java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label42_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 00:33:12,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 00:33:12,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 00:33:12,041 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 00:33:12,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 00:33:12,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 00:33:12,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 00:33:12,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 00:33:12,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 00:33:12,052 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 00:33:12,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 00:33:12,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 00:33:12,056 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 00:33:12,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 00:33:12,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 00:33:12,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 00:33:12,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 00:33:12,063 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 00:33:12,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 00:33:12,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 00:33:12,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 00:33:12,069 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 00:33:12,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-24 00:33:12,081 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 [2018-07-24 00:33:12,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 00:33:12,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 00:33:12,109 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 00:33:12,112 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 00:33:12,113 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 00:33:12,113 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 00:33:12,114 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 00:33:12,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 00:33:12,114 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 00:33:12,114 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 00:33:12,114 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 00:33:12,115 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 00:33:12,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 00:33:12,115 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 00:33:12,115 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 00:33:12,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 00:33:12,117 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 00:33:12,117 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 00:33:12,117 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 00:33:12,117 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 00:33:12,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 00:33:12,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 00:33:12,118 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 00:33:12,118 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 00:33:12,119 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 00:33:12,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 00:33:12,119 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 00:33:12,119 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 00:33:12,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 00:33:12,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 00:33:12,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 00:33:12,193 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 00:33:12,193 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 00:33:12,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label42_false-unreach-call.c [2018-07-24 00:33:12,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9c4866a/e853e3f4518c479a9b5b838cd65f4adb/FLAGdc557ea94 [2018-07-24 00:33:13,056 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 00:33:13,057 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label42_false-unreach-call.c [2018-07-24 00:33:13,096 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9c4866a/e853e3f4518c479a9b5b838cd65f4adb/FLAGdc557ea94 [2018-07-24 00:33:13,117 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9c4866a/e853e3f4518c479a9b5b838cd65f4adb [2018-07-24 00:33:13,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 00:33:13,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 00:33:13,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 00:33:13,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 00:33:13,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 00:33:13,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:33:13" (1/1) ... [2018-07-24 00:33:13,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3036c7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:13, skipping insertion in model container [2018-07-24 00:33:13,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:33:13" (1/1) ... [2018-07-24 00:33:13,506 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 00:33:14,537 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 00:33:14,554 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 00:33:15,242 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 00:33:15,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15 WrapperNode [2018-07-24 00:33:15,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 00:33:15,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 00:33:15,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 00:33:15,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 00:33:15,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:15,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:15,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 00:33:15,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 00:33:15,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 00:33:15,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 00:33:16,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:16,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:16,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:16,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:16,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:16,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:16,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (1/1) ... [2018-07-24 00:33:17,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 00:33:17,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 00:33:17,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 00:33:17,067 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 00:33:17,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (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 [2018-07-24 00:33:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 00:33:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 00:33:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 00:33:25,820 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 00:33:25,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:33:25 BoogieIcfgContainer [2018-07-24 00:33:25,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 00:33:25,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 00:33:25,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 