/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 NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -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 14:14:36,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 14:14:36,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 14:14:36,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 14:14:36,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 14:14:36,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 14:14:36,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 14:14:36,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 14:14:36,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 14:14:36,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 14:14:36,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 14:14:36,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 14:14:36,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 14:14:36,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 14:14:36,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 14:14:36,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 14:14:36,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 14:14:36,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 14:14:36,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 14:14:36,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 14:14:36,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 14:14:36,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 14:14:36,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 14:14:36,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 14:14:36,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 14:14:36,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 14:14:36,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 14:14:36,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 14:14:36,348 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 14:14:36,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 14:14:36,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 14:14:36,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 14:14:36,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 14:14:36,373 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 14:14:36,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 14:14:36,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 14:14:36,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 14:14:36,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 14:14:36,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 14:14:36,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 14:14:36,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 14:14:36,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 14:14:36,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 14:14:36,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 14:14:36,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 14:14:36,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 14:14:36,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 14:14:36,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 14:14:36,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 14:14:36,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 14:14:36,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 14:14:36,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 14:14:36,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 14:14:36,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 14:14:36,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 14:14:36,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:36,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 14:14:36,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 14:14:36,379 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 -> NUM_FUNCTIONS 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 -> 2 [2020-07-21 14:14:36,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 14:14:36,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 14:14:36,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 14:14:36,722 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 14:14:36,722 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 14:14:36,723 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2020-07-21 14:14:36,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e323b32/a3560e1926c1456bb257dfe79ea6d2db/FLAG9c7dcb189 [2020-07-21 14:14:37,288 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 14:14:37,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2020-07-21 14:14:37,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e323b32/a3560e1926c1456bb257dfe79ea6d2db/FLAG9c7dcb189 [2020-07-21 14:14:37,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e323b32/a3560e1926c1456bb257dfe79ea6d2db [2020-07-21 14:14:37,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 14:14:37,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 14:14:37,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 14:14:37,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 14:14:37,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 14:14:37,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:37,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf5dce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37, skipping insertion in model container [2020-07-21 14:14:37,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:37,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 14:14:37,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 14:14:37,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 14:14:37,871 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 14:14:37,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 14:14:37,906 INFO L208 MainTranslator]: Completed translation [2020-07-21 14:14:37,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37 WrapperNode [2020-07-21 14:14:37,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 14:14:37,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 14:14:37,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 14:14:37,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 14:14:37,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:37,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:38,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:38,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:38,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:38,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:38,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (1/1) ... [2020-07-21 14:14:38,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 14:14:38,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 14:14:38,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 14:14:38,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 14:14:38,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (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 14:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 14:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 14:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 14:14:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 14:14:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 14:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 14:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 14:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 14:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 14:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 14:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 14:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 14:14:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 14:14:38,342 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 14:14:38,342 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 14:14:38,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:14:38 BoogieIcfgContainer [2020-07-21 14:14:38,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 14:14:38,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 14:14:38,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 14:14:38,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 14:14:38,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:14:37" (1/3) ... [2020-07-21 14:14:38,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456c4ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:14:38, skipping insertion in model container [2020-07-21 14:14:38,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:14:37" (2/3) ... [2020-07-21 14:14:38,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456c4ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:14:38, skipping insertion in model container [2020-07-21 14:14:38,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:14:38" (3/3) ... [2020-07-21 14:14:38,355 INFO L109 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i [2020-07-21 14:14:38,366 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 14:14:38,374 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 14:14:38,389 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 14:14:38,421 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 14:14:38,421 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 14:14:38,422 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 14:14:38,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 14:14:38,422 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 14:14:38,422 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 14:14:38,423 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 14:14:38,423 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 14:14:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-07-21 14:14:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-21 14:14:38,458 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:38,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:14:38,459 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:38,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:38,466 INFO L82 PathProgramCache]: Analyzing trace with hash 160437665, now seen corresponding path program 1 times [2020-07-21 14:14:38,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:38,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183830500] [2020-07-21 14:14:38,476 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:38,558 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:38,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:38,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 14:14:38,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:38,590 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 14:14:38,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:14:38,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183830500] [2020-07-21 14:14:38,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:14:38,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 14:14:38,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024103791] [2020-07-21 14:14:38,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 14:14:38,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:38,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 14:14:38,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 14:14:38,613 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 2 states. [2020-07-21 14:14:38,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:38,640 INFO L93 Difference]: Finished difference Result 61 states and 92 transitions. [2020-07-21 14:14:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 14:14:38,642 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-07-21 14:14:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:38,650 INFO L225 Difference]: With dead ends: 61 [2020-07-21 14:14:38,651 INFO L226 Difference]: Without dead ends: 29 [2020-07-21 14:14:38,655 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 14:14:38,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-21 14:14:38,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-21 14:14:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-21 14:14:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2020-07-21 14:14:38,697 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 14 [2020-07-21 14:14:38,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:38,698 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2020-07-21 14:14:38,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 14:14:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2020-07-21 14:14:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-21 14:14:38,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:38,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:14:38,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:38,916 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:38,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:38,918 INFO L82 PathProgramCache]: Analyzing trace with hash 89152719, now seen corresponding path program 1 times [2020-07-21 14:14:38,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:38,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893580507] [2020-07-21 14:14:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:38,958 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:38,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:38,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 14:14:38,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:38,993 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:39,020 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 14:14:39,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:14:39,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893580507] [2020-07-21 14:14:39,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:14:39,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 14:14:39,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461359602] [2020-07-21 14:14:39,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:14:39,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:39,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:14:39,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 14:14:39,025 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand 5 states. [2020-07-21 14:14:39,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:39,138 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2020-07-21 14:14:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 14:14:39,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-21 14:14:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:39,141 INFO L225 Difference]: With dead ends: 35 [2020-07-21 14:14:39,141 INFO L226 Difference]: Without dead ends: 33 [2020-07-21 14:14:39,143 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 14:14:39,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-21 14:14:39,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-21 14:14:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-21 14:14:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2020-07-21 14:14:39,168 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 15 [2020-07-21 14:14:39,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:39,169 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-07-21 