java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 17:01:41,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 17:01:41,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 17:01:41,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 17:01:41,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 17:01:41,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 17:01:41,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 17:01:41,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 17:01:41,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 17:01:41,081 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 17:01:41,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 17:01:41,082 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 17:01:41,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 17:01:41,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 17:01:41,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 17:01:41,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 17:01:41,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 17:01:41,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 17:01:41,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 17:01:41,104 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 17:01:41,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 17:01:41,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 17:01:41,112 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 17:01:41,121 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 17:01:41,121 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 17:01:41,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 17:01:41,125 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 17:01:41,125 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 17:01:41,154 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 17:01:41,154 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 17:01:41,155 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 17:01:41,155 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 17:01:41,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 17:01:41,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 17:01:41,159 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 17:01:41,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 17:01:41,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 17:01:41,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 17:01:41,160 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 17:01:41,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 17:01:41,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 17:01:41,161 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 17:01:41,161 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 17:01:41,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 17:01:41,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 17:01:41,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 17:01:41,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 17:01:41,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:01:41,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 17:01:41,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 17:01:41,164 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 17:01:41,164 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 17:01:41,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 17:01:41,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 17:01:41,164 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 17:01:41,165 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 17:01:41,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 17:01:41,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 17:01:41,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 17:01:41,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 17:01:41,244 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 17:01:41,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c [2018-10-24 17:01:41,309 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7430d3abd/83f55518899147e5b159e9b7d44932d0/FLAG532109a06 [2018-10-24 17:01:42,239 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 17:01:42,241 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c [2018-10-24 17:01:42,289 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7430d3abd/83f55518899147e5b159e9b7d44932d0/FLAG532109a06 [2018-10-24 17:01:42,309 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7430d3abd/83f55518899147e5b159e9b7d44932d0 [2018-10-24 17:01:42,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 17:01:42,325 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 17:01:42,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 17:01:42,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 17:01:42,331 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 17:01:42,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:01:42" (1/1) ... [2018-10-24 17:01:42,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8de4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:42, skipping insertion in model container [2018-10-24 17:01:42,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:01:42" (1/1) ... [2018-10-24 17:01:42,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 17:01:42,625 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 17:01:44,606 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:01:44,612 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 17:01:46,094 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:01:46,155 INFO L193 MainTranslator]: Completed translation [2018-10-24 17:01:46,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46 WrapperNode [2018-10-24 17:01:46,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 17:01:46,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 17:01:46,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 17:01:46,157 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 17:01:46,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:46,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:47,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 17:01:47,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 17:01:47,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 17:01:47,329 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 17:01:47,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:47,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:47,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:47,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:47,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:47,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:48,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... [2018-10-24 17:01:48,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 17:01:48,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 17:01:48,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 17:01:48,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 17:01:48,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 17:01:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 17:01:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 17:01:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 17:02:05,916 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 17:02:05,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:02:05 BoogieIcfgContainer [2018-10-24 17:02:05,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 17:02:05,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 17:02:05,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 17:02:05,924 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 17:02:05,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:01:42" (1/3) ... [2018-10-24 17:02:05,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772e6ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:02:05, skipping insertion in model container [2018-10-24 17:02:05,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:01:46" (2/3) ... [2018-10-24 17:02:05,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@772e6ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:02:05, skipping insertion in model container [2018-10-24 17:02:05,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:02:05" (3/3) ... [2018-10-24 17:02:05,932 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label01_true-unreach-call.c [2018-10-24 17:02:05,942 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 17:02:05,956 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 17:02:05,975 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 17:02:06,045 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 17:02:06,045 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 17:02:06,046 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 17:02:06,046 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 17:02:06,046 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 17:02:06,046 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 17:02:06,046 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 17:02:06,046 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 17:02:06,046 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 17:02:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-24 17:02:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-24 17:02:06,109 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:02:06,111 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:02:06,114 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:02:06,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:02:06,121 INFO L82 PathProgramCache]: Analyzing trace with hash -344880110, now seen corresponding path program 1 times [2018-10-24 17:02:06,123 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:02:06,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:02:06,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:02:06,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:02:06,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:02:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:02:06,696 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 17:02:07,527 WARN L179 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-10-24 17:02:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:02:07,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:02:07,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 17:02:07,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 17:02:07,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 17:02:07,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 17:02:07,776 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 6 states. [2018-10-24 17:02:07,984 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-24 17:02:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:02:51,767 INFO L93 Difference]: Finished difference Result 9027 states and 17501 transitions. [2018-10-24 17:02:51,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 17:02:51,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-10-24 17:02:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:02:51,844 INFO L225 Difference]: With dead ends: 9027 [2018-10-24 17:02:51,844 INFO L226 Difference]: Without dead ends: 7265 [2018-10-24 17:02:51,856 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-24 