00:33:25,826 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 00:33:25,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:33:13" (1/3) ... [2018-07-24 00:33:25,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c29d37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:33:25, skipping insertion in model container [2018-07-24 00:33:25,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:33:15" (2/3) ... [2018-07-24 00:33:25,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c29d37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:33:25, skipping insertion in model container [2018-07-24 00:33:25,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:33:25" (3/3) ... [2018-07-24 00:33:25,833 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label42_false-unreach-call.c [2018-07-24 00:33:25,844 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 00:33:25,853 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 00:33:25,920 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 00:33:25,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 00:33:25,922 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 00:33:25,922 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 00:33:25,922 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 00:33:25,922 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 00:33:25,922 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 00:33:25,922 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 00:33:25,923 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 00:33:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states. [2018-07-24 00:33:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-24 00:33:25,978 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:33:25,979 INFO L353 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] [2018-07-24 00:33:25,979 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:33:25,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1740446778, now seen corresponding path program 1 times [2018-07-24 00:33:25,985 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:33:25,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:33:26,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:33:26,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:33:26,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:33:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:33:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 00:33:26,307 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:33:26,308 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 00:33:26,316 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 00:33:26,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 00:33:26,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:33:26,332 INFO L87 Difference]: Start difference. First operand 819 states. Second operand 4 states. [2018-07-24 00:33:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:33:38,136 INFO L93 Difference]: Finished difference Result 3162 states and 6150 transitions. [2018-07-24 00:33:38,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 00:33:38,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-07-24 00:33:38,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:33:38,185 INFO L225 Difference]: With dead ends: 3162 [2018-07-24 00:33:38,185 INFO L226 Difference]: Without dead ends: 2336 [2018-07-24 00:33:38,193 INFO L573 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 [2018-07-24 00:33:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2018-07-24 00:33:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2336. [2018-07-24 00:33:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2336 states. [2018-07-24 00:33:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3769 transitions. [2018-07-24 00:33:38,360 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3769 transitions. Word has length 27 [2018-07-24 00:33:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:33:38,360 INFO L471 AbstractCegarLoop]: Abstraction has 2336 states and 3769 transitions. [2018-07-24 00:33:38,360 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 00:33:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3769 transitions. [2018-07-24 00:33:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-24 00:33:38,365 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:33:38,365 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:33:38,366 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:33:38,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1425100476, now seen corresponding path program 1 times [2018-07-24 00:33:38,366 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:33:38,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:33:38,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:33:38,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:33:38,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:33:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:33:39,084 WARN L169 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2018-07-24 00:33:39,280 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2018-07-24 00:33:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 00:33:39,365 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:33:39,365 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 00:33:39,367 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 00:33:39,367 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 00:33:39,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-07-24 00:33:39,368 INFO L87 Difference]: Start difference. First operand 2336 states and 3769 transitions. Second operand 6 states. [2018-07-24 00:33:39,518 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-24 00:33:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:33:57,040 INFO L93 Difference]: Finished difference Result 9183 states and 14416 transitions. [2018-07-24 00:33:57,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 00:33:57,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-07-24 00:33:57,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:33:57,079 INFO L225 Difference]: With dead ends: 9183 [2018-07-24 00:33:57,079 INFO L226 Difference]: Without dead ends: 6849 [2018-07-24 00:33:57,085 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-07-24 00:33:57,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6849 states. [2018-07-24 00:33:57,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6849 to 6849. [2018-07-24 00:33:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6849 states. [2018-07-24 00:33:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6849 states to 6849 states and 9754 transitions. [2018-07-24 00:33:57,237 INFO L78 Accepts]: Start accepts. Automaton has 6849 states and 9754 transitions. Word has length 104 [2018-07-24 00:33:57,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:33:57,237 INFO L471 AbstractCegarLoop]: Abstraction has 6849 states and 9754 transitions. [2018-07-24 00:33:57,238 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 00:33:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6849 states and 9754 transitions. [2018-07-24 00:33:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-24 00:33:57,255 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:33:57,256 INFO L353 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, 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] [2018-07-24 