14:14:39,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:14:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-07-21 14:14:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-21 14:14:39,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:39,173 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 14:14:39,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:39,385 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:39,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:39,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1105875316, now seen corresponding path program 1 times [2020-07-21 14:14:39,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:39,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729884450] [2020-07-21 14:14:39,388 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:39,428 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:39,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:39,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 14:14:39,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:39,466 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:39,469 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:39,487 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 14:14:39,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:14:39,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729884450] [2020-07-21 14:14:39,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:14:39,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 14:14:39,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136260772] [2020-07-21 14:14:39,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 14:14:39,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:39,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 14:14:39,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:14:39,490 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand 6 states. [2020-07-21 14:14:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:39,608 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2020-07-21 14:14:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:14:39,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-07-21 14:14:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:39,611 INFO L225 Difference]: With dead ends: 48 [2020-07-21 14:14:39,611 INFO L226 Difference]: Without dead ends: 46 [2020-07-21 14:14:39,612 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 14:14:39,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-21 14:14:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-07-21 14:14:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-21 14:14:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2020-07-21 14:14:39,625 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 20 [2020-07-21 14:14:39,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:39,626 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2020-07-21 14:14:39,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 14:14:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2020-07-21 14:14:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-21 14:14:39,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:39,628 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 14:14:39,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:39,843 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:39,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:39,844 INFO L82 PathProgramCache]: Analyzing trace with hash 726428669, now seen corresponding path program 1 times [2020-07-21 14:14:39,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:39,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081307530] [2020-07-21 14:14:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:39,882 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:39,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:39,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 14:14:39,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:39,912 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:39,930 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 14:14:39,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:14:39,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081307530] [2020-07-21 14:14:39,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:14:39,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 14:14:39,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436614166] [2020-07-21 14:14:39,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 14:14:39,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:39,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 14:14:39,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:14:39,933 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 6 states. [2020-07-21 14:14:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:40,044 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2020-07-21 14:14:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:14:40,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-07-21 14:14:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:40,046 INFO L225 Difference]: With dead ends: 55 [2020-07-21 14:14:40,046 INFO L226 Difference]: Without dead ends: 53 [2020-07-21 14:14:40,047 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 14:14:40,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-21 14:14:40,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2020-07-21 14:14:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-21 14:14:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2020-07-21 14:14:40,070 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 28 [2020-07-21 14:14:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:40,070 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2020-07-21 14:14:40,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 14:14:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2020-07-21 14:14:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-21 14:14:40,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:40,073 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 14:14:40,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:40,281 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:40,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:40,282 INFO L82 PathProgramCache]: Analyzing trace with hash 239914697, now seen corresponding path program 1 times [2020-07-21 14:14:40,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:40,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282603030] [2020-07-21 14:14:40,283 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:40,315 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:40,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:40,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 14:14:40,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:40,356 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:40,358 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:40,388 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 14:14:40,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:14:40,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282603030] [2020-07-21 14:14:40,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:14:40,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 14:14:40,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994804380] [2020-07-21 14:14:40,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 14:14:40,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:40,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 14:14:40,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 14:14:40,391 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand 7 states. [2020-07-21 14:14:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:40,555 INFO L93 Difference]: Finished difference Result 70 states and 89 transitions. [2020-07-21 14:14:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 14:14:40,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-07-21 14:14:40,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:40,557 INFO L225 Difference]: With dead ends: 70 [2020-07-21 14:14:40,557 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 14:14:40,558 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 14:14:40,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 14:14:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2020-07-21 14:14:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-21 14:14:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2020-07-21 14:14:40,570 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 31 [2020-07-21 14:14:40,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:40,570 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2020-07-21 14:14:40,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 14:14:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2020-07-21 14:14:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-21 14:14:40,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:40,572 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 14:14:40,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:40,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:40,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1617190790, now seen corresponding path program 1 times [2020-07-21 14:14:40,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:40,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580519201] [2020-07-21 14:14:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:40,830 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:40,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:40,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 14:14:40,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:40,869 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:40,870 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:40,887 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 14:14:40,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:14:40,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580519201] [2020-07-21 14:14:40,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:14:40,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 14:14:40,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001633802] [2020-07-21 14:14:40,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 14:14:40,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:40,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 14:14:40,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-21 14:14:40,890 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand 8 states. [2020-07-21 14:14:41,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:41,066 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2020-07-21 14:14:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 14:14:41,067 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-07-21 14:14:41,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:41,068 INFO L225 Difference]: With dead ends: 72 [2020-07-21 14:14:41,069 INFO L226 Difference]: Without dead ends: 70 [2020-07-21 14:14:41,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-21 14:14:41,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-21 14:14:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2020-07-21 14:14:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-21 14:14:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2020-07-21 14:14:41,085 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 33 [2020-07-21 14:14:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:41,085 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2020-07-21 14:14:41,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 14:14:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2020-07-21 14:14:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-21 14:14:41,088 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:41,088 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 14:14:41,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:41,303 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:41,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:41,304 INFO L82 PathProgramCache]: Analyzing trace with hash 260855770, now seen corresponding path program 1 times [2020-07-21 14:14:41,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:41,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716060708] [2020-07-21 14:14:41,305 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:41,340 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:41,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:41,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 14:14:41,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:41,473 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 14:14:41,509 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 14:14:41,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:41,530 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:41,651 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 14:14:41,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716060708] [2020-07-21 14:14:41,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:41,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-07-21 14:14:41,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785132278] [2020-07-21 14:14:41,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 14:14:41,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:41,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 14:14:41,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-21 14:14:41,654 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 13 states. [2020-07-21 14:14:42,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:42,171 INFO L93 Difference]: Finished difference Result 110 states and 146 transitions. [2020-07-21 14:14:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 14:14:42,177 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-07-21 14:14:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:42,179 INFO L225 Difference]: With dead ends: 110 [2020-07-21 14:14:42,180 INFO L226 Difference]: Without dead ends: 95 [2020-07-21 14:14:42,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-07-21 14:14:42,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-21 14:14:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-07-21 14:14:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-21 14:14:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 107 transitions. [2020-07-21 14:14:42,196 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 107 transitions. Word has length 56 [2020-07-21 14:14:42,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:42,197 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 107 transitions. [2020-07-21 14:14:42,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 14:14:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2020-07-21 14:14:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-21 14:14:42,199 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:42,199 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 14:14:42,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:42,402 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:42,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:42,403 INFO