/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:03:12,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:03:12,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:03:12,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:03:12,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 21:03:12,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:03:12,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:03:12,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:03:12,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:03:12,334 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:03:12,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:03:12,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:03:12,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:03:12,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:03:12,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:03:12,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:03:12,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:03:12,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:03:12,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:03:12,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:03:12,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:03:12,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:03:12,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:03:12,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:03:12,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:03:12,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:03:12,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:03:12,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:03:12,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:03:12,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:03:12,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:03:12,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:03:12,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:03:12,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:03:12,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:03:12,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:03:12,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:03:12,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:03:12,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:03:12,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:03:12,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-11-23 21:03:12,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57d8e546/69b683a6717246b1963d6c026779b9bf/FLAG731a7cf2d [2019-11-23 21:03:13,331 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:03:13,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-11-23 21:03:13,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57d8e546/69b683a6717246b1963d6c026779b9bf/FLAG731a7cf2d [2019-11-23 21:03:13,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57d8e546/69b683a6717246b1963d6c026779b9bf [2019-11-23 21:03:13,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:03:13,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:03:13,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:03:13,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:03:13,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:03:13,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:03:13" (1/1) ... [2019-11-23 21:03:13,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cabdff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:13, skipping insertion in model container [2019-11-23 21:03:13,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:03:13" (1/1) ... [2019-11-23 21:03:13,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:03:13,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:03:14,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:03:14,225 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:03:14,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:03:14,360 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:03:14,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14 WrapperNode [2019-11-23 21:03:14,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:03:14,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:03:14,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:03:14,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:03:14,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:03:14,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:03:14,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:03:14,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:03:14,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (1/1) ... [2019-11-23 21:03:14,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:03:14,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:03:14,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:03:14,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:03:14,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (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 [2019-11-23 21:03:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:03:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:03:15,986 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:03:15,986 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:03:15,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:03:15 BoogieIcfgContainer [2019-11-23 21:03:15,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:03:15,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:03:15,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:03:15,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:03:15,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:03:13" (1/3) ... [2019-11-23 21:03:15,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfa00b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:03:15, skipping insertion in model container [2019-11-23 21:03:15,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:03:14" (2/3) ... [2019-11-23 21:03:15,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfa00b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:03:15, skipping insertion in model container [2019-11-23 21:03:15,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:03:15" (3/3) ... [2019-11-23 21:03:15,997 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2019-11-23 21:03:16,007 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:03:16,016 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:03:16,027 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:03:16,055 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:03:16,055 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:03:16,055 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:03:16,055 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:03:16,055 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:03:16,055 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:03:16,055 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:03:16,056 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:03:16,078 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-23 21:03:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-23 21:03:16,086 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:16,088 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:16,088 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:16,095 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2019-11-23 21:03:16,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:16,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17450518] [2019-11-23 21:03:16,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:16,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17450518] [2019-11-23 21:03:16,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:16,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 21:03:16,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994465959] [2019-11-23 21:03:16,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-23 21:03:16,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:16,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-23 21:03:16,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:03:16,742 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-11-23 21:03:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:19,659 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-11-23 21:03:19,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-23 21:03:19,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2019-11-23 21:03:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:19,683 INFO L225 Difference]: With dead ends: 982 [2019-11-23 21:03:19,683 INFO L226 Difference]: Without dead ends: 699 [2019-11-23 21:03:19,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-23 21:03:19,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-23 21:03:19,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-11-23 21:03:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-23 21:03:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-11-23 21:03:19,761 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 60 [2019-11-23 21:03:19,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:19,762 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-11-23 21:03:19,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-23 21:03:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-11-23 