00:33:57,256 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:33:57,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1259228055, now seen corresponding path program 1 times [2018-07-24 00:33:57,257 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:33:57,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:33:57,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:33:57,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:33:57,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:33:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:33:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 115 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 00:33:57,859 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 00:33:57,859 INFO L221 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 [2018-07-24 00:33:57,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:33:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:33:58,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 00:33:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 00:33:58,236 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 00:33:58,236 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-07-24 00:33:58,237 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 00:33:58,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 00:33:58,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-07-24 00:33:58,238 INFO L87 Difference]: Start difference. First operand 6849 states and 9754 transitions. Second operand 7 states. [2018-07-24 00:34:19,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:34:19,217 INFO L93 Difference]: Finished difference Result 28768 states and 40519 transitions. [2018-07-24 00:34:19,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 00:34:19,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2018-07-24 00:34:19,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:34:19,296 INFO L225 Difference]: With dead ends: 28768 [2018-07-24 00:34:19,296 INFO L226 Difference]: Without dead ends: 18909 [2018-07-24 00:34:19,311 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 207 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2018-07-24 00:34:19,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18909 states. [2018-07-24 00:34:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18909 to 14367. [2018-07-24 00:34:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14367 states. [2018-07-24 00:34:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14367 states to 14367 states and 17896 transitions. [2018-07-24 00:34:19,619 INFO L78 Accepts]: Start accepts. Automaton has 14367 states and 17896 transitions. Word has length 206 [2018-07-24 00:34:19,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:34:19,620 INFO L471 AbstractCegarLoop]: Abstraction has 14367 states and 17896 transitions. [2018-07-24 00:34:19,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 00:34:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 14367 states and 17896 transitions. [2018-07-24 00:34:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-07-24 00:34:19,623 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:34:19,624 INFO L353 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, 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, 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] [2018-07-24 00:34:19,624 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:34:19,624 INFO L82 PathProgramCache]: Analyzing trace with hash -114744709, now seen corresponding path program 1 times [2018-07-24 00:34:19,625 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:34:19,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:34:19,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:19,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:34:19,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:34:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-07-24 00:34:20,119 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 00:34:20,119 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 00:34:20,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:34:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:34:20,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 00:34:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-07-24 00:34:20,334 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 00:34:20,335 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-07-24 00:34:20,335 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 00:34:20,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 00:34:20,336 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-24 00:34:20,336 INFO L87 Difference]: Start difference. First operand 14367 states and 17896 transitions. Second operand 5 states. [2018-07-24 00:34:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:34:32,270 INFO L93 Difference]: Finished difference Result 59564 states and 74250 transitions. [2018-07-24 00:34:32,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 00:34:32,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2018-07-24 00:34:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:34:32,366 INFO L225 Difference]: With dead ends: 59564 [2018-07-24 00:34:32,366 INFO L226 Difference]: Without dead ends: 45199 [2018-07-24 00:34:32,389 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-24 00:34:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45199 states. [2018-07-24 00:34:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45199 to 41432. [2018-07-24 00:34:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41432 states. [2018-07-24 00:34:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41432 states to 41432 states and 47255 transitions. [2018-07-24 00:34:32,990 INFO L78 Accepts]: Start accepts. Automaton has 41432 states and 47255 transitions. Word has length 261 [2018-07-24 00:34:32,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:34:32,991 INFO L471 AbstractCegarLoop]: Abstraction has 41432 states and 47255 transitions. [2018-07-24 00:34:32,991 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 00:34:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 41432 states and 47255 transitions. [2018-07-24 00:34:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-07-24 00:34:32,999 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:34:33,000 INFO L353 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, 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, 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] [2018-07-24 00:34:33,000 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:34:33,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1724144186, now seen corresponding path program 1 times [2018-07-24 00:34:33,001 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:34:33,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:34:33,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:33,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:34:33,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:34:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-07-24 00:34:33,286 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:34:33,286 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 00:34:33,286 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 00:34:33,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 