L82 PathProgramCache]: Analyzing trace with hash 266725463, now seen corresponding path program 1 times [2020-07-21 14:14:42,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:42,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386289995] [2020-07-21 14:14:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:42,439 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:42,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:42,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 14:14:42,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:42,500 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:42,501 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:42,519 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 14:14:42,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:42,533 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:42,608 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 14:14:42,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386289995] [2020-07-21 14:14:42,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:42,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-21 14:14:42,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035013438] [2020-07-21 14:14:42,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 14:14:42,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:42,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 14:14:42,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-07-21 14:14:42,611 INFO L87 Difference]: Start difference. First operand 87 states and 107 transitions. Second operand 12 states. [2020-07-21 14:14:42,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:42,803 INFO L93 Difference]: Finished difference Result 93 states and 112 transitions. [2020-07-21 14:14:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 14:14:42,803 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2020-07-21 14:14:42,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:42,807 INFO L225 Difference]: With dead ends: 93 [2020-07-21 14:14:42,807 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 14:14:42,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-07-21 14:14:42,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 14:14:42,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 14:14:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 14:14:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 110 transitions. [2020-07-21 14:14:42,821 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 110 transitions. Word has length 58 [2020-07-21 14:14:42,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:42,821 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 110 transitions. [2020-07-21 14:14:42,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 14:14:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2020-07-21 14:14:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 14:14:42,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:42,823 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:14:43,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:43,037 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:43,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:43,038 INFO L82 PathProgramCache]: Analyzing trace with hash 437927078, now seen corresponding path program 2 times [2020-07-21 14:14:43,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:43,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6465059] [2020-07-21 14:14:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:43,081 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:43,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:43,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 14:14:43,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:43,202 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:43,204 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-07-21 14:14:43,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:43,257 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-07-21 14:14:43,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6465059] [2020-07-21 14:14:43,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:43,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2020-07-21 14:14:43,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046669788] [2020-07-21 14:14:43,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 14:14:43,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:43,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 14:14:43,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2020-07-21 14:14:43,417 INFO L87 Difference]: Start difference. First operand 91 states and 110 transitions. Second operand 17 states. [2020-07-21 14:14:43,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:43,817 INFO L93 Difference]: Finished difference Result 112 states and 134 transitions. [2020-07-21 14:14:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 14:14:43,818 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 83 [2020-07-21 14:14:43,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:43,820 INFO L225 Difference]: With dead ends: 112 [2020-07-21 14:14:43,820 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 14:14:43,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2020-07-21 14:14:43,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 14:14:43,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2020-07-21 14:14:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 14:14:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2020-07-21 14:14:43,835 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 83 [2020-07-21 14:14:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:43,835 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2020-07-21 14:14:43,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 14:14:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2020-07-21 14:14:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-21 14:14:43,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:43,841 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 14:14:44,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:44,055 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:44,056 INFO L82 PathProgramCache]: Analyzing trace with hash 314554042, now seen corresponding path program 2 times [2020-07-21 14:14:44,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:44,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706233952] [2020-07-21 14:14:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:44,105 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:44,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:44,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 14:14:44,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:44,308 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 14:14:44,341 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 14:14:44,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:44,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,455 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,522 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,523 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,523 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,524 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,526 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,527 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:14:44,529 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,530 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,543 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:44,544 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,545 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,548 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,548 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,551 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:44,663 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 14:14:44,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706233952] [2020-07-21 14:14:44,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:44,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 14:14:44,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019214469] [2020-07-21 14:14:44,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 14:14:44,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:44,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 14:14:44,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-07-21 14:14:44,666 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 21 states. [2020-07-21 14:14:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:45,671 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2020-07-21 14:14:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-21 14:14:45,672 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 106 [2020-07-21 14:14:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:45,676 INFO L225 Difference]: With dead ends: 171 [2020-07-21 14:14:45,676 INFO L226 Difference]: Without dead ends: 147 [2020-07-21 14:14:45,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 189 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2020-07-21 14:14:45,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-21 14:14:45,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 139. [2020-07-21 14:14:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 14:14:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions. [2020-07-21 14:14:45,706 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 106 [2020-07-21 14:14:45,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:45,707 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions. [2020-07-21 14:14:45,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 14:14:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2020-07-21 14:14:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-21 14:14:45,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:45,709 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:14:45,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:45,925 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:45,926 INFO L82 PathProgramCache]: Analyzing trace with hash 331157303, now seen corresponding path program 3 times [2020-07-21 14:14:45,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:45,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316538281] [2020-07-21 14:14:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:45,969 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:45,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:45,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-21 14:14:45,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:46,121 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:46,122 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-07-21 14:14:46,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:46,193 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:46,322 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:46,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:46,375 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:46,380 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-07-21 14:14:46,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316538281] [2020-07-21 14:14:46,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:46,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2020-07-21 14:14:46,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289018173] [2020-07-21 14:14:46,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-21 14:14:46,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:46,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-21 14:14:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2020-07-21 14:14:46,442 INFO L87 Difference]: Start difference. First operand 139 states and 171 transitions. Second operand 23 states. [2020-07-21 14:14:47,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:47,154 INFO L93 Difference]: Finished difference Result 154 states and 188 transitions. [2020-07-21 14:14:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 14:14:47,157 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 108 [2020-07-21 14:14:47,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:47,159 INFO L225 Difference]: With dead ends: 154 [2020-07-21 14:14:47,160 INFO L226 Difference]: Without dead ends: 152 [2020-07-21 14:14:47,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 191 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=985, Unknown=0, NotChecked=0, Total=1260 [2020-07-21 14:14:47,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-21 14:14:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2020-07-21 14:14:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-21 14:14:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 177 transitions. [2020-07-21 14:14:47,199 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 177 transitions. Word has length 108 [2020-07-21 14:14:47,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:47,201 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 177 transitions. [2020-07-21 14:14:47,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-21 14:14:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 177 transitions. [2020-07-21 14:14:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 14:14:47,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:47,205 INFO L422 BasicCegarLoop]: trace histogram [24, 23, 23, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:14:47,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:47,420 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:47,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:47,420 INFO L82 PathProgramCache]: Analyzing trace with hash 335068695, now seen corresponding path program 4 times [2020-07-21 14:14:47,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:47,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368222233] [2020-07-21 14:14:47,421 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:47,476 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:47,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:47,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 26 conjunts are in the unsatisfiable core [2020-07-21 14:14:47,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:47,829 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:47,830 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 46 proven. 