java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 19:48:12,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 19:48:12,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 19:48:12,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 19:48:12,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 19:48:12,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 19:48:12,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 19:48:12,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 19:48:12,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 19:48:12,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 19:48:12,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 19:48:12,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 19:48:12,622 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 19:48:12,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 19:48:12,624 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 19:48:12,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 19:48:12,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 19:48:12,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 19:48:12,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 19:48:12,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 19:48:12,633 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 19:48:12,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 19:48:12,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 19:48:12,654 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 19:48:12,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 19:48:12,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 19:48:12,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 19:48:12,690 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 19:48:12,691 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 19:48:12,691 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 19:48:12,691 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 19:48:12,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 19:48:12,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 19:48:12,692 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 19:48:12,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 19:48:12,693 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 19:48:12,693 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 19:48:12,693 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 19:48:12,693 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 19:48:12,694 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 19:48:12,694 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 19:48:12,694 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 19:48:12,694 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 19:48:12,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 19:48:12,694 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 19:48:12,696 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 19:48:12,696 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 19:48:12,696 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 19:48:12,697 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 19:48:12,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 19:48:12,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 19:48:12,697 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 19:48:12,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 19:48:12,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 19:48:12,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 19:48:12,766 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 19:48:12,766 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 19:48:12,767 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-06 19:48:12,840 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d0bc61cc/07ccfd32ecdd4196aafc8ee2cde2cb41/FLAG38da44090 [2018-11-06 19:48:13,395 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 19:48:13,402 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-06 19:48:13,419 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d0bc61cc/07ccfd32ecdd4196aafc8ee2cde2cb41/FLAG38da44090 [2018-11-06 19:48:13,441 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d0bc61cc/07ccfd32ecdd4196aafc8ee2cde2cb41 [2018-11-06 19:48:13,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 19:48:13,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 19:48:13,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 19:48:13,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 19:48:13,464 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 19:48:13,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:48:13" (1/1) ... [2018-11-06 19:48:13,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a12b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:13, skipping insertion in model container [2018-11-06 19:48:13,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:48:13" (1/1) ... [2018-11-06 19:48:13,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 19:48:13,559 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 19:48:14,061 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:48:14,067 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 19:48:14,170 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:48:14,188 INFO L193 MainTranslator]: Completed translation [2018-11-06 19:48:14,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14 WrapperNode [2018-11-06 19:48:14,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 19:48:14,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 19:48:14,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 19:48:14,190 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 19:48:14,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 19:48:14,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 19:48:14,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 19:48:14,386 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 19:48:14,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (1/1) ... [2018-11-06 19:48:14,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 19:48:14,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 19:48:14,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 19:48:14,484 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 19:48:14,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (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 [2018-11-06 19:48:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 19:48:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 19:48:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 19:48:18,085 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 19:48:18,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:48:18 BoogieIcfgContainer [2018-11-06 19:48:18,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 19:48:18,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 19:48:18,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 19:48:18,090 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 19:48:18,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:48:13" (1/3) ... [2018-11-06 19:48:18,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74103a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:48:18, skipping insertion in model container [2018-11-06 19:48:18,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:48:14" (2/3) ... [2018-11-06 19:48:18,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74103a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:48:18, skipping insertion in model container [2018-11-06 19:48:18,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:48:18" (3/3) ... [2018-11-06 19:48:18,094 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label06_true-unreach-call_false-termination.c [2018-11-06 19:48:18,104 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 19:48:18,113 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 19:48:18,131 