/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 23:22:03,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 23:22:03,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 23:22:03,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 23:22:03,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 23:22:03,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 23:22:03,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 23:22:03,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 23:22:03,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 23:22:03,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 23:22:03,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 23:22:03,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 23:22:03,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 23:22:03,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 23:22:03,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 23:22:03,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 23:22:03,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 23:22:03,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 23:22:03,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 23:22:03,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 23:22:03,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 23:22:03,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 23:22:03,829 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 23:22:03,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 23:22:03,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 23:22:03,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 23:22:03,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 23:22:03,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 23:22:03,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 23:22:03,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 23:22:03,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 23:22:03,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 23:22:03,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 23:22:03,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 23:22:03,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 23:22:03,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 23:22:03,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 23:22:03,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 23:22:03,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 23:22:03,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 23:22:03,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 23:22:03,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 23:22:03,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 23:22:03,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 23:22:03,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:03,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 23:22:03,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 23:22:03,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 23:22:04,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 23:22:04,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 23:22:04,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 23:22:04,215 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 23:22:04,216 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 23:22:04,217 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2020-07-21 23:22:04,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34212a7dc/a9e06672414948b4bda3e77adc17f2aa/FLAG7fd2617b7 [2020-07-21 23:22:04,876 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 23:22:04,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2020-07-21 23:22:04,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34212a7dc/a9e06672414948b4bda3e77adc17f2aa/FLAG7fd2617b7 [2020-07-21 23:22:05,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34212a7dc/a9e06672414948b4bda3e77adc17f2aa [2020-07-21 23:22:05,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 23:22:05,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 23:22:05,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 23:22:05,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 23:22:05,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 23:22:05,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a47b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05, skipping insertion in model container [2020-07-21 23:22:05,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 23:22:05,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 23:22:05,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 23:22:05,512 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 23:22:05,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 23:22:05,550 INFO L208 MainTranslator]: Completed translation [2020-07-21 23:22:05,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05 WrapperNode [2020-07-21 23:22:05,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 23:22:05,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 23:22:05,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 23:22:05,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 23:22:05,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (1/1) ... [2020-07-21 23:22:05,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 23:22:05,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 23:22:05,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 23:22:05,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 23:22:05,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (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 [2020-07-21 23:22:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 23:22:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 23:22:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 23:22:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 23:22:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 23:22:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 23:22:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 23:22:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 23:22:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 23:22:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 23:22:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 23:22:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 23:22:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 23:22:06,073 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 23:22:06,073 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 23:22:06,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:22:06 BoogieIcfgContainer [2020-07-21 23:22:06,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 23:22:06,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 23:22:06,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 23:22:06,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 23:22:06,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:22:05" (1/3) ... [2020-07-21 23:22:06,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f14d12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:22:06, skipping insertion in model container [2020-07-21 23:22:06,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:05" (2/3) ... [2020-07-21 23:22:06,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f14d12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:22:06, skipping insertion in model container [2020-07-21 23:22:06,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:22:06" (3/3) ... [2020-07-21 23:22:06,090 INFO L109 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i [2020-07-21 23:22:06,111 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 23:22:06,124 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 23:22:06,169 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 23:22:06,215 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 23:22:06,215 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 23:22:06,216 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 23:22:06,216 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 23:22:06,216 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 23:22:06,217 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 23:22:06,217 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 23:22:06,217 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 23:22:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-07-21 23:22:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-21 23:22:06,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:06,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:06,254 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:06,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:06,260 INFO L82 PathProgramCache]: Analyzing trace with hash 160437665, now seen corresponding path program 1 times [2020-07-21 23:22:06,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:06,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27115042] [2020-07-21 23:22:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:06,348 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 23:22:06,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:06,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 23:22:06,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:22:06,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:22:06,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27115042] [2020-07-21 23:22:06,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:22:06,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 23:22:06,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528564624] [2020-07-21 23:22:06,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 23:22:06,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:06,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 23:22:06,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 23:22:06,408 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2020-07-21 23:22:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:06,438 INFO L93 Difference]: Finished difference Result 61 states and 92 transitions. [2020-07-21 23:22:06,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 23:22:06,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-07-21 23:22:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:06,452 INFO L225 Difference]: With dead ends: 61 [2020-07-21 23:22:06,453 INFO L226 Difference]: Without dead ends: 29 [2020-07-21 23:22:06,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 23:22:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-21 23:22:06,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-21 23:22:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-21 23:22:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2020-07-21 23:22:06,510 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 14 [2020-07-21 23:22:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:06,510 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2020-07-21 23:22:06,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 23:22:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2020-07-21 23:22:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-21 23:22:06,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:06,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:06,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:06,728 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:06,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:06,729 INFO L82 PathProgramCache]: Analyzing trace with hash 89152719, now seen corresponding path program 1 times [2020-07-21 23:22:06,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:06,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111416917] [2020-07-21 23:22:06,731 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:06,785 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:06,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:06,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 23:22:06,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:06,827 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:22:06,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:22:06,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111416917] [2020-07-21 23:22:06,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:22:06,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 23:22:06,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9821073] [2020-07-21 23:22:06,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 23:22:06,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:06,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 23:22:06,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 23:22:06,868 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand 5 states. [2020-07-21 23:22:07,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:07,003 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2020-07-21 