135 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-07-21 14:14:47,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:47,999 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:48,170 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:48,177 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:48,247 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:48,252 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:48,294 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:14:48,301 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:14:48,391 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 14:14:48,393 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 14:14:48,394 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:48,405 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 14:14:48,406 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 14:14:48,406 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:48,452 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 14:14:48,453 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 14:14:48,454 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 14:14:48,466 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 14:14:48,467 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 14:14:48,467 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 14:14:48,548 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 14:14:48,549 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 14:14:48,549 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 14:14:48,554 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:14:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 46 proven. 135 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-07-21 14:14:48,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368222233] [2020-07-21 14:14:48,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:48,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2020-07-21 14:14:48,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75401343] [2020-07-21 14:14:48,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-07-21 14:14:48,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:48,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-07-21 14:14:48,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2020-07-21 14:14:48,689 INFO L87 Difference]: Start difference. First operand 147 states and 177 transitions. Second operand 35 states. [2020-07-21 14:14:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:51,169 INFO L93 Difference]: Finished difference Result 202 states and 257 transitions. [2020-07-21 14:14:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-21 14:14:51,170 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 158 [2020-07-21 14:14:51,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:51,173 INFO L225 Difference]: With dead ends: 202 [2020-07-21 14:14:51,173 INFO L226 Difference]: Without dead ends: 200 [2020-07-21 14:14:51,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 279 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=725, Invalid=3181, Unknown=0, NotChecked=0, Total=3906 [2020-07-21 14:14:51,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-21 14:14:51,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 168. [2020-07-21 14:14:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-21 14:14:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 204 transitions. [2020-07-21 14:14:51,191 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 204 transitions. Word has length 158 [2020-07-21 14:14:51,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:51,192 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 204 transitions. [2020-07-21 14:14:51,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-07-21 14:14:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 204 transitions. [2020-07-21 14:14:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-21 14:14:51,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:51,195 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 14:14:51,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:51,409 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:51,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:51,410 INFO L82 PathProgramCache]: Analyzing trace with hash 254282874, now seen corresponding path program 3 times [2020-07-21 14:14:51,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:51,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500670024] [2020-07-21 14:14:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:51,492 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:51,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:51,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 14:14:51,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:51,867 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 14:14:51,930 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 14:14:51,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:51,939 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,027 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,031 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,100 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,101 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,102 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,102 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,103 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,103 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,104 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,104 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,114 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,115 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,115 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,117 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,118 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,215 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,216 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,217 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,217 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,218 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,220 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,227 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,227 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,228 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,228 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,229 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,229 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,230 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,233 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,327 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,328 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,330 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,334 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,335 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,335 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,335 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,336 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,337 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,338 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,449 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,449 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,450 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,450 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,451 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,451 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,452 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,453 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,459 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,460 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:14:52,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,462 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,463 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,463 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,476 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,593 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,594 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,594 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:14:52,595 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,595 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,596 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,596 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,597 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,601 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,601 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,601 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,602 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,602 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:52,604 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:52,770 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 14:14:52,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500670024] [2020-07-21 14:14:52,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:52,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 37 [2020-07-21 14:14:52,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933386818] [2020-07-21 14:14:52,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-07-21 14:14:52,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:52,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-07-21 14:14:52,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=896, Unknown=0, NotChecked=0, Total=1332 [2020-07-21 14:14:52,772 INFO L87 Difference]: Start difference. First operand 168 states and 204 transitions. Second operand 37 states. [2020-07-21 14:14:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:14:54,794 INFO L93 Difference]: Finished difference Result 275 states and 376 transitions. [2020-07-21 14:14:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-21 14:14:54,795 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 206 [2020-07-21 14:14:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:14:54,798 INFO L225 Difference]: With dead ends: 275 [2020-07-21 14:14:54,798 INFO L226 Difference]: Without dead ends: 239 [2020-07-21 14:14:54,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1051, Invalid=2371, Unknown=0, NotChecked=0, Total=3422 [2020-07-21 14:14:54,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-07-21 14:14:54,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 231. [2020-07-21 14:14:54,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-21 14:14:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 290 transitions. [2020-07-21 14:14:54,821 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 290 transitions. Word has length 206 [2020-07-21 14:14:54,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:14:54,822 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 290 transitions. [2020-07-21 14:14:54,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-07-21 14:14:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 290 transitions. [2020-07-21 14:14:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-07-21 14:14:54,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:14:54,826 INFO L422 BasicCegarLoop]: trace histogram [40, 39, 39, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:14:55,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:14:55,041 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:14:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:14:55,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1789545513, now seen corresponding path program 5 times [2020-07-21 14:14:55,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:14:55,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802345345] [2020-07-21 14:14:55,043 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:14:55,119 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:14:55,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:14:55,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-21 14:14:55,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:14:56,461 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:56,462 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:14:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3447 backedges. 78 proven. 405 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2020-07-21 14:14:56,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:14:56,730 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:56,994 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:56,999 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:57,098 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:57,103 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:14:57,159 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:14:57,163 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 14:14:57,164 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 14:14:57,164 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:57,277 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 14:14:57,277 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 14:14:57,277 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:14:57,282 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:14:57,349 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:14:57,354 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 14:14:57,354 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 14:14:57,354 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 14:14:57,481 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:14:57,486 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 14:14:57,487 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 4, 1] term [2020-07-21 14:14:57,487 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-07-21 14:14:57,560 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:14:57,569 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:14:57,722 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:14:57,725 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 14:14:57,726 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 5, 1] term [2020-07-21 14:14:57,727 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 5 conjuncts [2020-07-21 14:14:57,803 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 14:14:57,804 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-07-21 14:14:57,804 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 6 conjuncts [2020-07-21 14:14:57,808 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 14:14:57,809 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-07-21 14:14:57,809 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 6 conjuncts [2020-07-21 14:14:57,967 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 14:14:57,967 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-07-21 14:14:57,968 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 6 conjuncts [2020-07-21 14:14:57,975 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 14:14:58,066 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 14:14:58,067 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 14:14:58,067 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 14:14:58,076 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 14:14:58,260 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 14:14:58,260 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 14:14:58,261 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 14:14:58,265 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 7 conjuncts [2020-07-21 14:14:58,369 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 14:14:58,371 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[9, 8, 1] term [2020-07-21 14:14:58,371 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 8 conjuncts [2020-07-21 14:14:58,378 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 14:14:58,592 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 14:14:58,596 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 14:14:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3447 backedges. 