369 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 22:47:11,756 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 22:47:12,484 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:12,851 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:13,188 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-01-16 22:47:13,653 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:47:14,083 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 22:47:14,415 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 22:47:14,752 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:15,091 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:15,439 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:15,812 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-01-16 22:47:16,222 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 22:47:16,592 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:16,993 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 22:47:17,410 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-01-16 22:47:17,791 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:47:18,409 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:47:18,900 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-01-16 22:47:19,293 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-01-16 22:47:19,730 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:47:20,114 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:20,499 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:47:20,887 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:47:21,264 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:21,692 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 22:47:22,061 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-01-16 22:47:22,432 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:47:22,769 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:23,186 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-01-16 22:47:23,580 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:23,958 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-01-16 22:47:24,552 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:47:26,167 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:47:26,743 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-01-16 22:47:27,234 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:47:28,259 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:47:28,569 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-01-16 22:47:28,957 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-01-16 22:47:29,171 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2020-01-16 22:47:29,504 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-01-16 22:47:29,825 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 42 [2020-01-16 22:47:30,226 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2020-01-16 22:47:31,145 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-01-16 22:47:31,780 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-01-16 22:47:32,260 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-01-16 22:47:32,801 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-01-16 22:47:33,391 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-01-16 22:47:33,764 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-01-16 22:47:34,151 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:47:34,546 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2020-01-16 22:47:34,932 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:47:35,345 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2020-01-16 22:47:36,039 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2020-01-16 22:47:36,385 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 22:47:36,838 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-01-16 22:47:37,446 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 22:47:37,915 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:47:38,281 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-01-16 22:47:38,924 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:47:39,504 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-01-16 22:47:39,876 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:47:40,243 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:47:40,794 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-01-16 22:47:41,153 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-01-16 22:47:41,504 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-01-16 22:47:42,004 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:47:42,646 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:47:43,261 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 22:47:43,681 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:47:44,039 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:44,508 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:45,049 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:45,339 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-01-16 22:47:45,660 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:46,264 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:46,665 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-01-16 22:47:47,064 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 22:47:47,426 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-01-16 22:47:47,876 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-01-16 22:47:48,298 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-01-16 22:47:48,695 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 22:47:49,175 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:47:49,779 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-01-16 22:47:50,160 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 22:47:50,554 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-01-16 22:47:50,910 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-01-16 22:47:51,270 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:51,640 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:47:52,018 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:47:52,443 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:47:52,821 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-01-16 22:47:53,179 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-01-16 22:47:53,515 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-01-16 22:47:53,913 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-01-16 22:47:54,287 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-01-16 22:47:54,630 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-01-16 22:47:55,275 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:47:55,823 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-01-16 22:47:56,405 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:47:56,976 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:47:57,603 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:47:58,065 