23:22:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 23:22:07,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-21 23:22:07,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:07,006 INFO L225 Difference]: With dead ends: 35 [2020-07-21 23:22:07,006 INFO L226 Difference]: Without dead ends: 33 [2020-07-21 23:22:07,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:22:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-21 23:22:07,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-21 23:22:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-21 23:22:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2020-07-21 23:22:07,021 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 15 [2020-07-21 23:22:07,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:07,021 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-07-21 23:22:07,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 23:22:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-07-21 23:22:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 23:22:07,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:07,023 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:07,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:07,238 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:07,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:07,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1105875316, now seen corresponding path program 1 times [2020-07-21 23:22:07,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:07,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492671734] [2020-07-21 23:22:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:07,273 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:07,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:07,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 23:22:07,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:07,327 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:07,330 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 23:22:07,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:22:07,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492671734] [2020-07-21 23:22:07,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:22:07,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 23:22:07,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660964335] [2020-07-21 23:22:07,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 23:22:07,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:07,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 23:22:07,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:22:07,352 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand 6 states. [2020-07-21 23:22:07,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:07,557 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2020-07-21 23:22:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 23:22:07,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-07-21 23:22:07,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:07,560 INFO L225 Difference]: With dead ends: 48 [2020-07-21 23:22:07,560 INFO L226 Difference]: Without dead ends: 46 [2020-07-21 23:22:07,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 23:22:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-21 23:22:07,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-21 23:22:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-21 23:22:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-07-21 23:22:07,575 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 20 [2020-07-21 23:22:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:07,576 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-07-21 23:22:07,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 23:22:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-07-21 23:22:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-21 23:22:07,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:07,579 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:07,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:07,796 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:07,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:07,797 INFO L82 PathProgramCache]: Analyzing trace with hash 726428669, now seen corresponding path program 1 times [2020-07-21 23:22:07,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:07,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623043177] [2020-07-21 23:22:07,798 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:07,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:07,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:07,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 23:22:07,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:07,869 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 23:22:07,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:22:07,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623043177] [2020-07-21 23:22:07,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:22:07,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 23:22:07,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749663940] [2020-07-21 23:22:07,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 23:22:07,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:07,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 23:22:07,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 23:22:07,899 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 6 states. [2020-07-21 23:22:08,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:08,031 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2020-07-21 23:22:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 23:22:08,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-07-21 23:22:08,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:08,035 INFO L225 Difference]: With dead ends: 55 [2020-07-21 23:22:08,036 INFO L226 Difference]: Without dead ends: 53 [2020-07-21 23:22:08,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 23:22:08,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-21 23:22:08,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2020-07-21 23:22:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-21 23:22:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2020-07-21 23:22:08,063 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 28 [2020-07-21 23:22:08,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:08,064 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2020-07-21 23:22:08,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 23:22:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2020-07-21 23:22:08,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-21 23:22:08,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:08,069 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:08,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:08,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:08,284 INFO L82 PathProgramCache]: Analyzing trace with hash 239914697, now seen corresponding path program 1 times [2020-07-21 23:22:08,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:08,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036645170] [2020-07-21 23:22:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:08,319 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:08,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:08,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 23:22:08,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:08,373 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:08,375 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 23:22:08,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:22:08,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036645170] [2020-07-21 23:22:08,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:22:08,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 23:22:08,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954783516] [2020-07-21 23:22:08,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 23:22:08,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:08,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 23:22:08,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 23:22:08,396 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand 7 states. [2020-07-21 23:22:08,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:08,598 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-21 23:22:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 23:22:08,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-07-21 23:22:08,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:08,601 INFO L225 Difference]: With dead ends: 70 [2020-07-21 23:22:08,601 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 23:22:08,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 23:22:08,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 23:22:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2020-07-21 23:22:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-21 23:22:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2020-07-21 23:22:08,615 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 31 [2020-07-21 23:22:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:08,616 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2020-07-21 23:22:08,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 23:22:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2020-07-21 23:22:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-21 23:22:08,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:08,618 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:08,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:08,831 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:08,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:08,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1617190790, now seen corresponding path program 1 times [2020-07-21 23:22:08,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:08,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897165152] [2020-07-21 23:22:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:08,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:08,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:08,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-21 23:22:08,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:08,967 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:08,970 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:09,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 23:22:09,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 23:22:09,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897165152] [2020-07-21 23:22:09,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 23:22:09,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-21 23:22:09,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925964862] [2020-07-21 23:22:09,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 23:22:09,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:09,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 23:22:09,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-21 23:22:09,018 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand 9 states. [2020-07-21 23:22:09,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:09,310 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2020-07-21 23:22:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 23:22:09,311 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2020-07-21 23:22:09,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:09,313 INFO L225 Difference]: With dead ends: 76 [2020-07-21 23:22:09,313 INFO L226 Difference]: Without dead ends: 74 [2020-07-21 23:22:09,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-07-21 23:22:09,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-21 23:22:09,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2020-07-21 23:22:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-21 23:22:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2020-07-21 23:22:09,351 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 33 [2020-07-21 23:22:09,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:09,354 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2020-07-21 23:22:09,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 23:22:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2020-07-21 23:22:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-21 23:22:09,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:09,365 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:09,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:09,579 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:09,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:09,580 INFO L82 PathProgramCache]: Analyzing trace with hash 260855770, now seen corresponding path program 1 times [2020-07-21 