78 proven. 405 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2020-07-21 14:14:58,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802345345] [2020-07-21 14:14:58,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:14:58,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 59 [2020-07-21 14:14:58,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975162727] [2020-07-21 14:14:58,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2020-07-21 14:14:58,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:14:58,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2020-07-21 14:14:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=2888, Unknown=0, NotChecked=0, Total=3422 [2020-07-21 14:14:58,895 INFO L87 Difference]: Start difference. First operand 231 states and 290 transitions. Second operand 59 states. [2020-07-21 14:15:01,719 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-07-21 14:15:01,958 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 14:15:02,155 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 14:15:02,408 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 14:15:05,192 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 14:15:05,728 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 14:15:06,205 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-07-21 14:15:06,592 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-21 14:15:06,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:15:06,723 INFO L93 Difference]: Finished difference Result 286 states and 370 transitions. [2020-07-21 14:15:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-21 14:15:06,723 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 258 [2020-07-21 14:15:06,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:15:06,727 INFO L225 Difference]: With dead ends: 286 [2020-07-21 14:15:06,727 INFO L226 Difference]: Without dead ends: 284 [2020-07-21 14:15:06,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 455 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3001 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=2006, Invalid=10204, Unknown=0, NotChecked=0, Total=12210 [2020-07-21 14:15:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-07-21 14:15:06,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 252. [2020-07-21 14:15:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-07-21 14:15:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 317 transitions. [2020-07-21 14:15:06,757 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 317 transitions. Word has length 258 [2020-07-21 14:15:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:15:06,758 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 317 transitions. [2020-07-21 14:15:06,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 59 states. [2020-07-21 14:15:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 317 transitions. [2020-07-21 14:15:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-07-21 14:15:06,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:15:06,766 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 14:15:06,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:15:06,981 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:15:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:15:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1039722502, now seen corresponding path program 4 times [2020-07-21 14:15:06,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:15:06,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942585751] [2020-07-21 14:15:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 14:15:07,102 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:15:07,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:15:07,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-21 14:15:07,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:15:08,126 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 14:15:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 126 proven. 975 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2020-07-21 14:15:08,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:15:08,350 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,468 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,472 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,558 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,559 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,559 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,560 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,560 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,561 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:08,562 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,565 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,697 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,698 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,698 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:08,698 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,699 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,699 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,699 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,700 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,700 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,707 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,708 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,708 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,709 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,710 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,710 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:08,711 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,717 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,718 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,831 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,831 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:08,832 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,837 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,838 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,838 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:08,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,960 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,961 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,961 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,961 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,962 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,962 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,963 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,967 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,967 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,967 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:08,968 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,969 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,969 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:08,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,095 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,096 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,096 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,096 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,097 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,115 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,117 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,117 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,118 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,269 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,270 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,270 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,271 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,272 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,273 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,273 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,274 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,283 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,289 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,290 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,290 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,291 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,291 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,291 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,292 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,424 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,424 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,425 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,426 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,432 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,433 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,433 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,433 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,434 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,434 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,434 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,435 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,585 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,726 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,727 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,727 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,727 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,728 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,728 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,728 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,729 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,734 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,734 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,735 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,735 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,736 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,736 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,736 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,742 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,743 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,889 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,890 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,890 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,891 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,891 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,892 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:09,892 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,893 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,901 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,907 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,907 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,908 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,908 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,909 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,909 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,910 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:09,910 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:09,911 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,092 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,093 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,094 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,094 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,095 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,096 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:10,096 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,098 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,104 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,105 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,105 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,106 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,107 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,107 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,108 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,110 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,306 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:10,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,309 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,316 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,317 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,318 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,318 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,464 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,465 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,465 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:10,466 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,466 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,467 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,467 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,468 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,469 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,476 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,476 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,477 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:15:10,477 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,478 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,478 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,479 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:15:10,481 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,482 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:15:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 126 proven. 