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:47:58,638 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:47:59,104 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 22:47:59,444 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-01-16 22:47:59,792 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:48:00,521 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 22:48:01,054 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2020-01-16 22:48:01,507 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:48:01,900 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 22:48:02,338 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:48:02,969 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-01-16 22:48:03,427 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:03,959 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 22:48:04,552 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-01-16 22:48:05,008 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:05,460 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 22:48:05,881 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-01-16 22:48:06,285 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:48:06,706 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 22:48:07,179 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:07,769 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:08,142 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-01-16 22:48:08,604 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 22:48:09,002 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:48:09,416 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:09,873 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:10,276 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 22:48:10,752 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:48:11,182 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-01-16 22:48:11,631 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:48:12,211 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-01-16 22:48:12,665 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:13,310 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:13,743 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:14,284 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:14,761 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 22:48:15,195 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-01-16 22:48:15,629 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:48:16,056 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:16,502 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:17,123 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:17,500 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-01-16 22:48:17,910 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:18,302 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-01-16 22:48:18,756 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:19,219 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:19,705 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-01-16 22:48:20,187 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-01-16 22:48:20,620 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-01-16 22:48:21,076 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-01-16 22:48:21,528 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:48:21,947 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:22,424 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-01-16 22:48:22,912 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-01-16 22:48:23,339 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:23,777 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:24,244 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-01-16 22:48:24,675 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 22:48:25,158 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-01-16 22:48:25,575 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 22:48:26,002 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-01-16 22:48:26,456 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-01-16 22:48:26,904 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-01-16 22:48:27,868 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 40 [2020-01-16 22:48:28,121 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-01-16 22:48:28,659 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-01-16 22:48:29,029 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-01-16 22:48:30,536 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:48:31,062 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2020-01-16 22:48:31,493 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:48:31,963 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-01-16 22:48:32,342 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 39 [2020-01-16 22:48:32,692 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2020-01-16 22:48:33,116 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-01-16 22:48:34,052 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2020-01-16 22:48:34,527 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-01-16 22:48:35,076 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2020-01-16 22:48:35,566 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-01-16 22:48:36,043 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-01-16 22:48:36,498 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2020-01-16 22:48:36,912 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2020-01-16 22:48:37,466 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:48:37,887 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-01-16 22:48:38,298 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-01-16 22:48:38,815 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:48:39,269 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-01-16 22:48:39,667 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:48:40,062 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-01-16 22:48:40,471 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-01-16 22:48:40,787 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-01-16 22:48:41,166 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-01-16 22:48:41,514 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2020-01-16 22:48:41,910 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-01-16 22:48:43,673 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-01-16 22:48:44,408 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:48:45,051 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2020-01-16 22:48:45,746 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-01-16 22:48:46,278 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2020-01-16 22:48:46,859 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-01-16 22:48:47,553 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:48,139 