23:22:09,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:09,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003278797] [2020-07-21 23:22:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:09,632 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:09,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:09,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 23:22:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:09,785 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:22:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-21 23:22:09,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:09,853 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-21 23:22:09,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003278797] [2020-07-21 23:22:09,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:09,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-07-21 23:22:09,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359995398] [2020-07-21 23:22:09,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 23:22:09,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:09,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 23:22:09,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-21 23:22:09,960 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand 13 states. [2020-07-21 23:22:10,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:10,555 INFO L93 Difference]: Finished difference Result 114 states and 149 transitions. [2020-07-21 23:22:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 23:22:10,556 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-07-21 23:22:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:10,560 INFO L225 Difference]: With dead ends: 114 [2020-07-21 23:22:10,561 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 23:22:10,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-07-21 23:22:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 23:22:10,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 91. [2020-07-21 23:22:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 23:22:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 110 transitions. [2020-07-21 23:22:10,599 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 110 transitions. Word has length 56 [2020-07-21 23:22:10,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:10,601 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 110 transitions. [2020-07-21 23:22:10,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 23:22:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2020-07-21 23:22:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-21 23:22:10,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:10,603 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:10,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:10,804 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash 266725463, now seen corresponding path program 1 times [2020-07-21 23:22:10,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:10,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890238304] [2020-07-21 23:22:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:10,846 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:10,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:10,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-21 23:22:10,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:11,011 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:11,012 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-21 23:22:11,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:11,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:11,176 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:11,185 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:11,240 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:11,257 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-21 23:22:11,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890238304] [2020-07-21 23:22:11,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:11,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2020-07-21 23:22:11,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134743161] [2020-07-21 23:22:11,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-21 23:22:11,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:11,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-21 23:22:11,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-07-21 23:22:11,325 INFO L87 Difference]: Start difference. First operand 91 states and 110 transitions. Second operand 19 states. [2020-07-21 23:22:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:12,169 INFO L93 Difference]: Finished difference Result 129 states and 162 transitions. [2020-07-21 23:22:12,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 23:22:12,170 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 58 [2020-07-21 23:22:12,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:12,172 INFO L225 Difference]: With dead ends: 129 [2020-07-21 23:22:12,175 INFO L226 Difference]: Without dead ends: 127 [2020-07-21 23:22:12,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2020-07-21 23:22:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-21 23:22:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 103. [2020-07-21 23:22:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-21 23:22:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2020-07-21 23:22:12,219 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 58 [2020-07-21 23:22:12,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:12,220 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2020-07-21 23:22:12,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-21 23:22:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2020-07-21 23:22:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-21 23:22:12,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:12,230 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:12,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:12,445 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:12,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:12,446 INFO L82 PathProgramCache]: Analyzing trace with hash 314554042, now seen corresponding path program 2 times [2020-07-21 23:22:12,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:12,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595200547] [2020-07-21 23:22:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:12,539 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:12,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:12,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 23:22:12,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:12,794 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:22:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-07-21 23:22:12,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:12,875 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:12,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:12,979 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:13,045 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:13,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:13,047 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,048 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:13,049 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,050 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:13,051 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:13,053 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,060 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:13,062 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,064 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,067 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-07-21 23:22:13,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595200547] [2020-07-21 23:22:13,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:13,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 23:22:13,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056310292] [2020-07-21 23:22:13,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 23:22:13,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:13,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 23:22:13,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-07-21 23:22:13,173 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 21 states. [2020-07-21 23:22:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:14,433 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2020-07-21 23:22:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-21 23:22:14,433 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 106 [2020-07-21 23:22:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:14,436 INFO L225 Difference]: With dead ends: 171 [2020-07-21 23:22:14,436 INFO L226 Difference]: Without dead ends: 147 [2020-07-21 23:22:14,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 189 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2020-07-21 23:22:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-21 23:22:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 139. [2020-07-21 23:22:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 23:22:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions. [2020-07-21 23:22:14,459 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 106 [2020-07-21 23:22:14,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:14,460 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions. [2020-07-21 23:22:14,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 23:22:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2020-07-21 23:22:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-21 23:22:14,463 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:14,463 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 19, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:14,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:14,668 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:14,669 INFO L82 PathProgramCache]: Analyzing trace with hash 648188358, now seen corresponding path program 2 times [2020-07-21 23:22:14,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:14,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460857179] [2020-07-21 23:22:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:14,730 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:14,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:14,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 23:22:14,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:15,125 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:15,126 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 38 proven. 90 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-07-21 23:22:15,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:15,236 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:15,385 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:15,391 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:15,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:15,466 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:15,511 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:15,514 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 23:22:15,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:15,523 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:15,603 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:15,604 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 23:22:15,604 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:15,611 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:15,663 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:15,670 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 23:22:15,671 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 23:22:15,672 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:15,754 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:15,761 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 38 proven. 