/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:39:37,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:39:37,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:39:38,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 05:39:38,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 05:39:38,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:39:38,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:39:38,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:39:38,087 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:39:38,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:39:38,087 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:39:38,087 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:39:38,088 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:39:38,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:39:38,088 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:39:38,088 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:39:38,088 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:39:38,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:39:38,089 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:39:38,089 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:39:38,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:39:38,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:39:38,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:39:38,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:39:38,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:39:38,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:39:38,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:39:38,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:39:38,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:39:38,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:39:38,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:39:38,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:39:38,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:39:38,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:39:38,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:39:38,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:39:38,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:39:38,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:39:38,101 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:39:38,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:39:38,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:39:38,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:39:38,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:39:38,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:39:38,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:39:38,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:39:38,389 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:39:38,389 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:39:38,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-11-24 05:39:38,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb925622/882817bb49214e7db1234500383b6efe/FLAGcf37e2816 [2019-11-24 05:39:38,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:39:38,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-11-24 05:39:38,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb925622/882817bb49214e7db1234500383b6efe/FLAGcf37e2816 [2019-11-24 05:39:39,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb925622/882817bb49214e7db1234500383b6efe [2019-11-24 05:39:39,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:39:39,339 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:39:39,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:39:39,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:39:39,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:39:39,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90e1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39, skipping insertion in model container [2019-11-24 05:39:39,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:39:39,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:39:39,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:39:39,552 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:39:39,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:39:39,587 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:39:39,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39 WrapperNode [2019-11-24 05:39:39,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:39:39,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:39:39,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:39:39,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:39:39,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:39:39,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:39:39,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:39:39,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:39:39,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (1/1) ... [2019-11-24 05:39:39,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:39:39,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:39:39,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:39:39,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:39:39,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (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 [2019-11-24 05:39:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 05:39:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:39:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:39:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 05:39:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:39:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 05:39:40,358 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:39:40,359 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 05:39:40,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:39:40 BoogieIcfgContainer [2019-11-24 05:39:40,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:39:40,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:39:40,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:39:40,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:39:40,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:39:39" (1/3) ... [2019-11-24 05:39:40,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c26a524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:39:40, skipping insertion in model container [2019-11-24 05:39:40,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:39:39" (2/3) ... [2019-11-24 05:39:40,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c26a524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:39:40, skipping insertion in model container [2019-11-24 05:39:40,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:39:40" (3/3) ... [2019-11-24 05:39:40,369 INFO L109 eAbstractionObserver]: Analyzing ICFG avg05-1.i [2019-11-24 05:39:40,379 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:39:40,387 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 05:39:40,398 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 05:39:40,419 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:39:40,420 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:39:40,420 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:39:40,420 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:39:40,420 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:39:40,420 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:39:40,420 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:39:40,421 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:39:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-24 05:39:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:39:40,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:39:40,440 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:39:40,440 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:39:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:39:40,445 INFO L82 PathProgramCache]: Analyzing trace with hash 652281750, now seen corresponding path program 1 times [2019-11-24 05:39:40,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:39:40,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077409224] [2019-11-24 05:39:40,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:39:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:39:40,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077409224] [2019-11-24 05:39:40,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:39:40,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:39:40,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894218095] [2019-11-24 05:39:40,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:39:40,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:39:40,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:39:40,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:39:40,623 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-24 05:39:40,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:39:40,657 INFO L93 Difference]: Finished difference Result 21 states and 31 transitions. [2019-11-24 05:39:40,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:39:40,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:39:40,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:39:40,671 INFO L225 Difference]: With dead ends: 21 [2019-11-24 05:39:40,671 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 05:39:40,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:39:40,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 05:39:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 05:39:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 05:39:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2019-11-24 05:39:40,723 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 14 transitions. Word has length 8 [2019-11-24 05:39:40,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:39:40,724 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-24 05:39:40,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:39:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-24 05:39:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 05:39:40,725 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:39:40,725 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:39:40,726 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:39:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:39:40,727 INFO L82 PathProgramCache]: Analyzing trace with hash 184277197, now seen corresponding path program 1 times [2019-11-24 05:39:40,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:39:40,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227380804] [2019-11-24 05:39:40,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:39:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:39:40,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227380804] [2019-11-24 05:39:40,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227899705] [2019-11-24 05:39:40,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:39:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:40,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 05:39:40,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:39:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:39:40,956 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:39:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:39:40,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-24 05:39:40,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-24 05:39:40,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597624100] [2019-11-24 05:39:40,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:39:40,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:39:40,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:39:40,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:39:40,977 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. Second operand 4 states. [2019-11-24 05:39:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:39:41,033 INFO L93 Difference]: Finished difference Result 22 states and 34 transitions. [2019-11-24 05:39:41,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:39:41,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-24 05:39:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:39:41,035 INFO L225 Difference]: With dead ends: 22 [2019-11-24 05:39:41,035 INFO L226 Difference]: Without dead ends: 16 [2019-11-24 05:39:41,036 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:39:41,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-24 05:39:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-24 05:39:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-24 05:39:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-24 05:39:41,044 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2019-11-24 05:39:41,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:39:41,046 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-24 05:39:41,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:39:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-24 05:39:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 05:39:41,048 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:39:41,048 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:39:41,253 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:39:41,253 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:39:41,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:39:41,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1226965997, now seen corresponding path program 1 times [2019-11-24 05:39:41,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:39:41,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277587163] [2019-11-24 05:39:41,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:39:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-24 05:39:41,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277587163] [2019-11-24 05:39:41,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648715353] [2019-11-24 05:39:41,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:39:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:41,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 05:39:41,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:39:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-24 05:39:41,450 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:39:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-24 05:39:41,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-24 05:39:41,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-24 05:39:41,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775995134] [2019-11-24 05:39:41,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:39:41,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:39:41,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:39:41,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:39:41,472 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 4 states. [2019-11-24 05:39:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:39:41,495 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-24 05:39:41,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:39:41,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-24 05:39:41,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:39:41,497 INFO L225 Difference]: With dead ends: 24 [2019-11-24 05:39:41,497 INFO L226 Difference]: Without dead ends: 18 [2019-11-24 05:39:41,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:39:41,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-24 05:39:41,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-24 05:39:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-24 05:39:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-24 