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:48,860 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:49,564 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:48:50,220 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-01-16 22:48:50,801 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2020-01-16 22:48:51,494 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-01-16 22:48:52,129 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:48:52,863 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-01-16 22:48:53,451 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-01-16 22:48:54,156 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:54,787 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:55,481 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:48:56,217 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:48:56,913 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-01-16 22:48:57,525 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2020-01-16 22:48:58,220 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-01-16 22:48:58,877 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:48:59,568 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-01-16 22:49:00,240 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-01-16 22:49:00,921 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-01-16 22:49:01,591 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:49:02,272 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-01-16 22:49:02,947 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-01-16 22:49:03,643 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-01-16 22:49:04,326 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2020-01-16 22:49:12,354 INFO L129 PetriNetUnfolder]: 3022/4654 cut-off events. [2020-01-16 22:49:12,355 INFO L130 PetriNetUnfolder]: For 4665/4677 co-relation queries the response was YES. [2020-01-16 22:49:12,375 INFO L76 FinitePrefix]: Finished finitePrefix Result has 11213 conditions, 4654 events. 3022/4654 cut-off events. For 4665/4677 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 26421 event pairs. 12/4659 useless extension candidates. Maximal degree in co-relation 10708. Up to 946 conditions per place. [2020-01-16 22:49:12,383 INFO L123 encePairwiseOnDemand]: 72/88 looper letters, 687 selfloop transitions, 2203 changer transitions [2020-01-16 22:49:12,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 631 states. [2020-01-16 22:49:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-01-16 22:49:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 17403 transitions. [2020-01-16 22:49:12,426 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.31340945108773954 [2020-01-16 22:49:12,426 INFO L72 ComplementDD]: Start complementDD. Operand 631 states and 17403 transitions. [2020-01-16 22:49:12,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 631 states and 17403 transitions. [2020-01-16 22:49:12,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:49:12,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 631 states and 17403 transitions. [2020-01-16 22:49:12,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 632 states. [2020-01-16 22:49:12,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 632 states. [2020-01-16 22:49:12,522 INFO L81 ComplementDD]: Finished complementDD. Result 632 states. [2020-01-16 22:49:12,523 INFO L174 Difference]: Start difference. First operand has 49 places, 25 transitions. Second operand 631 states and 17403 transitions. [2020-01-16 22:49:12,535 INFO L199 Difference]: Finished difference. Result has 701 places, 2638 transitions [2020-01-16 22:49:12,536 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=631, PETRI_FLOW=14674, PETRI_PLACES=701, PETRI_TRANSITIONS=2638} [2020-01-16 22:49:12,536 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 701 places, 2638 transitions [2020-01-16 22:49:12,537 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 701 places, 2638 transitions [2020-01-16 22:49:14,806 INFO L129 PetriNetUnfolder]: 2462/3861 cut-off events. [2020-01-16 22:49:14,806 INFO L130 PetriNetUnfolder]: For 8624/8759 co-relation queries the response was YES. [2020-01-16 22:49:14,846 INFO L76 FinitePrefix]: Finished finitePrefix Result has 9741 conditions, 3861 events. 2462/3861 cut-off events. For 8624/8759 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 23940 event pairs. 0/3861 useless extension candidates. Maximal degree in co-relation 9642. Up to 946 conditions per place. [2020-01-16 22:49:14,857 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 0 of 701 places, 0 of 2638 transitions, 0 of 14674 flow. [2020-01-16 22:49:14,858 INFO L478 AbstractCegarLoop]: Abstraction has has 701 places, 2638 transitions [2020-01-16 22:49:14,858 INFO L479 AbstractCegarLoop]: Interpolant automaton has 236 states. [2020-01-16 22:49:18,107 INFO L129 PetriNetUnfolder]: 2463/3862 cut-off events. [2020-01-16 22:49:18,107 INFO L130 PetriNetUnfolder]: For 8569/8671 co-relation queries the response was YES. [2020-01-16 22:49:18,107 INFO L202 CegarLoopForPetriNet]: Found error trace [2020-01-16 22:49:18,107 INFO L210 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-01-16 22:49:18,107 INFO L426 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2020-01-16 22:49:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-01-16 22:49:18,108 INFO L82 PathProgramCache]: Analyzing trace with hash 105796018, now seen corresponding path program 1 times [2020-01-16 22:49:18,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-01-16 22:49:18,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388036546] [2020-01-16 22:49:18,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-01-16 22:49:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-01-16 22:49:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-01-16 22:49:18,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388036546] [2020-01-16 22:49:18,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-01-16 22:49:18,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-01-16 22:49:18,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [461133322] [2020-01-16 22:49:18,141 INFO L124 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2020-01-16 22:49:18,143 INFO L189 pAbStrategyModuleMcr]: Started intersection. [2020-01-16 22:49:18,170 INFO L200 pAbStrategyModuleMcr]: Finished intersection with 383 states and 1345 transitions. [2020-01-16 22:49:18,170 INFO L211 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2020-01-16 22:49:18,173 INFO L284 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 5 times. [2020-01-16 22:49:18,173 INFO L458 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-01-16 22:49:18,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-01-16 22:49:18,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-01-16 22:49:18,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-01-16 22:49:18,174 INFO L387 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 88 [2020-01-16 22:49:18,175 INFO L91 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 2638 transitions. Second operand 3 states. [2020-01-16 22:49:18,175 INFO L100 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-01-16 22:49:18,175 INFO L101 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 88 [2020-01-16 22:49:18,175 INFO L68 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-01-16 22:49:19,749 INFO L129 PetriNetUnfolder]: 1638/2587 cut-off events. [2020-01-16 22:49:19,749 INFO L130 PetriNetUnfolder]: For 5782/5856 co-relation queries the response was YES. [2020-01-16 22:49:19,841 INFO L76 FinitePrefix]: Finished finitePrefix Result has 6305 conditions, 2587 events. 