00:34:33,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:34:33,287 INFO L87 Difference]: Start difference. First operand 41432 states and 47255 transitions. Second operand 4 states. [2018-07-24 00:34:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:34:43,505 INFO L93 Difference]: Finished difference Result 147534 states and 169679 transitions. [2018-07-24 00:34:43,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 00:34:43,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2018-07-24 00:34:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:34:43,665 INFO L225 Difference]: With dead ends: 147534 [2018-07-24 00:34:43,666 INFO L226 Difference]: Without dead ends: 106856 [2018-07-24 00:34:43,747 INFO L573 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 [2018-07-24 00:34:43,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106856 states. [2018-07-24 00:34:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106856 to 103847. [2018-07-24 00:34:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103847 states. [2018-07-24 00:34:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103847 states to 103847 states and 117491 transitions. [2018-07-24 00:34:45,429 INFO L78 Accepts]: Start accepts. Automaton has 103847 states and 117491 transitions. Word has length 291 [2018-07-24 00:34:45,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:34:45,429 INFO L471 AbstractCegarLoop]: Abstraction has 103847 states and 117491 transitions. [2018-07-24 00:34:45,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 00:34:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 103847 states and 117491 transitions. [2018-07-24 00:34:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-24 00:34:45,436 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:34:45,437 INFO L353 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, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:34:45,437 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:34:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash -465517453, now seen corresponding path program 1 times [2018-07-24 00:34:45,437 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:34:45,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:34:45,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:45,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:34:45,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:34:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-07-24 00:34:45,778 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:34:45,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 00:34:45,778 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 00:34:45,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 00:34:45,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 00:34:45,779 INFO L87 Difference]: Start difference. First operand 103847 states and 117491 transitions. Second operand 3 states. [2018-07-24 00:34:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:34:50,876 INFO L93 Difference]: Finished difference Result 206940 states and 234223 transitions. [2018-07-24 00:34:50,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 00:34:50,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2018-07-24 00:34:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:34:50,985 INFO L225 Difference]: With dead ends: 206940 [2018-07-24 00:34:50,986 INFO L226 Difference]: Without dead ends: 103847 [2018-07-24 00:34:51,043 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 00:34:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103847 states. [2018-07-24 00:34:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103847 to 103847. [2018-07-24 00:34:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103847 states. [2018-07-24 00:34:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103847 states to 103847 states and 115100 transitions. [2018-07-24 00:34:52,748 INFO L78 Accepts]: Start accepts. Automaton has 103847 states and 115100 transitions. Word has length 306 [2018-07-24 00:34:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:34:52,749 INFO L471 AbstractCegarLoop]: Abstraction has 103847 states and 115100 transitions. [2018-07-24 00:34:52,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 00:34:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 103847 states and 115100 transitions. [2018-07-24 00:34:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2018-07-24 00:34:52,790 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:34:52,791 INFO L353 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:34:52,791 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:34:52,791 INFO L82 PathProgramCache]: Analyzing trace with hash -849957945, now seen corresponding path program 1 times [2018-07-24 00:34:52,791 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:34:52,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:34:52,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:52,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:34:52,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:34:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:34:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-07-24 00:34:53,130 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:34:53,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 00:34:53,131 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 00:34:53,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 00:34:53,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:34:53,132 INFO L87 Difference]: Start difference. First operand 103847 states and 115100 transitions. Second operand 4 states. [2018-07-24 00:35:00,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:35:00,455 INFO L93 Difference]: Finished difference Result 208444 states and 230996 transitions. [2018-07-24 00:35:00,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 00:35:00,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 542 [2018-07-24 00:35:00,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:35:00,574 INFO L225 Difference]: With dead ends: 208444 [2018-07-24 00:35:00,574 INFO L226 Difference]: Without dead ends: 105351 [2018-07-24 00:35:00,617 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:35:00,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105351 states. [2018-07-24 00:35:01,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105351 to 105351. [2018-07-24 00:35:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105351 states. [2018-07-24 00:35:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105351 states to 105351 states and 115570 transitions. [2018-07-24 00:35:01,519 INFO L78 Accepts]: Start accepts. Automaton has 105351 states and 115570 transitions. Word has length 542 [2018-07-24 00:35:01,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:35:01,520 INFO L471 AbstractCegarLoop]: Abstraction has 105351 states and 115570 transitions. [2018-07-24 00:35:01,520 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 00:35:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 105351 states and 115570 transitions. [2018-07-24 00:35:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-07-24 00:35:01,552 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:35:01,553 INFO L353 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:35:01,553 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:35:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash -678134248, now