90 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-07-21 23:22:15,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460857179] [2020-07-21 23:22:15,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:15,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 33 [2020-07-21 23:22:15,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049337197] [2020-07-21 23:22:15,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-07-21 23:22:15,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:15,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-07-21 23:22:15,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=838, Unknown=0, NotChecked=0, Total=1056 [2020-07-21 23:22:15,916 INFO L87 Difference]: Start difference. First operand 139 states and 171 transitions. Second operand 33 states. [2020-07-21 23:22:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:18,134 INFO L93 Difference]: Finished difference Result 177 states and 223 transitions. [2020-07-21 23:22:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-21 23:22:18,135 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 133 [2020-07-21 23:22:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:18,138 INFO L225 Difference]: With dead ends: 177 [2020-07-21 23:22:18,139 INFO L226 Difference]: Without dead ends: 175 [2020-07-21 23:22:18,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 231 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=735, Invalid=2687, Unknown=0, NotChecked=0, Total=3422 [2020-07-21 23:22:18,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-21 23:22:18,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 151. [2020-07-21 23:22:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-21 23:22:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 183 transitions. [2020-07-21 23:22:18,159 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 183 transitions. Word has length 133 [2020-07-21 23:22:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:18,160 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 183 transitions. [2020-07-21 23:22:18,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-07-21 23:22:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 183 transitions. [2020-07-21 23:22:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-21 23:22:18,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:18,164 INFO L422 BasicCegarLoop]: trace histogram [32, 31, 31, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:18,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:18,379 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:18,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:18,380 INFO L82 PathProgramCache]: Analyzing trace with hash 254282874, now seen corresponding path program 3 times [2020-07-21 23:22:18,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:18,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105697351] [2020-07-21 23:22:18,381 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:18,461 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:18,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:18,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 23:22:18,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:18,899 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 23:22:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2125 backedges. 62 proven. 203 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2020-07-21 23:22:18,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:18,984 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,070 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,158 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,159 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,160 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,163 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,171 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,172 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,172 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,173 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,174 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,176 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,286 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,288 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,289 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,289 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,290 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,291 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,291 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,292 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,299 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,301 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,302 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,303 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,303 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,305 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,412 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,412 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,415 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,415 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,423 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,423 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,424 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,541 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,541 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,542 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,542 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,542 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,543 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,543 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,544 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,551 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,552 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,553 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:19,554 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,555 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,555 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,556 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,560 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,561 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,682 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,683 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,683 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:19,684 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,684 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,685 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,685 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,687 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,693 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,693 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,694 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,694 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,695 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,695 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,696 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,696 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:19,697 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2125 backedges. 62 proven. 203 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2020-07-21 23:22:19,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105697351] [2020-07-21 23:22:19,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:19,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 37 [2020-07-21 23:22:19,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165450305] [2020-07-21 23:22:19,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-07-21 23:22:19,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:19,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-07-21 23:22:19,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=896, Unknown=0, NotChecked=0, Total=1332 [2020-07-21 23:22:19,876 INFO L87 Difference]: Start difference. First operand 151 states and 183 transitions. Second operand 37 states. [2020-07-21 23:22:22,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:22,013 INFO L93 Difference]: Finished difference Result 267 states and 370 transitions. [2020-07-21 23:22:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-21 23:22:22,014 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 206 [2020-07-21 23:22:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:22,017 INFO L225 Difference]: With dead ends: 267 [2020-07-21 23:22:22,017 INFO L226 Difference]: Without dead ends: 231 [2020-07-21 23:22:22,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1407 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1051, Invalid=2371, Unknown=0, NotChecked=0, Total=3422 [2020-07-21 23:22:22,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-21 23:22:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2020-07-21 23:22:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-21 23:22:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 284 transitions. [2020-07-21 23:22:22,046 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 284 transitions. Word has length 206 [2020-07-21 23:22:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:22,047 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 284 transitions. [2020-07-21 23:22:22,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-07-21 23:22:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 284 transitions. [2020-07-21 23:22:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-07-21 23:22:22,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:22,051 INFO L422 BasicCegarLoop]: trace histogram [36, 35, 35, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:22,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:22,267 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:22,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1384995834, now seen corresponding path program 3 times [2020-07-21 23:22:22,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:22,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252093104] [2020-07-21 23:22:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:22,351 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:22,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:22,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-21 23:22:22,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:23,390 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:23,391 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2774 backedges. 70 proven. 324 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2020-07-21 23:22:23,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:23,641 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:23,889 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:23,897 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:24,018 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:24,031 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:24,099 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:24,108 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:24,220 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:24,231 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:24,284 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:24,289 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 23:22:24,290 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 23:22:24,290 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:24,417 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 23:22:24,418 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 23:22:24,418 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:24,425 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:24,500 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 23:22:24,507 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 23:22:24,634 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 23:22:24,639 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 23:22:24,732 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:24,740 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:24,917 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:24,924 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:25,008 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 23:22:25,009 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 23:22:25,010 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 23:22:25,017 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 23:22:25,019 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 23:22:25,020 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 23:22:25,205 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 23:22:25,212 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 23:22:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2774 backedges. 70 proven. 