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 19:48:18,167 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 19:48:18,168 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 19:48:18,169 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 19:48:18,169 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 19:48:18,169 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 19:48:18,170 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 19:48:18,170 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 19:48:18,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 19:48:18,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 19:48:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-11-06 19:48:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-06 19:48:18,209 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:18,210 INFO L375 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, 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] [2018-11-06 19:48:18,213 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:18,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:18,219 INFO L82 PathProgramCache]: Analyzing trace with hash 310237727, now seen corresponding path program 1 times [2018-11-06 19:48:18,221 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:18,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:18,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:18,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:18,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:48:18,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:18,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:48:18,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:48:18,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:48:18,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:18,979 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2018-11-06 19:48:21,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:21,821 INFO L93 Difference]: Finished difference Result 666 states and 1182 transitions. [2018-11-06 19:48:21,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:48:21,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2018-11-06 19:48:21,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:21,844 INFO L225 Difference]: With dead ends: 666 [2018-11-06 19:48:21,845 INFO L226 Difference]: Without dead ends: 460 [2018-11-06 19:48:21,849 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-11-06 19:48:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2018-11-06 19:48:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-11-06 19:48:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 732 transitions. [2018-11-06 19:48:21,931 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 732 transitions. Word has length 125 [2018-11-06 19:48:21,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:21,932 INFO L480 AbstractCegarLoop]: Abstraction has 460 states and 732 transitions. [2018-11-06 19:48:21,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:48:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 732 transitions. [2018-11-06 19:48:21,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-06 19:48:21,943 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:21,944 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-06 19:48:21,944 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:21,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:21,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1612774444, now seen corresponding path program 1 times [2018-11-06 19:48:21,945 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:21,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:21,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:21,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:21,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:48:22,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:22,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:48:22,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:48:22,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:48:22,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:22,250 INFO L87 Difference]: Start difference. First operand 460 states and 732 transitions. Second operand 4 states. [2018-11-06 19:48:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:23,616 INFO L93 Difference]: Finished difference Result 1710 states and 2800 transitions. [2018-11-06 19:48:23,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:48:23,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-11-06 19:48:23,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:23,631 INFO L225 Difference]: With dead ends: 1710 [2018-11-06 19:48:23,631 INFO L226 Difference]: Without dead ends: 1252 [2018-11-06 19:48:23,635 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2018-11-06 19:48:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1252. [2018-11-06 19:48:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1252 states. [2018-11-06 19:48:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1863 transitions. [2018-11-06 19:48:23,698 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1863 transitions. Word has length 132 [2018-11-06 19:48:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:23,699 INFO L480 AbstractCegarLoop]: Abstraction has 1252 states and 1863 transitions. [2018-11-06 19:48:23,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:48:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1863 transitions. [2018-11-06 19:48:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-06 19:48:23,710 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:23,710 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-06 19:48:23,711 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:23,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:23,711 INFO L82 PathProgramCache]: Analyzing trace with hash 530366219, now seen corresponding path program 1 times [2018-11-06 19:48:23,711 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:23,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:23,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:23,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:23,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:24,083 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-06 19:48:24,306 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-06 19:48:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:48:24,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:24,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:48:24,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:48:24,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:48:24,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:24,442 INFO L87 Difference]: Start difference. First operand 1252 states and 1863 transitions. Second operand 4 states. [2018-11-06 19:48:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:27,596 INFO L93 Difference]: Finished difference Result 3822 states and 5757 transitions. [2018-11-06 19:48:27,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:48:27,597 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2018-11-06 19:48:27,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:27,608 INFO L225 Difference]: With dead ends: 3822 [2018-11-06 19:48:27,609 INFO L226 Difference]: Without dead ends: 2439 [2018-11-06 19:48:27,613 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:27,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2439 states. [2018-11-06 19:48:27,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2439 to 2439. [2018-11-06 19:48:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2018-11-06 19:48:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3004 transitions. [2018-11-06 19:48:27,660 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3004 transitions. Word has length 133 [2018-11-06 19:48:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:27,661 