21:03:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-23 21:03:19,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:19,772 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:19,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:19,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1646029236, now seen corresponding path program 1 times [2019-11-23 21:03:19,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:19,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554260547] [2019-11-23 21:03:19,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:19,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554260547] [2019-11-23 21:03:19,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:19,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:19,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704341100] [2019-11-23 21:03:19,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:19,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:19,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:19,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:19,982 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-11-23 21:03:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:20,904 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-11-23 21:03:20,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:20,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-11-23 21:03:20,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:20,917 INFO L225 Difference]: With dead ends: 1257 [2019-11-23 21:03:20,917 INFO L226 Difference]: Without dead ends: 838 [2019-11-23 21:03:20,920 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:20,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-23 21:03:20,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-23 21:03:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-23 21:03:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-11-23 21:03:20,953 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 178 [2019-11-23 21:03:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:20,954 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-11-23 21:03:20,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-11-23 21:03:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-23 21:03:20,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:20,960 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:20,960 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:20,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash -863568004, now seen corresponding path program 1 times [2019-11-23 21:03:20,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:20,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376214242] [2019-11-23 21:03:20,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:21,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376214242] [2019-11-23 21:03:21,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:21,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:21,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708622980] [2019-11-23 21:03:21,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:21,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:21,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:21,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:21,230 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-11-23 21:03:22,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:22,155 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-11-23 21:03:22,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:22,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2019-11-23 21:03:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:22,161 INFO L225 Difference]: With dead ends: 1674 [2019-11-23 21:03:22,162 INFO L226 Difference]: Without dead ends: 1116 [2019-11-23 21:03:22,163 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-23 21:03:22,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-11-23 21:03:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-23 21:03:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1347 transitions. [2019-11-23 21:03:22,196 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1347 transitions. Word has length 204 [2019-11-23 21:03:22,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:22,197 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1347 transitions. [2019-11-23 21:03:22,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1347 transitions. [2019-11-23 21:03:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-23 21:03:22,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:22,203 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:22,204 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:22,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:22,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1466376222, now seen corresponding path program 1 times [2019-11-23 21:03:22,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:22,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65864403] [2019-11-23 21:03:22,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:22,469 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65864403] [2019-11-23 21:03:22,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:22,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:03:22,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014872966] [2019-11-23 21:03:22,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:03:22,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:22,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:03:22,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:22,471 INFO L87 Difference]: Start difference. First operand 1116 states and 1347 transitions. Second operand 4 states. [2019-11-23 21:03:23,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:23,359 INFO L93 Difference]: Finished difference Result 2508 states and 3110 transitions. [2019-11-23 21:03:23,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:03:23,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 229 [2019-11-23 21:03:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:23,369 INFO L225 Difference]: With dead ends: 2508 [2019-11-23 21:03:23,369 INFO L226 Difference]: Without dead ends: 1533 [2019-11-23 21:03:23,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:03:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2019-11-23 21:03:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2019-11-23 21:03:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2019-11-23 21:03:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1659 transitions. [2019-11-23 21:03:23,400 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1659 transitions. Word has length 229 [2019-11-23 21:03:23,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:23,401 INFO L462 AbstractCegarLoop]: Abstraction has 1394 states and 1659 transitions. [2019-11-23 21:03:23,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:03:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1659 transitions. [2019-11-23 21:03:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-23 21:03:23,406 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:23,406 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:23,407 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:23,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:23,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1709948019, now seen corresponding path program 1 times [2019-11-23 21:03:23,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:23,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68057569] [2019-11-23 21:03:23,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-23 21:03:23,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68057569] [2019-11-23 21:03:23,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:03:23,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:03:23,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937188421] [2019-11-23 21:03:23,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:03:23,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:23,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:03:23,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:03:23,635 INFO L87 Difference]: Start difference. First operand 1394 states and 1659 transitions. Second operand 3 states. [2019-11-23 21:03:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:24,176 INFO L93 Difference]: Finished difference Result 3203 states and 3833 transitions. [2019-11-23 21:03:24,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:03:24,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-11-23 21:03:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:24,184 INFO L225 Difference]: With dead ends: 3203 [2019-11-23 21:03:24,184 INFO L226 Difference]: Without dead ends: 1394 [2019-11-23 21:03:24,187 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:03:24,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2019-11-23 21:03:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2019-11-23 21:03:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2019-11-23 21:03:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1623 transitions. [2019-11-23 21:03:24,212 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1623 transitions. Word has length 302 [2019-11-23 