seen corresponding path program 1 times [2018-07-24 00:35:01,553 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:35:01,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:35:01,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:01,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:35:01,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:35:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-07-24 00:35:02,225 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:35:02,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 00:35:02,226 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 00:35:02,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 00:35:02,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 00:35:02,227 INFO L87 Difference]: Start difference. First operand 105351 states and 115570 transitions. Second operand 3 states. [2018-07-24 00:35:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:35:09,081 INFO L93 Difference]: Finished difference Result 232508 states and 256479 transitions. [2018-07-24 00:35:09,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 00:35:09,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 548 [2018-07-24 00:35:09,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:35:09,219 INFO L225 Difference]: With dead ends: 232508 [2018-07-24 00:35:09,219 INFO L226 Difference]: Without dead ends: 127911 [2018-07-24 00:35:09,277 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 00:35:09,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127911 states. [2018-07-24 00:35:10,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127911 to 127911. [2018-07-24 00:35:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127911 states. [2018-07-24 00:35:10,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127911 states to 127911 states and 140195 transitions. [2018-07-24 00:35:10,410 INFO L78 Accepts]: Start accepts. Automaton has 127911 states and 140195 transitions. Word has length 548 [2018-07-24 00:35:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:35:10,411 INFO L471 AbstractCegarLoop]: Abstraction has 127911 states and 140195 transitions. [2018-07-24 00:35:10,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 00:35:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 127911 states and 140195 transitions. [2018-07-24 00:35:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2018-07-24 00:35:10,448 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:35:10,449 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:35:10,449 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:35:10,450 INFO L82 PathProgramCache]: Analyzing trace with hash -778478059, now seen corresponding path program 1 times [2018-07-24 00:35:10,450 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:35:10,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:35:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:10,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:35:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:35:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-07-24 00:35:12,171 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:35:12,172 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 00:35:12,172 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 00:35:12,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 00:35:12,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:35:12,173 INFO L87 Difference]: Start difference. First operand 127911 states and 140195 transitions. Second operand 4 states. [2018-07-24 00:35:23,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:35:23,200 INFO L93 Difference]: Finished difference Result 309964 states and 341070 transitions. [2018-07-24 00:35:23,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 00:35:23,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 671 [2018-07-24 00:35:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:35:23,403 INFO L225 Difference]: With dead ends: 309964 [2018-07-24 00:35:23,404 INFO L226 Difference]: Without dead ends: 182807 [2018-07-24 00:35:23,481 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:35:23,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182807 states. [2018-07-24 00:35:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182807 to 182055. [2018-07-24 00:35:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182055 states. [2018-07-24 00:35:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182055 states to 182055 states and 196363 transitions. [2018-07-24 00:35:26,200 INFO L78 Accepts]: Start accepts. Automaton has 182055 states and 196363 transitions. Word has length 671 [2018-07-24 00:35:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:35:26,202 INFO L471 AbstractCegarLoop]: Abstraction has 182055 states and 196363 transitions. [2018-07-24 00:35:26,202 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 00:35:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 182055 states and 196363 transitions. [2018-07-24 00:35:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2018-07-24 00:35:26,233 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:35:26,233 INFO L353 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, 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, 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, 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, 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, 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] [2018-07-24 00:35:26,233 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:35:26,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1118533850, now seen corresponding path program 1 times [2018-07-24 00:35:26,234 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:35:26,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:35:26,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:26,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:35:26,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:35:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-07-24 00:35:28,557 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:35:28,558 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 00:35:28,558 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 00:35:28,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 00:35:28,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 00:35:28,559 INFO L87 Difference]: Start difference. First operand 182055 states and 196363 transitions. Second operand 5 states. [2018-07-24 00:35:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:35:43,110 INFO L93 Difference]: Finished difference Result 515303 states and 556808 transitions. [2018-07-24 00:35:43,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 00:35:43,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 702 [2018-07-24 00:35:43,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:35:43,557 INFO L225 Difference]: With dead ends: 515303 [2018-07-24 00:35:43,557 INFO L226 Difference]: Without dead ends: 334002 [2018-07-24 00:35:43,656 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 00:35:43,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334002 states. [2018-07-24 00:35:47,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334002 to 256546. [2018-07-24 00:35:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256546 states. [2018-07-24 00:35:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256546 