05:39:41,507 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 15 [2019-11-24 05:39:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:39:41,507 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-24 05:39:41,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:39:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-24 05:39:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-24 05:39:41,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:39:41,509 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:39:41,712 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:39:41,724 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:39:41,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:39:41,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1575042285, now seen corresponding path program 1 times [2019-11-24 05:39:41,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:39:41,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888196097] [2019-11-24 05:39:41,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:39:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:39:41,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888196097] [2019-11-24 05:39:41,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054178499] [2019-11-24 05:39:41,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:39:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:39:41,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-24 05:39:41,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:39:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:39:41,872 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:39:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:39:41,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [701177837] [2019-11-24 05:39:41,924 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 05:39:41,925 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:39:41,930 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:39:41,936 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:39:41,937 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:39:47,168 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,194 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,241 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,272 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,469 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,635 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,657 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,679 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,705 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,729 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,752 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,775 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,797 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,818 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,837 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,858 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:47,877 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,001 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,021 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,040 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,061 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,080 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,097 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,117 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,132 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,150 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,296 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,319 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,336 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,355 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:48,820 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:49,022 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:49,060 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:49,893 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,053 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,203 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,235 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,720 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,762 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,798 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:50,955 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:51,131 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:51,162 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:51,736 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:51,763 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:51,929 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:52,174 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:52,203 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:52,486 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:52,762 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:53,158 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:53,184 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:53,427 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:53,561 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:53,976 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:54,000 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:54,135 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:54,160 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:54,307 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:54,333 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:54,612 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2019-11-24 05:39:54,925 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:55,145 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:55,174 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:55,200 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:55,371 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:55,399 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:56,161 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:56,398 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:56,462 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:56,851 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:57,145 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:57,298 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:57,464 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:57,706 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,085 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,293 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,336 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,373 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,399 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,434 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,622 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,647 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,851 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:58,984 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:59,011 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:59,578 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:59,710 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:39:59,995 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:00,142 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:00,175 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:00,816 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 221 [2019-11-24 05:40:01,298 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:01,333 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:01,359 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:01,387 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:02,284 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:02,601 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:02,862 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,014 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,155 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,176 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,213 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,336 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,367 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:03,755 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:04,246 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:04,408 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:04,774 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:04,931 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:04,961 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:05,224 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:05,465 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:05,490 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:05,514 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:05,649 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:05,854 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:06,301 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:06,328 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:06,354 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:06,382 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:06,405 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:06,610 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2019-11-24 05:40:07,004 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,057 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,214 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,246 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,360 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,389 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,530 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:07,704 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:08,226 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:08,342 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:08,612 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:08,644 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:08,870 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:09,100 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:09,129 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:09,289 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:09,314 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:09,457 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:10,128 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:10,340 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:10,477 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:10,503 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:10,532 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:10,818 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:11,231 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:11,256 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:11,751 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:11,770 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:11,797 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:11,824 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:12,183 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2019-11-24 05:40:12,556 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:12,761 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:12,794 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:12,824 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:12,965 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:13,220 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:13,626 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:13,952 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:13,979 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:14,233 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:14,494 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:14,668 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:14,708 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:15,589 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,055 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,344 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,369 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,400 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,427 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,582 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,610 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,744 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:16,974 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,219 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,287 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,313 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,450 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,561 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,587 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:17,726 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:18,023 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2019-11-24 05:40:19,692 WARN L192 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 650 [2019-11-24 05:40:20,166 WARN L192 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-11-24 05:40:20,208 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:20,599 WARN L192 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-11-24 05:40:20,637 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,005 WARN L192 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 631 [2019-11-24 05:40:21,041 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,073 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,104 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,135 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,168 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,200 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,234 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,270 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,302 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,336 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,378 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,408 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,447 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,475 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,502 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,534 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,566 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,596 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,625 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,656 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,688 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,716 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,748 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,779 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,810 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,843 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,875 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,909 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,939 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:21,969 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,131 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-11-24 05:40:22,161 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,192 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,221 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,247 