21:03:24,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:24,213 INFO L462 AbstractCegarLoop]: Abstraction has 1394 states and 1623 transitions. [2019-11-23 21:03:24,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:03:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1623 transitions. [2019-11-23 21:03:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-11-23 21:03:24,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:03:24,219 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:03:24,220 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:03:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:03:24,220 INFO L82 PathProgramCache]: Analyzing trace with hash 57024807, now seen corresponding path program 1 times [2019-11-23 21:03:24,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:03:24,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958755060] [2019-11-23 21:03:24,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:03:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 174 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:03:24,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958755060] [2019-11-23 21:03:24,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730534105] [2019-11-23 21:03:24,600 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 [2019-11-23 21:03:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:03:24,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-23 21:03:24,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:03:24,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:24,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 21:03:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 291 proven. 62 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-23 21:03:25,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:03:25,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2019-11-23 21:03:25,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280790283] [2019-11-23 21:03:25,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-23 21:03:25,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:03:25,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-23 21:03:25,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-23 21:03:25,538 INFO L87 Difference]: Start difference. First operand 1394 states and 1623 transitions. Second operand 10 states. [2019-11-23 21:03:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:03:29,373 INFO L93 Difference]: Finished difference Result 5147 states and 6039 transitions. [2019-11-23 21:03:29,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-23 21:03:29,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 338 [2019-11-23 21:03:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:03:29,379 INFO L225 Difference]: With dead ends: 5147 [2019-11-23 21:03:29,380 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:03:29,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-11-23 21:03:29,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:03:29,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:03:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:03:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:03:29,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2019-11-23 21:03:29,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:03:29,399 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:03:29,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-23 21:03:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:03:29,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:03:29,600 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:03:29,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:03:29,907 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-11-23 21:03:30,054 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-11-23 21:03:30,059 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-23 21:03:30,060 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,060 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,060 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,061 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,061 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,061 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,062 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-23 21:03:30,062 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-23 21:03:30,062 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:03:30,062 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:03:30,063 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:03:30,063 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:03:30,063 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:03:30,064 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:03:30,064 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-23 21:03:30,064 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-23 21:03:30,064 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-23 21:03:30,066 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,066 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,067 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,067 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,067 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,067 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-23 21:03:30,067 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-23 21:03:30,068 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-23 21:03:30,068 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-23 21:03:30,068 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:03:30,069 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:03:30,069 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:03:30,069 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:03:30,070 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:03:30,070 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-23 21:03:30,071 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-23 21:03:30,071 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-23 21:03:30,071 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-23 21:03:30,072 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-23 21:03:30,072 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,072 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,072 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,073 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,073 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,073 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-23 21:03:30,073 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:03:30,073 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:03:30,074 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:03:30,074 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:03:30,074 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:03:30,074 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (and .cse0 (not (= ~a19~0 10))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))) (and (= ~a10~0 2) (< 0 (+ ~a1~0 13))))) [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,075 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,076 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,076 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,076 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-23 21:03:30,076 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-23 21:03:30,076 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-23 21:03:30,077 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:03:30,077 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:03:30,077 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:03:30,077 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:03:30,077 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:03:30,077 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-23 21:03:30,078 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-23 21:03:30,078 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-23 21:03:30,078 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-23 21:03:30,078 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-23 21:03:30,078 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-23 21:03:30,078 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,078 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:03:30,079 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:03:30,080 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,081 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:03:30,082 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:03:30,083 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:03:30,083 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:03:30,084 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-23 21:03:30,084 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-23 21:03:30,085 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:03:30,085 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-23 21:03:30,085 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (and .cse0 (not (= ~a19~0 10))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))) (and (= ~a10~0 2) (< 0 (+ ~a1~0 13))))) [2019-11-23 21:03:30,085 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-23 21:03:30,085 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,088 