975 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2020-07-21 14:15:10,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942585751] [2020-07-21 14:15:10,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:15:10,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 69 [2020-07-21 14:15:10,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456639874] [2020-07-21 14:15:10,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-07-21 14:15:10,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:15:10,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-07-21 14:15:10,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1628, Invalid=3064, Unknown=0, NotChecked=0, Total=4692 [2020-07-21 14:15:10,878 INFO L87 Difference]: Start difference. First operand 252 states and 317 transitions. Second operand 69 states. [2020-07-21 14:15:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:15:15,662 INFO L93 Difference]: Finished difference Result 455 states and 649 transitions. [2020-07-21 14:15:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-07-21 14:15:15,663 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 406 [2020-07-21 14:15:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:15:15,668 INFO L225 Difference]: With dead ends: 455 [2020-07-21 14:15:15,668 INFO L226 Difference]: Without dead ends: 395 [2020-07-21 14:15:15,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 741 SyntacticMatches, 3 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5135 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=3587, Invalid=7755, Unknown=0, NotChecked=0, Total=11342 [2020-07-21 14:15:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-21 14:15:15,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 387. [2020-07-21 14:15:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-21 14:15:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 507 transitions. [2020-07-21 14:15:15,706 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 507 transitions. Word has length 406 [2020-07-21 14:15:15,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:15:15,707 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 507 transitions. [2020-07-21 14:15:15,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-07-21 14:15:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 507 transitions. [2020-07-21 14:15:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-07-21 14:15:15,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:15:15,711 INFO L422 BasicCegarLoop]: trace histogram [72, 71, 71, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:15:15,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:15:15,924 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:15:15,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:15:15,925 INFO L82 PathProgramCache]: Analyzing trace with hash 162398039, now seen corresponding path program 6 times [2020-07-21 14:15:15,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:15:15,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999444942] [2020-07-21 14:15:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:15:16,056 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:15:16,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:15:16,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 74 conjunts are in the unsatisfiable core [2020-07-21 14:15:16,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:16:25,611 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:16:25,612 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 14:16:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 11459 backedges. 142 proven. 1377 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2020-07-21 14:16:26,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:16:26,528 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:16:26,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:16:26,973 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:16:27,165 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:16:27,169 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:16:27,269 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 14:16:27,269 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 3, 1] term [2020-07-21 14:16:27,270 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:16:27,275 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:16:27,491 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:16:27,495 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-07-21 14:16:27,612 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:16:27,619 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:16:27,866 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:16:27,875 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-07-21 14:16:28,003 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:16:28,010 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:16:28,267 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:16:28,271 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 5 conjuncts [2020-07-21 14:16:28,402 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 14:16:28,407 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 14:16:28,677 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 14:16:28,682 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 14:16:28,826 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 14:16:28,827 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 14:16:28,827 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 14:16:28,838 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 14:16:28,839 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 14:16:28,840 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 14:16:29,123 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 14:16:29,123 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 14:16:29,124 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 14:16:29,141 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 14:16:29,141 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[8, 7, 1] term [2020-07-21 14:16:29,141 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-07-21 14:16:29,300 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 14:16:29,301 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[9, 8, 1] term [2020-07-21 14:16:29,301 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 8 conjuncts [2020-07-21 14:16:29,306 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 14:16:29,306 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[9, 8, 1] term [2020-07-21 14:16:29,307 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 8 conjuncts [2020-07-21 14:16:29,617 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 2 conjuncts [2020-07-21 14:16:29,618 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[9, 8, 1] term [2020-07-21 14:16:29,618 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 8 conjuncts [2020-07-21 14:16:29,623 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 8 conjuncts [2020-07-21 14:16:29,785 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 9 conjuncts [2020-07-21 14:16:29,789 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 9 conjuncts [2020-07-21 14:16:30,145 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 9 conjuncts [2020-07-21 14:16:30,149 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 2 conjuncts [2020-07-21 14:16:30,150 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[10, 9, 1] term [2020-07-21 14:16:30,150 INFO L501 QuantifierPusher]: Distributing 8 disjuncts over 9 conjuncts [2020-07-21 14:16:30,337 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 2 conjuncts [2020-07-21 14:16:30,337 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[11, 10, 1] term [2020-07-21 14:16:30,337 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 10 conjuncts [2020-07-21 14:16:30,342 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 2 conjuncts [2020-07-21 14:16:30,343 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[11, 10, 1] term [2020-07-21 14:16:30,343 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 10 conjuncts [2020-07-21 14:16:30,697 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 2 conjuncts [2020-07-21 14:16:30,697 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[11, 10, 1] term [2020-07-21 14:16:30,697 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 10 conjuncts [2020-07-21 14:16:30,702 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 2 conjuncts [2020-07-21 14:16:30,702 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[11, 10, 1] term [2020-07-21 14:16:30,703 INFO L501 QuantifierPusher]: Distributing 9 disjuncts over 10 conjuncts [2020-07-21 14:16:30,897 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 2 conjuncts [2020-07-21 14:16:30,898 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[12, 11, 1] term [2020-07-21 14:16:30,898 INFO L501 QuantifierPusher]: Distributing 10 disjuncts over 11 conjuncts [2020-07-21 14:16:30,903 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 11 conjuncts [2020-07-21 14:16:31,276 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 11 conjuncts [2020-07-21 14:16:31,281 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 11 conjuncts [2020-07-21 14:16:31,482 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 12 conjuncts [2020-07-21 14:16:31,488 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 12 conjuncts [2020-07-21 14:16:31,898 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 2 conjuncts [2020-07-21 14:16:31,898 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[13, 12, 1] term [2020-07-21 14:16:31,899 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 12 conjuncts [2020-07-21 14:16:31,904 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 2 conjuncts [2020-07-21 14:16:31,905 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[13, 12, 1] term [2020-07-21 14:16:31,905 INFO L501 QuantifierPusher]: Distributing 11 disjuncts over 12 conjuncts [2020-07-21 14:16:32,128 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 2 conjuncts [2020-07-21 14:16:32,129 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[14, 13, 1] term [2020-07-21 14:16:32,129 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 13 conjuncts [2020-07-21 14:16:32,133 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 2 conjuncts [2020-07-21 14:16:32,134 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[14, 13, 1] term [2020-07-21 14:16:32,134 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 13 conjuncts [2020-07-21 14:16:32,569 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 2 conjuncts [2020-07-21 14:16:32,570 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[14, 13, 1] term [2020-07-21 14:16:32,571 INFO L501 QuantifierPusher]: Distributing 12 disjuncts over 13 conjuncts [2020-07-21 14:16:32,576 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 13 conjuncts [2020-07-21 14:16:32,802 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 2 conjuncts [2020-07-21 14:16:32,803 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[15, 14, 1] term [2020-07-21 14:16:32,804 INFO L501 QuantifierPusher]: Distributing 13 disjuncts over 14 conjuncts [2020-07-21 14:16:32,809 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 14 conjuncts [2020-07-21 14:16:33,272 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 14 conjuncts [2020-07-21 14:16:33,284 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 14 conjuncts [2020-07-21 14:16:33,527 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 15 conjuncts [2020-07-21 14:16:33,532 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 2 conjuncts [2020-07-21 14:16:33,533 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[16, 15, 1] term [2020-07-21 14:16:33,533 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 15 conjuncts [2020-07-21 14:16:34,030 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 2 conjuncts [2020-07-21 14:16:34,031 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[16, 15, 1] term [2020-07-21 14:16:34,031 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 15 conjuncts [2020-07-21 14:16:34,037 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 2 conjuncts [2020-07-21 14:16:34,038 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[16, 15, 1] term [2020-07-21 14:16:34,038 INFO L501 QuantifierPusher]: Distributing 14 disjuncts over 15 conjuncts [2020-07-21 14:16:34,312 INFO L501 QuantifierPusher]: Distributing 16 disjuncts over 2 conjuncts [2020-07-21 14:16:34,313 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[17, 16, 1] term [2020-07-21 14:16:34,313 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 16 conjuncts [2020-07-21 14:16:34,320 INFO L501 QuantifierPusher]: Distributing 16 disjuncts over 16 conjuncts [2020-07-21 14:16:34,841 INFO L501 QuantifierPusher]: Distributing 16 disjuncts over 2 conjuncts [2020-07-21 14:16:34,842 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[17, 16, 1] term [2020-07-21 14:16:34,842 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 16 conjuncts [2020-07-21 14:16:34,852 INFO L501 QuantifierPusher]: Distributing 16 disjuncts over 2 conjuncts [2020-07-21 14:16:34,853 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[17, 16, 1] term [2020-07-21 14:16:34,853 INFO L501 QuantifierPusher]: Distributing 15 disjuncts over 16 conjuncts [2020-07-21 14:16:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 11459 backedges. 142 proven. 1377 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2020-07-21 14:16:35,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999444942] [2020-07-21 14:16:35,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:16:35,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 107 [2020-07-21 14:16:35,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559870454] [2020-07-21 14:16:35,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 107 states [2020-07-21 14:16:35,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:16:35,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2020-07-21 14:16:35,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1670, Invalid=9672, Unknown=0, NotChecked=0, Total=11342 [2020-07-21 14:16:35,947 INFO L87 Difference]: Start difference. First operand 387 states and 507 transitions. Second operand 107 states. [2020-07-21 14:16:47,935 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 96 [2020-07-21 14:16:48,705 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-21 14:16:49,393 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-21 14:16:50,113 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-21 14:16:50,841 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-21 14:16:51,423 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-21 14:16:52,042 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-21 14:16:52,670 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-21 14:16:53,222 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 14:16:53,760 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-21 14:16:54,324 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-21 14:16:54,956 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-21 14:16:55,532 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-21 14:16:56,109 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 14:16:56,682 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-21 14:16:57,210 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-21 14:16:57,737 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-21 14:16:58,259 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-21 14:16:58,734 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-21 14:16:59,206 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-21 14:16:59,669 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 14:17:00,103 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-07-21 14:17:00,573 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-21 14:17:00,998 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-21 14:17:01,411 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-07-21 14:17:01,829 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-07-21 14:17:02,210 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-07-21 14:17:02,588 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-07-21 14:17:02,970 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-07-21 14:17:03,311 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-07-21 14:17:09,097 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-21 14:17:10,720 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-21 14:17:12,262 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-21 14:17:13,617 