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,361 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-11-24 05:40:22,389 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,418 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,445 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,474 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,580 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-11-24 05:40:22,599 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,616 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,635 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,652 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,728 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,746 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,760 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,775 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,826 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,839 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,851 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,884 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,893 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,903 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:22,911 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:23,091 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 05:40:23,498 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2019-11-24 05:40:24,437 WARN L192 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2019-11-24 05:40:25,122 WARN L192 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2019-11-24 05:40:25,947 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 103 [2019-11-24 05:40:26,583 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 104 [2019-11-24 05:40:27,011 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2019-11-24 05:40:27,014 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-24 05:40:27,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-24 05:40:27,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2019-11-24 05:40:27,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442308782] [2019-11-24 05:40:27,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 05:40:27,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:40:27,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 05:40:27,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-24 05:40:27,016 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 6 states. [2019-11-24 05:40:27,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:40:27,034 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2019-11-24 05:40:27,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 05:40:27,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-24 05:40:27,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:40:27,035 INFO L225 Difference]: With dead ends: 36 [2019-11-24 05:40:27,035 INFO L226 Difference]: Without dead ends: 21 [2019-11-24 05:40:27,036 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-24 05:40:27,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-24 05:40:27,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-24 05:40:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-24 05:40:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-24 05:40:27,040 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 17 [2019-11-24 05:40:27,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:40:27,040 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-24 05:40:27,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 05:40:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-24 05:40:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-24 05:40:27,041 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:40:27,041 INFO L410 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:40:27,241 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:40:27,242 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:40:27,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:40:27,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1113069450, now seen corresponding path program 2 times [2019-11-24 05:40:27,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:40:27,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936369166] [2019-11-24 05:40:27,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:40:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:40:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:40:27,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936369166] [2019-11-24 05:40:27,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600232137] [2019-11-24 05:40:27,341 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:40:27,401 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-24 05:40:27,401 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-24 05:40:27,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-24 05:40:27,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:40:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-24 05:40:27,434 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:40:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-24 05:40:27,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1233552091] [2019-11-24 05:40:27,462 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 05:40:27,462 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:40:27,462 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:40:27,463 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:40:27,463 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:40:28,372 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:29,371 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:29,387 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:29,655 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:29,674 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:29,916 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:29,931 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:30,082 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:30,094 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:30,195 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:30,371 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:30,541 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:30,552 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:31,245 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 199 [2019-11-24 05:40:31,796 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:31,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:31,978 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,038 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,096 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,153 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,209 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,266 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,322 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,381 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,440 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,499 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,555 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,823 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,881 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:32,937 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,217 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,275 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,343 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,398 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,450 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,507 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,566 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,629 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,683 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,739 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,794 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,851 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,906 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:33,961 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:34,021 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:34,077 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:34,135 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:34,191 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,144 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,199 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,253 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,310 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,364 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,421 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,491 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,549 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,599 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,652 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,708 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,759 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,815 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:36,867 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,078 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,299 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,379 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,479 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,584 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,666 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,749 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,803 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,855 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,908 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:37,961 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,015 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,068 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,121 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,176 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,245 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,295 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,348 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,397 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,449 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,500 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,547 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,602 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,653 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,706 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,757 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:38,809 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,010 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,063 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,118 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,448 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,500 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,553 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,839 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,891 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,943 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:39,996 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,049 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,100 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,162 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,212 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,417 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,465 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,514 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,560 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,609 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,657 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,707 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,755 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,804 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,852 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,902 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:40,950 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,000 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,051 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,100 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,154 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,207 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,453 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,503 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,707 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,755 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:41,805 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,110 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,307 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,350 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,397 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,441 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,489 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,537 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,580 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,627 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,671 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,715 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,761 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:42,995 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,043 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,089 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,134 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,177 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,225 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,271 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,831 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,875 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,922 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:43,969 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,015 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,254 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,315 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,356 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,399 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,440 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,482 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,525 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,568 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,611 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,651 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,693 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,736 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,778 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:44,958 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,002 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,238 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,278 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,322 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,366 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,407 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,448 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,489 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,539 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,583 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,626 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,668 