324 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2020-07-21 23:22:25,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252093104] [2020-07-21 23:22:25,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:25,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 53 [2020-07-21 23:22:25,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311469565] [2020-07-21 23:22:25,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-07-21 23:22:25,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:25,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-07-21 23:22:25,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=2319, Unknown=0, NotChecked=0, Total=2756 [2020-07-21 23:22:25,482 INFO L87 Difference]: Start difference. First operand 223 states and 284 transitions. Second operand 53 states. [2020-07-21 23:22:27,881 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-07-21 23:22:28,092 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 23:22:31,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:31,761 INFO L93 Difference]: Finished difference Result 244 states and 308 transitions. [2020-07-21 23:22:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-07-21 23:22:31,762 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 233 [2020-07-21 23:22:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:31,766 INFO L225 Difference]: With dead ends: 244 [2020-07-21 23:22:31,766 INFO L226 Difference]: Without dead ends: 242 [2020-07-21 23:22:31,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 411 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2248 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=1558, Invalid=7754, Unknown=0, NotChecked=0, Total=9312 [2020-07-21 23:22:31,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-21 23:22:31,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 231. [2020-07-21 23:22:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-21 23:22:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 290 transitions. [2020-07-21 23:22:31,794 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 290 transitions. Word has length 233 [2020-07-21 23:22:31,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:31,795 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 290 transitions. [2020-07-21 23:22:31,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-07-21 23:22:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 290 transitions. [2020-07-21 23:22:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-07-21 23:22:31,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:31,804 INFO L422 BasicCegarLoop]: trace histogram [64, 63, 63, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:32,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:32,017 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:32,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:32,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1039722502, now seen corresponding path program 4 times [2020-07-21 23:22:32,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:32,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467842007] [2020-07-21 23:22:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:32,166 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:32,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:32,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 39 conjunts are in the unsatisfiable core [2020-07-21 23:22:32,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:32,506 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 535 proven. 262 refuted. 0 times theorem prover too weak. 8116 trivial. 0 not checked. [2020-07-21 23:22:32,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:32,728 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:32,855 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,856 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:32,857 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:32,956 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,957 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:32,958 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:32,959 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,966 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,967 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:32,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:32,969 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:32,972 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,129 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,130 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,130 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,131 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,131 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,132 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,132 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,133 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,133 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,134 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,134 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,134 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,135 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,136 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,136 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,137 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,137 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,138 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,139 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,139 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,140 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,141 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,141 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,142 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,144 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:33,148 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,149 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,154 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,155 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,155 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,156 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,156 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,157 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,157 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,158 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,158 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,159 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,160 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,160 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,163 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,163 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,164 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,164 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,165 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,165 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,166 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,167 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,167 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,168 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,169 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,172 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,173 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,174 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,334 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,335 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,337 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,338 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,338 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,340 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,341 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,341 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,342 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,344 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,344 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,345 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,345 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,346 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,347 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,347 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,348 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,349 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,350 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,351 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,352 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:33,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,362 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,369 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,370 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,370 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,371 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,371 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:33,372 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,373 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,373 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,374 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,374 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,375 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,377 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,377 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,378 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,378 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,379 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,380 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,380 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,381 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:33,383 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:33,384 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,386 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,387 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,388 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,578 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,578 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,579 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,579 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,580 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,580 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,585 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:33,588 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,589 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,591 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,597 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,598 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,598 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,599 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,599 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,600 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,601 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,601 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,602 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,602 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,604 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,604 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,605 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,605 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,605 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,606 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,607 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,607 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,608 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,609 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,609 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,610 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,610 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,611 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,613 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:33,615 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,616 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,617 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,832 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,833 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,834 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,834 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,835 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,836 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,837 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,838 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,842 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,843 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,844 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,844 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,845 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,846 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,847 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,848 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,849 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,850 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,851 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,852 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,853 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:33,855 