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-21 14:17:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:17:14,047 INFO L93 Difference]: Finished difference Result 442 states and 587 transitions. [2020-07-21 14:17:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2020-07-21 14:17:14,048 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 458 [2020-07-21 14:17:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:17:14,053 INFO L225 Difference]: With dead ends: 442 [2020-07-21 14:17:14,053 INFO L226 Difference]: Without dead ends: 440 [2020-07-21 14:17:14,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 807 SyntacticMatches, 3 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11045 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=6486, Invalid=36156, Unknown=0, NotChecked=0, Total=42642 [2020-07-21 14:17:14,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-07-21 14:17:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 408. [2020-07-21 14:17:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-07-21 14:17:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 534 transitions. [2020-07-21 14:17:14,121 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 534 transitions. Word has length 458 [2020-07-21 14:17:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:17:14,123 INFO L479 AbstractCegarLoop]: Abstraction has 408 states and 534 transitions. [2020-07-21 14:17:14,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 107 states. [2020-07-21 14:17:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 534 transitions. [2020-07-21 14:17:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2020-07-21 14:17:14,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:17:14,132 INFO L422 BasicCegarLoop]: trace histogram [128, 127, 127, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:17:14,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:17:14,338 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:17:14,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:17:14,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1144958714, now seen corresponding path program 5 times [2020-07-21 14:17:14,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:17:14,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81093746] [2020-07-21 14:17:14,340 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:17:14,557 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:17:14,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:17:14,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 70 conjunts are in the unsatisfiable core [2020-07-21 14:17:14,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:17:18,453 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 14:17:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 36505 backedges. 254 proven. 4247 refuted. 0 times theorem prover too weak. 32004 trivial. 0 not checked. [2020-07-21 14:17:19,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:17:19,267 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,486 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,495 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,657 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,657 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,658 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,658 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,658 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,658 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,675 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,675 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,676 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,676 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,676 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,677 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:19,677 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,677 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,678 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,679 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,869 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,870 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,870 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,870 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:19,870 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,871 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,872 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,880 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,880 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,881 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,881 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:19,882 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:19,882 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:19,883 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,088 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,088 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,089 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,089 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,090 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,090 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,091 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,110 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,111 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,111 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,112 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,112 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,112 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:20,113 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,114 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,342 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,342 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:20,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,343 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,344 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,344 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,345 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,353 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,354 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:20,355 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,570 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,571 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,572 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:20,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,575 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,821 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,835 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,836 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,836 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,836 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,836 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,837 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:20,837 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,837 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:20,838 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:20,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,067 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,067 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,069 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,070 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,077 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,077 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,077 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,079 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,080 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,081 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,307 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,308 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,309 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,309 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,310 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,310 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,310 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,312 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,320 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,320 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,320 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,570 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,570 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,571 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,571 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,571 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,572 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,572 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,580 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,829 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,829 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,829 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,831 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,838 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,838 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:21,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:21,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:21,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,128 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,129 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,129 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,129 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,130 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,130 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,131 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,140 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,140 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,141 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,141 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,141 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,142 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,409 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,410 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,410 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,410 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,411 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,411 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:22,411 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,413 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,422 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,423 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,711 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,711 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,711 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,712 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,712 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,712 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:22,713 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,713 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,715 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,736 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,737 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,737 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,738 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,738 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,739 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:22,739 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,740 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:22,741 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:22,742 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,001 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,002 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,002 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:23,003 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,003 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,003 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,004 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,005 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,010 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,011 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,011 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,012 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,267 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,268 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,268 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:23,268 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,269 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,269 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,269 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,270 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,271 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,278 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,279 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,280 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,280 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,281 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,282 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,590 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,591 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,591 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,592 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,592 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,593 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,593 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,594 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,595 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,875 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,876 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,876 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,876 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,877 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,877 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:23,877 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,878 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,884 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,894 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,894 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,895 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:23,895 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,895 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,896 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,896 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,897 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:23,898 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:23,899 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,190 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,190 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,190 