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,899 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,941 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:45,984 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:46,026 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:46,079 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:46,145 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,732 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,772 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,807 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,845 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,884 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,921 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,958 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:47,991 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,029 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,068 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,242 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,280 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,317 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,353 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,390 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,591 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,627 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,667 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,701 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,738 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,777 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,812 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,850 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,887 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,925 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,963 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:48,999 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,036 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,071 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,293 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,328 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,364 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,401 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,439 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,475 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,512 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,551 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,800 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:49,983 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,012 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,048 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,079 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,282 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,314 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,346 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,380 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,412 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,441 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,470 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,501 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,532 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,562 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,592 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,625 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,660 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,692 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,724 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,754 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,784 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,819 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,853 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,885 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,915 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,948 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:50,981 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,012 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,041 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,074 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,103 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,137 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,170 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,360 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,390 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,421 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,452 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,484 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,517 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,548 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,579 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,611 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,643 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:51,983 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,011 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,153 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,178 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,203 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,228 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,271 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,297 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,324 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,372 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,401 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,426 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,450 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,476 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,500 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,524 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,547 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,570 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,594 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,617 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,641 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,664 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,686 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,708 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,834 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,858 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,882 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,906 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:52,927 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,057 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,078 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,100 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,124 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,287 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,311 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,456 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,478 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,502 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,525 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,549 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,570 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,593 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,613 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,637 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,657 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,679 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,700 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,720 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,739 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,760 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,780 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,799 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:53,818 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:54,565 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2019-11-24 05:40:54,832 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2019-11-24 05:40:55,080 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,362 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,425 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,484 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,543 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,601 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,658 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:55,950 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,010 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,083 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,140 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,199 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,258 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,553 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,612 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,668 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,726 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,784 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,844 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,904 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:56,961 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,021 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,080 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,138 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,195 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,508 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,565 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,623 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,679 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,737 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:57,798 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,080 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,147 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,199 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,253 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,306 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,363 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:58,628 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,182 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,236 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,288 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,344 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,396 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,449 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,502 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,554 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,611 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,663 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,717 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,768 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,823 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,878 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:40:59,932 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,288 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,368 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,677 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,726 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,774 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,825 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,874 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,923 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:00,972 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,022 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,072 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,121 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,171 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,221 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,269 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,319 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,377 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,432 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,483 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,531 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,579 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,864 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,916 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:01,968 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,021 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,074 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,124 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,175 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,227 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,278 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,331 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,382 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,429 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,491 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,738 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,785 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,828 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:02,874 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:03,103 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:03,150 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:03,195 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:03,239 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:03,285 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:05,820 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_avg_~i~0 4))) (= (+ ULTIMATE.start_avg_~x.offset .cse0 (- 8)) (+ ULTIMATE.start_avg_~x.offset .cse0 (- 4)))) [2019-11-24 05:41:06,189 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:06,239 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:06,283 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:06,329 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:06,883 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:06,929 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,172 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,217 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,267 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,312 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,359 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,408 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,452 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,511 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,938 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:07,976 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,016 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,059 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,098 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,139 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,176 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,215 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,253 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,293 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,518 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,557 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 05:41:08,598 WARN L227 Elim1Store]: Array PQE input equivalent to false