INFO L480 AbstractCegarLoop]: Abstraction has 2439 states and 3004 transitions. [2018-11-06 19:48:27,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:48:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3004 transitions. [2018-11-06 19:48:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-06 19:48:27,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:27,665 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-06 19:48:27,666 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:27,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:27,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1336230083, now seen corresponding path program 1 times [2018-11-06 19:48:27,666 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:27,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:27,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:27,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:27,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-06 19:48:27,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:27,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:48:27,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:48:27,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:48:27,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:27,826 INFO L87 Difference]: Start difference. First operand 2439 states and 3004 transitions. Second operand 4 states. [2018-11-06 19:48:29,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:29,103 INFO L93 Difference]: Finished difference Result 6064 states and 7675 transitions. [2018-11-06 19:48:29,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:48:29,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2018-11-06 19:48:29,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:29,121 INFO L225 Difference]: With dead ends: 6064 [2018-11-06 19:48:29,121 INFO L226 Difference]: Without dead ends: 3627 [2018-11-06 19:48:29,126 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3627 states. [2018-11-06 19:48:29,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3627 to 3627. [2018-11-06 19:48:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3627 states. [2018-11-06 19:48:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 3627 states and 4472 transitions. [2018-11-06 19:48:29,190 INFO L78 Accepts]: Start accepts. Automaton has 3627 states and 4472 transitions. Word has length 158 [2018-11-06 19:48:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:29,190 INFO L480 AbstractCegarLoop]: Abstraction has 3627 states and 4472 transitions. [2018-11-06 19:48:29,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:48:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3627 states and 4472 transitions. [2018-11-06 19:48:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-06 19:48:29,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:29,196 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-11-06 19:48:29,196 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:29,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:29,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1011126004, now seen corresponding path program 1 times [2018-11-06 19:48:29,198 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:29,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:29,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:29,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:29,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-06 19:48:29,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:29,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-06 19:48:29,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 19:48:29,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 19:48:29,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:48:29,352 INFO L87 Difference]: Start difference. First operand 3627 states and 4472 transitions. Second operand 3 states. [2018-11-06 19:48:30,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:30,083 INFO L93 Difference]: Finished difference Result 8440 states and 10611 transitions. [2018-11-06 19:48:30,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 19:48:30,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2018-11-06 19:48:30,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:30,104 INFO L225 Difference]: With dead ends: 8440 [2018-11-06 19:48:30,104 INFO L226 Difference]: Without dead ends: 4815 [2018-11-06 19:48:30,110 INFO L604 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 [2018-11-06 19:48:30,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4815 states. [2018-11-06 19:48:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4815 to 4815. [2018-11-06 19:48:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4815 states. [2018-11-06 19:48:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 4815 states and 5841 transitions. [2018-11-06 19:48:30,194 INFO L78 Accepts]: Start accepts. Automaton has 4815 states and 5841 transitions. Word has length 175 [2018-11-06 19:48:30,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:30,194 INFO L480 AbstractCegarLoop]: Abstraction has 4815 states and 5841 transitions. [2018-11-06 19:48:30,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 19:48:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 5841 transitions. [2018-11-06 19:48:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-06 19:48:30,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:30,202 INFO L375 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 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, 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] [2018-11-06 19:48:30,202 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:30,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:30,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1232406319, now seen corresponding path program 1 times [2018-11-06 19:48:30,202 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:30,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:30,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:30,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:30,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:30,587 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-11-06 19:48:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-06 19:48:30,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 19:48:30,778 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 19:48:30,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:30,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 19:48:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-06 19:48:31,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 19:48:31,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-11-06 19:48:31,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 19:48:31,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 19:48:31,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-06 19:48:31,184 INFO L87 Difference]: Start difference. First operand 4815 states and 5841 transitions. Second operand 8 states. [2018-11-06 19:48:37,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:37,123 INFO L93 Difference]: Finished difference Result 8961 states and 10856 transitions. [2018-11-06 19:48:37,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 19:48:37,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2018-11-06 19:48:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:37,125 INFO L225 Difference]: With dead ends: 8961 [2018-11-06 19:48:37,125 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 19:48:37,136 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-06 19:48:37,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 19:48:37,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 19:48:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 19:48:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 