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,191 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,191 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,191 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:24,192 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,192 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,193 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,201 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,201 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,201 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,202 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,202 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,202 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:24,202 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,204 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,204 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,503 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,503 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,503 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,505 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,512 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,513 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,513 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:24,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,516 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,517 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,817 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,827 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,827 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:24,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,828 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,829 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,829 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:24,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:24,831 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,142 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,142 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:25,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,143 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,144 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,144 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,145 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,152 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,153 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,154 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,154 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,154 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,155 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,155 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,156 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,474 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:25,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,476 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,483 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,483 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,483 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:25,485 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,485 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,486 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,487 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,807 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,808 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,808 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:25,808 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,808 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,809 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,809 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,809 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,810 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,817 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,818 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,819 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:25,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,821 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:25,822 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:25,823 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,147 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,148 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,148 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:26,149 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,149 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,150 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,150 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,150 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,152 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,159 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,160 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,160 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,161 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,162 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,163 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,493 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,494 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,495 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,495 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,496 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,496 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,496 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,503 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,505 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,505 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,505 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,506 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,840 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:26,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,842 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,850 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,861 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:26,861 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,861 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,862 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,862 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:26,863 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,208 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,208 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,209 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,209 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,209 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,210 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,210 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,210 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,218 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,218 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,220 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,220 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:27,220 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,222 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,222 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,572 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,574 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,583 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:27,584 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,585 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,586 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,955 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,956 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,956 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,956 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,957 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,957 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,957 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,970 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 14:17:27,971 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,971 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,971 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,972 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 14:17:27,973 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:27,974 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 14:17:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 36505 backedges. 254 proven. 4247 refuted. 0 times theorem prover too weak. 32004 trivial. 0 not checked. [2020-07-21 14:17:29,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81093746] [2020-07-21 14:17:29,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 14:17:29,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69] total 133 [2020-07-21 14:17:29,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753072019] [2020-07-21 14:17:29,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 133 states [2020-07-21 14:17:29,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:17:29,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2020-07-21 14:17:29,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6316, Invalid=11240, Unknown=0, NotChecked=0, Total=17556 [2020-07-21 14:17:29,482 INFO L87 Difference]: Start difference. First operand 408 states and 534 transitions. Second operand 133 states. [2020-07-21 14:17:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:17:49,773 INFO L93 Difference]: Finished difference Result 803 states and 1186 transitions. [2020-07-21 14:17:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2020-07-21 14:17:49,778 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 806 [2020-07-21 14:17:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:17:49,783 INFO L225 Difference]: With dead ends: 803 [2020-07-21 14:17:49,783 INFO L226 Difference]: Without dead ends: 695 [2020-07-21 14:17:49,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1681 GetRequests, 1477 SyntacticMatches, 3 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19503 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=13267, Invalid=27739, Unknown=0, NotChecked=0, Total=41006 [2020-07-21 14:17:49,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2020-07-21 14:17:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 687. [2020-07-21 14:17:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-07-21 14:17:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 932 transitions. [2020-07-21 14:17:49,866 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 932 transitions. Word has length 806 [2020-07-21 14:17:49,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:17:49,867 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 932 transitions. [2020-07-21 14:17:49,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 133 states. [2020-07-21 14:17:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 932 transitions. [2020-07-21 14:17:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2020-07-21 14:17:49,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:17:49,878 INFO L422 BasicCegarLoop]: trace histogram [136, 135, 135, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:17:50,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:17:50,091 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:17:50,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:17:50,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1293424215, now seen corresponding path program 7 times [2020-07-21 14:17:50,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:17:50,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401587057] [2020-07-21 14:17:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:17:50,347 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:17:50,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:17:50,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 138 conjunts are in the unsatisfiable core [2020-07-21 14:17:50,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:17:56,514 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-21 14:17:56,750 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-21 14:17:57,244 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-21 14:17:57,504 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-21 14:17:57,756 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-21 14:17:58,036 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-21 14:17:58,298 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-21 14:17:58,565 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-21 14:17:58,864 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-21 14:17:59,169 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-21 14:17:59,471 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-21 14:17:59,785 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-21 14:18:00,118 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-21 14:18:00,470 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-21 14:18:00,810 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-21 14:18:01,146 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-21 14:18:01,474 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-21 14:18:01,828 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 14:18:02,188 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-21 14:18:02,561 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-21 14:18:02,948 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-21 14:18:03,330 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-21 14:18:03,709 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-21 14:18:04,088 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-21 14:18:04,490 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 14:18:04,904 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 14:18:05,342 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-21 14:18:05,775 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-21 14:18:06,203 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-21 14:18:06,650 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-21 14:18:07,109 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-21 14:18:07,623 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-21 14:18:08,147 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-21 14:18:08,645 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-21 14:18:09,133 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-21 14:18:09,668 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-21 14:18:10,245 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-21 14:18:10,805 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-21 14:18:11,352 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-21 14:18:11,944 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-21 14:18:12,538 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-21 14:18:13,122 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-21 14:18:13,781 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-21 14:18:14,422 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 104