states to 256546 states and 272215 transitions. [2018-07-24 00:35:55,142 INFO L78 Accepts]: Start accepts. Automaton has 256546 states and 272215 transitions. Word has length 702 [2018-07-24 00:35:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:35:55,143 INFO L471 AbstractCegarLoop]: Abstraction has 256546 states and 272215 transitions. [2018-07-24 00:35:55,143 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 00:35:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 256546 states and 272215 transitions. [2018-07-24 00:35:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2018-07-24 00:35:55,267 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:35:55,268 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:35:55,269 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:35:55,269 INFO L82 PathProgramCache]: Analyzing trace with hash -815612375, now seen corresponding path program 1 times [2018-07-24 00:35:55,269 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:35:55,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:35:55,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:55,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:35:55,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:35:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:35:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-07-24 00:35:56,139 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:35:56,139 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 00:35:56,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 00:35:56,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 00:35:56,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:35:56,140 INFO L87 Difference]: Start difference. First operand 256546 states and 272215 transitions. Second operand 4 states. [2018-07-24 00:36:04,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:36:04,947 INFO L93 Difference]: Finished difference Result 508575 states and 539816 transitions. [2018-07-24 00:36:04,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 00:36:04,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 964 [2018-07-24 00:36:04,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:36:05,295 INFO L225 Difference]: With dead ends: 508575 [2018-07-24 00:36:05,295 INFO L226 Difference]: Without dead ends: 244497 [2018-07-24 00:36:05,445 INFO L573 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 [2018-07-24 00:36:05,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244497 states. [2018-07-24 00:36:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244497 to 227950. [2018-07-24 00:36:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227950 states. [2018-07-24 00:36:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227950 states to 227950 states and 238019 transitions. [2018-07-24 00:36:09,087 INFO L78 Accepts]: Start accepts. Automaton has 227950 states and 238019 transitions. Word has length 964 [2018-07-24 00:36:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:36:09,088 INFO L471 AbstractCegarLoop]: Abstraction has 227950 states and 238019 transitions. [2018-07-24 00:36:09,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 00:36:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 227950 states and 238019 transitions. [2018-07-24 00:36:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1043 [2018-07-24 00:36:09,189 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:36:09,190 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:36:09,191 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:36:09,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1162001090, now seen corresponding path program 1 times [2018-07-24 00:36:09,191 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:36:09,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:36:09,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:36:09,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:36:09,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:36:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:36:09,842 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-07-24 00:36:10,050 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-07-24 00:36:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 926 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-07-24 00:36:11,222 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:36:11,222 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 00:36:11,223 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 00:36:11,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 00:36:11,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-24 00:36:11,223 INFO L87 Difference]: Start difference. First operand 227950 states and 238019 transitions. Second operand 6 states. [2018-07-24 00:36:22,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:36:22,597 INFO L93 Difference]: Finished difference Result 495865 states and 517028 transitions. [2018-07-24 00:36:22,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 00:36:22,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1042 [2018-07-24 00:36:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:36:22,892 INFO L225 Difference]: With dead ends: 495865 [2018-07-24 00:36:22,892 INFO L226 Difference]: Without dead ends: 273933 [2018-07-24 00:36:22,985 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-24 00:36:23,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273933 states. [2018-07-24 00:36:25,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273933 to 227182. [2018-07-24 00:36:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227182 states. [2018-07-24 00:36:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227182 states to 227182 states and 235488 transitions. [2018-07-24 00:36:26,146 INFO L78 Accepts]: Start accepts. Automaton has 227182 states and 235488 transitions. Word has length 1042 [2018-07-24 00:36:26,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:36:26,146 INFO L471 AbstractCegarLoop]: Abstraction has 227182 states and 235488 transitions. [2018-07-24 00:36:26,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 00:36:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 227182 states and 235488 transitions. [2018-07-24 00:36:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2018-07-24 00:36:26,227 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:36:26,227 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:36:26,228 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:36:26,228 INFO L82 PathProgramCache]: Analyzing trace with hash -369506190, now seen corresponding path program 1 times [2018-07-24 00:36:26,228 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:36:26,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:36:26,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:36:26,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:36:26,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:36:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:36:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1234 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-07-24 00:36:29,520 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:36:29,520 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 00:36:29,521 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 00:36:29,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 