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,090 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,090 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,091 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:03:30,091 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,091 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,091 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-23 21:03:30,091 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-23 21:03:30,092 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-23 21:03:30,092 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:03:30,093 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:03:30,093 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:03:30,093 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:03:30,093 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:03:30,093 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:03:30,094 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-23 21:03:30,094 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-23 21:03:30,094 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-23 21:03:30,094 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-23 21:03:30,094 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,095 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,095 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,095 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,095 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,095 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,096 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-23 21:03:30,096 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-23 21:03:30,096 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-23 21:03:30,096 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:03:30,096 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:03:30,097 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:03:30,097 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:03:30,097 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:03:30,097 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:03:30,097 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:03:30,098 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-23 21:03:30,098 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-23 21:03:30,098 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-23 21:03:30,098 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-23 21:03:30,098 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-23 21:03:30,098 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-23 21:03:30,099 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,099 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,099 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,099 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,099 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,100 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,100 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-23 21:03:30,100 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:03:30,100 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:03:30,100 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:03:30,100 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:03:30,101 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:03:30,101 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:03:30,101 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:03:30,101 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-23 21:03:30,101 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-23 21:03:30,101 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-23 21:03:30,102 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-23 21:03:30,102 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-23 21:03:30,102 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-23 21:03:30,102 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,102 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,102 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,103 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,103 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,103 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,103 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-23 21:03:30,103 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-23 21:03:30,104 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-23 21:03:30,104 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:03:30,104 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:03:30,104 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:03:30,104 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:03:30,104 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:03:30,105 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:03:30,105 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-23 21:03:30,105 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-23 21:03:30,105 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:03:30,106 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2019-11-23 21:03:30,106 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-23 21:03:30,106 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,106 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,106 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,106 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,107 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,107 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-23 21:03:30,107 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-23 21:03:30,107 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-23 21:03:30,107 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-23 21:03:30,107 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-23 21:03:30,108 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-23 21:03:30,109 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-23 21:03:30,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:03:30 BoogieIcfgContainer [2019-11-23 21:03:30,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:03:30,151 INFO L168 Benchmark]: Toolchain (without parser) took 16550.41 ms. Allocated memory was 144.7 MB in the beginning and 524.3 MB in the end (delta: 379.6 MB). Free memory was 100.8 MB in the beginning and 300.1 MB in the end (delta: -199.3 MB). Peak memory consumption was 180.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,153 INFO L168 Benchmark]: CDTParser took 1.74 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.81 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 163.5 MB in the end (delta: -63.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.31 ms. Allocated memory is still 203.4 MB. Free memory was 163.5 MB in the beginning and 155.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,165 INFO L168 Benchmark]: Boogie Preprocessor took 136.81 ms. Allocated memory is still 203.4 MB. Free memory was 155.8 MB in the beginning and 150.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,166 INFO L168 Benchmark]: RCFGBuilder took 1396.01 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 150.1 MB in the beginning and 161.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,171 INFO L168 Benchmark]: TraceAbstraction took 14157.40 ms. Allocated memory was 234.9 MB in the beginning and 524.3 MB in the end (delta: 289.4 MB). Free memory was 161.3 MB in the beginning and 300.1 MB in the end (delta: -138.8 MB). Peak memory consumption was 150.6 MB. Max. memory is 7.1 GB. [2019-11-23 21:03:30,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.81 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.6 MB in the beginning and 163.5 MB in the end (delta: -63.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.31 ms. Allocated memory is still 203.4 MB. Free memory was 163.5 MB in the beginning and 155.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.81 ms. Allocated memory is still 203.4 MB. Free memory was 155.8 MB in the beginning and 150.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1396.01 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 150.1 MB in the beginning and 161.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14157.40 ms. Allocated memory was 234.9 MB in the beginning and 524.3 MB in the end (delta: 289.4 MB). Free memory was 161.3 MB in the beginning and 300.1 MB in the end (delta: -138.8 MB). Peak memory consumption was 150.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4))) || (a10 == 2 && 0 < a1 + 13) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4))) || (a10 == 2 && 0 < a1 + 13) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 14.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 361 SDtfs, 3369 SDslu, 115 SDs, 0 SdLazy, 6672 SolverSat, 1303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 343 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 72 NumberOfFragments, 71 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1250 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 800 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1642 ConstructedInterpolants, 73 QuantifiedInterpolants, 1943044 SizeOfPredicates, 4 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1341/1640 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...