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,857 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,865 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,865 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,866 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,867 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,867 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,868 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,868 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,870 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,871 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,871 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,872 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,873 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:33,873 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,875 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,875 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,876 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,877 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,877 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,878 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,879 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,880 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,881 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,881 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:33,882 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,883 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:33,883 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:33,886 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,887 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,889 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:33,890 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,058 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,059 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,059 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,060 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,060 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,061 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,061 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,062 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,062 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,064 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,064 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,065 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,066 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,066 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,067 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:34,067 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,069 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,083 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,084 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,085 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,085 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,086 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,086 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,087 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,088 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,089 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,089 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,090 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,090 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,091 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,092 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,092 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,093 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,094 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,094 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:34,095 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,095 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,096 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,097 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,098 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,099 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,100 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,299 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,300 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,301 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,301 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,301 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,302 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,302 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:34,303 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,303 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,304 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,304 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,305 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,305 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,314 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,314 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,315 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,316 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,318 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,318 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,320 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:34,322 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,323 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,323 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,323 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,324 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,325 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,325 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,507 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,507 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,507 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,508 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,508 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,510 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,510 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,511 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,511 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,511 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,512 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,512 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,513 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,513 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,516 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,517 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,517 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:34,524 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,525 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,531 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,531 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,534 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,534 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,535 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,536 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,536 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,537 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,537 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,538 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,538 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:34,539 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,540 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,540 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,540 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,541 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,541 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,542 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,543 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,546 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,548 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,548 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,768 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,769 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,770 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,770 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,771 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,771 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,772 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,773 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,773 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,774 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,774 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,775 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,775 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,776 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,776 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,777 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,778 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,778 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,779 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,779 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,780 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,780 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,781 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,782 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,784 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:34,785 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,794 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,795 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:34,795 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,796 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,796 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,797 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,798 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,798 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,799 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,800 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,801 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,801 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,802 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,803 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:34,803 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,804 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,805 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,805 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:34,806 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,806 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,808 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:34,810 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,812 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:34,814 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:34,815 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:34,816 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,012 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,013 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,013 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,013 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,014 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,014 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,015 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,016 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,016 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,017 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,017 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,018 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,018 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,018 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,019 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,019 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,020 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,020 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,021 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:35,027 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,028 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,031 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,038 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,039 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,039 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,039 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,040 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,040 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,041 