00:36:29,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:36:29,521 INFO L87 Difference]: Start difference. First operand 227182 states and 235488 transitions. Second operand 4 states. [2018-07-24 00:36:39,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:36:39,202 INFO L93 Difference]: Finished difference Result 476627 states and 493995 transitions. [2018-07-24 00:36:39,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 00:36:39,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1074 [2018-07-24 00:36:39,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:36:39,471 INFO L225 Difference]: With dead ends: 476627 [2018-07-24 00:36:39,471 INFO L226 Difference]: Without dead ends: 252455 [2018-07-24 00:36:39,582 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 00:36:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252455 states. [2018-07-24 00:36:42,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252455 to 236042. [2018-07-24 00:36:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236042 states. [2018-07-24 00:36:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236042 states to 236042 states and 244187 transitions. [2018-07-24 00:36:42,535 INFO L78 Accepts]: Start accepts. Automaton has 236042 states and 244187 transitions. Word has length 1074 [2018-07-24 00:36:42,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 00:36:42,535 INFO L471 AbstractCegarLoop]: Abstraction has 236042 states and 244187 transitions. [2018-07-24 00:36:42,535 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 00:36:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 236042 states and 244187 transitions. [2018-07-24 00:36:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2018-07-24 00:36:42,630 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 00:36:42,631 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 00:36:42,631 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 00:36:42,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1837986691, now seen corresponding path program 1 times [2018-07-24 00:36:42,631 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 00:36:42,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 00:36:42,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:36:42,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 00:36:42,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 00:36:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 00:36:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 1026 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-07-24 00:36:45,049 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 00:36:45,049 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 00:36:45,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 00:36:45,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 00:36:45,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 00:36:45,050 INFO L87 Difference]: Start difference. First operand 236042 states and 244187 transitions. Second operand 3 states. [2018-07-24 00:36:53,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 00:36:53,831 INFO L93 Difference]: Finished difference Result 525555 states and 544584 transitions. [2018-07-24 00:36:53,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 00:36:53,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1093 [2018-07-24 00:36:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 00:36:54,164 INFO L225 Difference]: With dead ends: 525555 [2018-07-24 00:36:54,165 INFO L226 Difference]: Without dead ends: 292523 [2018-07-24 00:36:54,297 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 00:36:54,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292523 states. Received shutdown request... [2018-07-24 00:36:58,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292523 to 282619. [2018-07-24 00:36:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282619 states. [2018-07-24 00:36:58,323 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 00:36:58,328 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 00:36:58,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:36:58 BoogieIcfgContainer [2018-07-24 00:36:58,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 00:36:58,330 INFO L168 Benchmark]: Toolchain (without parser) took 225198.63 ms. Allocated memory was 1.5 GB in the beginning and 4.9 GB in the end (delta: 3.4 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-24 00:36:58,331 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. [2018-07-24 00:36:58,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2333.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-07-24 00:36:58,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 420.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-24 00:36:58,333 INFO L168 Benchmark]: Boogie Preprocessor took 1177.62 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 169.6 MB. Max. memory is 7.1 GB. [2018-07-24 00:36:58,334 INFO L168 Benchmark]: RCFGBuilder took 8755.24 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 151.0 MB). Free memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: -137.0 MB). Peak memory consumption was 779.9 MB. Max. memory is 7.1 GB. [2018-07-24 00:36:58,335 INFO L168 Benchmark]: TraceAbstraction took 212506.33 ms. Allocated memory was 2.7 GB in the beginning and 4.9 GB in the end (delta: 2.2 GB). Free memory was 2.5 GB in the beginning and 3.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-07-24 00:36:58,340 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 2333.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 420.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1177.62 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 169.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8755.24 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 151.0 MB). Free memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: -137.0 MB). Peak memory consumption was 779.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212506.33 ms. Allocated memory was 2.7 GB in the beginning and 4.9 GB in the end (delta: 2.2 GB). Free memory was 2.5 GB in the beginning and 3.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 90). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 819 locations, 1 error locations. TIMEOUT Result, 212.4s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 159.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10913 SDtfs, 30703 SDslu, 1328 SDs, 0 SdLazy, 67845 SolverSat, 14251 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 121.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 540 GetRequests, 488 SyntacticMatches, 13 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256546occurred in iteration=10, 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: 34.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 169237 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 8298 NumberOfCodeBlocks, 8298 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 8282 ConstructedInterpolants, 0 QuantifiedInterpolants, 16540965 SizeOfPredicates, 1 NumberOfNonLiveVariables, 654 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 7361/7371 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label42_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_00-36-58-354.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label42_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_00-36-58-354.csv Completed graceful shutdown