19:48:37,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 205 [2018-11-06 19:48:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:37,138 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 19:48:37,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 19:48:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 19:48:37,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 19:48:37,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 19:48:38,023 WARN L179 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-06 19:48:38,856 WARN L179 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-06 19:48:38,870 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-06 19:48:38,871 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-06 19:48:38,871 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,871 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,871 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,871 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,871 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-06 19:48:38,872 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-06 19:48:38,876 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-06 19:48:38,876 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-06 19:48:38,876 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-06 19:48:38,876 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,876 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,876 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-06 19:48:38,877 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-06 19:48:38,881 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,882 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-06 19:48:38,885 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-06 19:48:38,885 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-06 19:48:38,886 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-06 19:48:38,886 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-06 19:48:38,886 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-06 19:48:38,886 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-06 19:48:38,886 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-06 19:48:38,886 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-06 19:48:38,887 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and (= ~a8~0 15) .cse0) (<= ~a21~0 0) (and .cse0 (not (= ~a8~0 13)) (= ~a16~0 5)) (and (= ~a17~0 1) (= ~a12~0 8) .cse0 (= ~a20~0 1)) (and (= ~a16~0 4) .cse0))) [2018-11-06 19:48:38,887 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,887 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,887 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,887 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,887 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,887 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-06 19:48:38,891 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,892 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-06 19:48:38,893 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,894 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-06 19:48:38,895 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-06 19:48:38,896 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-06 19:48:38,897 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,897 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,897 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,897 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and (= ~a8~0 15) .cse0) (<= ~a21~0 0) (and .cse0 (not (= ~a8~0 13)) (= ~a16~0 5)) (and (= ~a17~0 1) (= ~a12~0 8) .cse0 (= ~a20~0 1)) (and (= ~a16~0 4) .cse0))) [2018-11-06 19:48:38,897 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,897 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,897 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-06 19:48:38,898 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-06 19:48:38,899 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-06 19:48:38,900 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,901 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-06 19:48:38,902 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,909 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-06 19:48:38,909 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-06 19:48:38,909 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 19:48:38,909 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-06 19:48:38,909 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-06 19:48:38,910 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-06 19:48:38,911 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,914 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-06 19:48:38,915 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-06 19:48:38,916 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,917 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-06 19:48:38,918 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-06 19:48:38,919 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-06 19:48:38,919 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-06 19:48:38,919 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-06 19:48:38,919 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-06 19:48:38,919 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-06 19:48:38,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:48:38 BoogieIcfgContainer [2018-11-06 19:48:38,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 19:48:38,949 INFO L168 Benchmark]: Toolchain (without parser) took 25494.35 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -915.6 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. [2018-11-06 19:48:38,950 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 19:48:38,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-06 19:48:38,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-06 19:48:38,954 INFO L168 Benchmark]: Boogie Preprocessor took 97.11 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 19:48:38,954 INFO L168 Benchmark]: RCFGBuilder took 3602.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2018-11-06 19:48:38,956 INFO L168 Benchmark]: TraceAbstraction took 20861.75 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 368.1 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -246.9 MB). Peak memory consumption was 121.2 MB. Max. memory is 7.1 GB. [2018-11-06 19:48:38,965 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 196.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.11 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3602.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20861.75 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 368.1 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -246.9 MB). Peak memory consumption was 121.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: 583]: Loop Invariant Derived loop invariant: ((((a8 == 15 && a21 == 1) || a21 <= 0) || ((a21 == 1 && !(a8 == 13)) && a16 == 5)) || (((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1)) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a8 == 15 && a21 == 1) || a21 <= 0) || ((a21 == 1 && !(a8 == 13)) && a16 == 5)) || (((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1)) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 20.7s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 15.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 770 SDtfs, 1901 SDslu, 436 SDs, 0 SdLazy, 4679 SolverSat, 1165 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4815occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 76 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 980 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1133 NumberOfCodeBlocks, 1133 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 704305 SizeOfPredicates, 1 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 360/387 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...