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,041 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,042 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,042 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,043 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,043 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,043 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,044 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,044 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,044 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,045 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,045 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,045 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,046 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,047 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,047 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:35,049 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,050 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,052 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,052 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,189 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 23:22:35,190 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,254 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,254 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,255 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,255 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,255 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,256 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,256 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,257 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,257 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,258 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,259 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,259 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,260 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,261 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,266 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,267 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,272 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,273 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,276 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,277 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,277 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,278 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,278 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,279 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,280 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,281 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,284 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,316 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,318 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,320 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,322 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,322 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,323 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,324 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,324 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,325 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,325 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:35,330 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 23:22:35,331 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,333 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,335 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,338 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,412 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,413 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,414 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,415 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,415 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,416 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,416 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,416 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,417 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,417 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,418 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,420 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,421 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,423 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,424 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:35,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,427 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,428 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,429 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,434 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,435 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,435 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,435 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,436 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,436 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,437 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,439 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,439 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,440 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,440 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,440 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,441 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,441 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,442 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,442 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,442 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,443 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,443 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:35,445 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,445 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,446 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,529 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,530 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,530 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,531 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,533 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,534 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,534 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,535 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,535 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,536 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,536 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,537 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,537 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,537 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,538 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,539 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,539 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,540 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,541 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:35,545 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,553 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,555 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,562 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,563 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:35,564 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,564 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,565 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,565 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,566 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,567 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-07-21 23:22:35,568 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,568 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,569 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,569 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,570 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,571 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,572 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,573 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,577 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 23:22:35,579 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:35,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-07-21 23:22:35,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,585 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:35,586 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,587 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 23:22:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 164 proven. 1108 refuted. 0 times theorem prover too weak. 7641 trivial. 0 not checked. [2020-07-21 23:22:35,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467842007] [2020-07-21 23:22:35,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:35,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 35] total 41 [2020-07-21 23:22:35,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700050775] [2020-07-21 23:22:35,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-07-21 23:22:35,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:35,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-07-21 23:22:35,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1272, Unknown=0, NotChecked=0, Total=1640 [2020-07-21 23:22:35,966 INFO L87 Difference]: Start difference. First operand 231 states and 290 transitions. Second operand 41 states. [2020-07-21 23:22:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:22:36,469 INFO L93 Difference]: Finished difference Result 237 states and 295 transitions. [2020-07-21 23:22:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 23:22:36,470 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 406 [2020-07-21 23:22:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:22:36,475 INFO L225 Difference]: With dead ends: 237 [2020-07-21 23:22:36,476 INFO L226 Difference]: Without dead ends: 228 [2020-07-21 23:22:36,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 756 SyntacticMatches, 16 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=395, Invalid=1585, Unknown=0, NotChecked=0, Total=1980 [2020-07-21 23:22:36,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-21 23:22:36,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-07-21 23:22:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-21 23:22:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-07-21 23:22:36,510 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 406 [2020-07-21 23:22:36,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:22:36,514 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-07-21 23:22:36,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-07-21 23:22:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-07-21 23:22:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-07-21 23:22:36,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:22:36,521 INFO L422 BasicCegarLoop]: trace histogram [64, 63, 63, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:22:36,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:36,736 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:22:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:22:36,737 INFO L82 PathProgramCache]: Analyzing trace with hash 246489207, now seen corresponding path program 4 times [2020-07-21 23:22:36,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:22:36,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034196677] [2020-07-21 23:22:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:22:36,872 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:22:36,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:22:36,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 65 conjunts are in the unsatisfiable core [2020-07-21 23:22:36,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 23:22:46,876 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:46,876 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 23:22:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9018 backedges. 164 proven. 