1638/2587 cut-off events. For 5782/5856 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 14823 event pairs. 435/3022 useless extension candidates. Maximal degree in co-relation 6246. Up to 512 conditions per place. [2020-01-16 22:49:19,845 INFO L123 encePairwiseOnDemand]: 86/88 looper letters, 203 selfloop transitions, 436 changer transitions [2020-01-16 22:49:19,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-01-16 22:49:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-01-16 22:49:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2020-01-16 22:49:19,847 INFO L434 CegarLoopForPetriNet]: DFA transition density 0.9204545454545454 [2020-01-16 22:49:19,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2020-01-16 22:49:19,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2020-01-16 22:49:19,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-01-16 22:49:19,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2020-01-16 22:49:19,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-01-16 22:49:19,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-01-16 22:49:19,848 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-01-16 22:49:19,848 INFO L174 Difference]: Start difference. First operand has 701 places, 2638 transitions. Second operand 3 states and 243 transitions. [2020-01-16 22:49:19,858 INFO L199 Difference]: Finished difference. Result has 703 places, 1969 transitions [2020-01-16 22:49:19,860 INFO L284 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=14674, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=10418, PETRI_PLACES=703, PETRI_TRANSITIONS=1969} [2020-01-16 22:49:19,860 INFO L115 RemoveUnreachable]: Start removeUnreachable. Operand has 703 places, 1969 transitions [2020-01-16 22:49:19,861 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 703 places, 1969 transitions [2020-01-16 22:49:20,765 INFO L129 PetriNetUnfolder]: 1639/2590 cut-off events. [2020-01-16 22:49:20,765 INFO L130 PetriNetUnfolder]: For 2903/2975 co-relation queries the response was YES. [2020-01-16 22:49:20,788 INFO L76 FinitePrefix]: Finished finitePrefix Result has 6144 conditions, 2590 events. 1639/2590 cut-off events. For 2903/2975 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 15247 event pairs. 0/2590 useless extension candidates. Maximal degree in co-relation 6100. Up to 512 conditions per place. [2020-01-16 22:49:20,795 INFO L126 RemoveUnreachable]: Finished removeUnreachable. Removed 57 of 703 places, 0 of 1969 transitions, 1 of 10418 flow. [2020-01-16 22:49:20,795 INFO L478 AbstractCegarLoop]: Abstraction has has 646 places, 1969 transitions [2020-01-16 22:49:20,795 INFO L479 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-01-16 22:49:21,646 INFO L129 PetriNetUnfolder]: 1639/2590 cut-off events. [2020-01-16 22:49:21,646 INFO L130 PetriNetUnfolder]: For 2903/2975 co-relation queries the response was YES. [2020-01-16 22:49:21,650 INFO L202 PluginConnector]: Adding new model example_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.01 10:49:21 BasicIcfg [2020-01-16 22:49:21,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-01-16 22:49:21,651 INFO L168 Benchmark]: Toolchain (without parser) took 341096.69 ms. Allocated memory was 138.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 120.9 MB in the beginning and 495.2 MB in the end (delta: -374.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-01-16 22:49:21,651 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 138.9 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-01-16 22:49:21,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.92 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 118.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-01-16 22:49:21,652 INFO L168 Benchmark]: Boogie Preprocessor took 24.23 ms. Allocated memory is still 138.9 MB. Free memory was 118.8 MB in the beginning and 117.9 MB in the end (delta: 857.4 kB). Peak memory consumption was 857.4 kB. Max. memory is 7.1 GB. [2020-01-16 22:49:21,652 INFO L168 Benchmark]: RCFGBuilder took 278.35 ms. Allocated memory is still 138.9 MB. Free memory was 117.5 MB in the beginning and 105.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-01-16 22:49:21,652 INFO L168 Benchmark]: TraceAbstraction took 340753.80 ms. Allocated memory was 138.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 104.6 MB in the beginning and 495.2 MB in the end (delta: -390.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-01-16 22:49:21,653 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 138.9 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.92 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 118.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.23 ms. Allocated memory is still 138.9 MB. Free memory was 118.8 MB in the beginning and 117.9 MB in the end (delta: 857.4 kB). Peak memory consumption was 857.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 278.35 ms. Allocated memory is still 138.9 MB. Free memory was 117.5 MB in the beginning and 105.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 340753.80 ms. Allocated memory was 138.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 104.6 MB in the beginning and 495.2 MB in the end (delta: -390.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 60 ProgramPointsBefore, 51 ProgramPointsAfterwards, 80 TransitionsBefore, 72 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 336 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 357 CheckedPairsTotal, 8 TotalNumberOfCompositions - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. Result: SAFE, OverallTime: 340.4s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 299.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 713 SDtfs, 1789 SDslu, 54655 SDs, 0 SdLazy, 78950 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 999 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 847 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194937 ImplicationChecksByTransitivity, 236.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=701occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 69 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 13230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...