1228 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2020-07-21 23:22:47,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 23:22:47,564 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:47,913 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:47,920 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:48,064 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:48,080 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:48,136 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:48,140 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:48,300 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:48,305 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 23:22:48,376 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:48,380 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 23:22:48,381 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 23:22:48,381 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:48,559 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 23:22:48,560 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 23:22:48,560 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 23:22:48,564 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 23:22:48,653 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 23:22:48,654 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 5, 1] term [2020-07-21 23:22:48,654 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 5 conjuncts [2020-07-21 23:22:48,660 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 23:22:48,849 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 23:22:48,850 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 5, 1] term [2020-07-21 23:22:48,850 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 5 conjuncts [2020-07-21 23:22:48,855 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 23:22:48,951 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:48,956 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:49,156 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:49,161 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 23:22:49,265 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 23:22:49,266 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 23:22:49,266 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 23:22:49,271 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 23:22:49,272 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 23:22:49,272 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 23:22:49,521 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 23:22:49,528 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 23:22:49,529 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 23:22:49,529 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 23:22:49,645 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 23:22:49,651 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 23:22:49,909 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 23:22:49,915 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 23:22:50,046 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 9 conjuncts [2020-07-21 23:22:50,051 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 9 conjuncts [2020-07-21 23:22:50,319 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 9 conjuncts [2020-07-21 23:22:50,325 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 2 conjuncts [2020-07-21 23:22:50,326 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[10, 9, 1] term [2020-07-21 23:22:50,326 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 9 conjuncts [2020-07-21 23:22:50,459 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 10 conjuncts [2020-07-21 23:22:50,465 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 10 conjuncts [2020-07-21 23:22:50,821 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 2 conjuncts [2020-07-21 23:22:50,822 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[11, 10, 1] term [2020-07-21 23:22:50,823 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 10 conjuncts [2020-07-21 23:22:50,828 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 10 conjuncts [2020-07-21 23:22:50,983 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 11 conjuncts [2020-07-21 23:22:50,989 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 11 conjuncts [2020-07-21 23:22:51,318 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 23:22:51,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:51,473 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 11 conjuncts [2020-07-21 23:22:51,474 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:51,474 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:51,557 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 11 conjuncts [2020-07-21 23:22:51,558 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:51,742 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 12 conjuncts [2020-07-21 23:22:51,743 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:51,757 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 2 conjuncts [2020-07-21 23:22:51,758 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 12 conjuncts [2020-07-21 23:22:52,165 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 2 conjuncts [2020-07-21 23:22:52,166 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 12 conjuncts [2020-07-21 23:22:52,173 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 12 conjuncts [2020-07-21 23:22:52,174 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:52,357 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 13 conjuncts [2020-07-21 23:22:52,358 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:52,366 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 13 conjuncts [2020-07-21 23:22:52,367 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:56,994 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:56,996 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:56,997 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:56,998 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:56,998 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:56,999 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,000 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,000 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,006 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,008 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,011 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,012 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,013 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,020 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,023 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,024 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,025 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,026 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,027 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,027 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,034 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,035 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,035 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,035 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,036 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,036 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,036 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,037 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,037 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,037 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,177 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,304 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,305 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,309 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,309 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,310 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,330 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,331 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,331 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 23:22:57,332 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:57,332 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 23:22:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9018 backedges. 164 proven. 1228 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2020-07-21 23:22:58,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034196677] [2020-07-21 23:22:58,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 23:22:58,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 95 [2020-07-21 23:22:58,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898521419] [2020-07-21 23:22:58,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 95 states [2020-07-21 23:22:58,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 23:22:58,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2020-07-21 23:22:58,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1062, Invalid=7868, Unknown=0, NotChecked=0, Total=8930 [2020-07-21 23:22:58,032 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 95 states. [2020-07-21 23:22:59,482 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 23:22:59,938 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-07-21 23:23:00,288 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-07-21 23:23:00,684 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-07-21 23:23:01,187 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2020-07-21 23:23:01,540 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2020-07-21 23:23:01,812 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-07-21 23:23:02,132 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 46 [2020-07-21 23:23:02,498 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-07-21 23:23:09,906 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 90 [2020-07-21 23:23:10,410 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-21 23:23:10,846 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-21 23:23:11,369 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-21 23:23:11,804 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-21 23:23:12,138 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-21 23:23:12,491 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-21 23:23:12,839 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-21 23:23:13,206 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-21 23:23:13,516 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-21 23:23:13,914 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-21 23:23:14,301 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-21 23:23:14,617 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-21 23:23:14,971 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 23:23:15,317 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-07-21 23:23:15,569 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 23:23:21,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 23:23:21,311 INFO L93 Difference]: Finished difference Result 341 states and 434 transitions. [2020-07-21 23:23:21,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-07-21 23:23:21,312 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 408 [2020-07-21 23:23:21,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 23:23:21,317 INFO L225 Difference]: With dead ends: 341 [2020-07-21 23:23:21,317 INFO L226 Difference]: Without dead ends: 339 [2020-07-21 23:23:21,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 898 GetRequests, 720 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10310 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=4141, Invalid=27365, Unknown=0, NotChecked=0, Total=31506 [2020-07-21 23:23:21,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-07-21 23:23:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2020-07-21 23:23:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-07-21 23:23:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 432 transitions. [2020-07-21 23:23:21,367 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 432 transitions. Word has length 408 [2020-07-21 23:23:21,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 23:23:21,368 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 432 transitions. [2020-07-21 23:23:21,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 95 states. [2020-07-21 23:23:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 432 transitions. [2020-07-21 23:23:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2020-07-21 23:23:21,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 23:23:21,377 INFO L422 BasicCegarLoop]: trace histogram [112, 111, 111, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 23:23:21,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:23:21,590 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 23:23:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 23:23:21,591 INFO L82 PathProgramCache]: Analyzing trace with hash 404246967, now seen corresponding path program 5 times [2020-07-21 23:23:21,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 23:23:21,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865119828] [2020-07-21 23:23:21,592 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 23:23:21,807 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 23:23:21,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 23:23:21,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 107 conjunts are in the unsatisfiable core [2020-07-21 23:23:21,830 INFO L286 TraceCheckSpWp]: Computing forward predicates...