17:02:51,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2018-10-24 17:02:52,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 5894. [2018-10-24 17:02:52,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5894 states. [2018-10-24 17:02:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 8531 transitions. [2018-10-24 17:02:52,135 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 8531 transitions. Word has length 64 [2018-10-24 17:02:52,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:02:52,136 INFO L481 AbstractCegarLoop]: Abstraction has 5894 states and 8531 transitions. [2018-10-24 17:02:52,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 17:02:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 8531 transitions. [2018-10-24 17:02:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-24 17:02:52,152 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:02:52,153 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:02:52,158 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:02:52,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:02:52,158 INFO L82 PathProgramCache]: Analyzing trace with hash -2065591983, now seen corresponding path program 1 times [2018-10-24 17:02:52,159 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:02:52,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:02:52,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:02:52,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:02:52,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:02:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:02:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:02:53,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:02:53,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 17:02:53,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 17:02:53,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 17:02:53,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 17:02:53,294 INFO L87 Difference]: Start difference. First operand 5894 states and 8531 transitions. Second operand 7 states. [2018-10-24 17:03:32,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:03:32,369 INFO L93 Difference]: Finished difference Result 19998 states and 30777 transitions. [2018-10-24 17:03:32,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 17:03:32,369 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2018-10-24 17:03:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:03:32,437 INFO L225 Difference]: With dead ends: 19998 [2018-10-24 17:03:32,438 INFO L226 Difference]: Without dead ends: 14106 [2018-10-24 17:03:32,448 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-24 17:03:32,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14106 states. [2018-10-24 17:03:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14106 to 11371. [2018-10-24 17:03:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11371 states. [2018-10-24 17:03:32,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11371 states to 11371 states and 14248 transitions. [2018-10-24 17:03:32,691 INFO L78 Accepts]: Start accepts. Automaton has 11371 states and 14248 transitions. Word has length 272 [2018-10-24 17:03:32,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:03:32,692 INFO L481 AbstractCegarLoop]: Abstraction has 11371 states and 14248 transitions. [2018-10-24 17:03:32,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 17:03:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 11371 states and 14248 transitions. [2018-10-24 17:03:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-24 17:03:32,706 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:03:32,707 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:03:32,707 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:03:32,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:03:32,708 INFO L82 PathProgramCache]: Analyzing trace with hash 378048491, now seen corresponding path program 1 times [2018-10-24 17:03:32,708 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:03:32,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:03:32,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:03:32,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:03:32,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:03:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:03:33,213 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:03:33,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:03:33,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 17:03:33,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:03:33,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:03:33,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:03:33,216 INFO L87 Difference]: Start difference. First operand 11371 states and 14248 transitions. Second operand 4 states. [2018-10-24 17:03:53,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:03:53,534 INFO L93 Difference]: Finished difference Result 29726 states and 40703 transitions. [2018-10-24 17:03:53,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:03:53,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 300 [2018-10-24 17:03:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:03:53,598 INFO L225 Difference]: With dead ends: 29726 [2018-10-24 17:03:53,599 INFO L226 Difference]: Without dead ends: 16990 [2018-10-24 17:03:53,615 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:03:53,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16990 states. [2018-10-24 17:03:53,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16990 to 16899. [2018-10-24 17:03:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16899 states. [2018-10-24 17:03:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16899 states to 16899 states and 23134 transitions. [2018-10-24 17:03:53,871 INFO L78 Accepts]: Start accepts. Automaton has 16899 states and 23134 transitions. Word has length 300 [2018-10-24 17:03:53,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:03:53,872 INFO L481 AbstractCegarLoop]: Abstraction has 16899 states and 23134 transitions. [2018-10-24 17:03:53,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:03:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 16899 states and 23134 transitions. [2018-10-24 17:03:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-10-24 17:03:53,880 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:03:53,880 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:03:53,881 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:03:53,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:03:53,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1965923475, now seen corresponding path program 1 times [2018-10-24 17:03:53,881 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:03:53,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:03:53,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:03:53,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:03:53,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:03:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:03:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 123 proven. 4 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-24 17:03:54,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 17:03:54,561 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 17:03:54,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:03:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:03:54,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 17:03:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:03:54,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 17:03:54,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-24 17:03:54,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:03:54,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:03:54,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:03:54,953 INFO L87 Difference]: Start difference. First operand 16899 states and 23134 transitions. Second operand 4 states. [2018-10-24 17:04:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:04:16,874 INFO L93 Difference]: Finished difference Result 58616 states and 83259 transitions. [2018-10-24 17:04:16,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:04:16,876 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 406 [2018-10-24 17:04:16,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:04:16,958 INFO L225 Difference]: With dead ends: 58616 [2018-10-24 17:04:16,958 INFO L226 Difference]: Without dead ends: 43085 [2018-10-24 17:04:16,985 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:04:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43085 states. [2018-10-24 17:04:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43085 to 27823. [2018-10-24 17:04:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27823 states. [2018-10-24 17:04:17,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27823 states to 27823 states and 38990 transitions. [2018-10-24 17:04:17,663 INFO L78 Accepts]: Start accepts. Automaton has 27823 states and 38990 transitions. Word has length 406 [2018-10-24 17:04:17,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:04:17,664 INFO L481 AbstractCegarLoop]: Abstraction has 27823 states and 38990 transitions. [2018-10-24 17:04:17,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:04:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 27823 states and 38990 transitions. [2018-10-24 17:04:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2018-10-24 17:04:17,676 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:04:17,677 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:04:17,677 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:04:17,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:04:17,678 INFO L82 PathProgramCache]: Analyzing trace with hash -686471672, now seen corresponding path program 1 times [2018-10-24 17:04:17,678 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:04:17,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:04:17,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:04:17,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:04:17,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:04:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:04:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 316 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-24 17:04:18,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 17:04:18,699 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 17:04:18,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:04:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:04:18,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 17:04:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-24 17:04:19,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 17:04:19,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-24 17:04:19,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 17:04:19,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 17:04:19,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 17:04:19,158 INFO L87 Difference]: Start difference. First operand 27823 states and 38990 transitions. Second operand 5 states. [2018-10-24 17:04:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:04:56,316 INFO L93 Difference]: Finished difference Result 143178 states and 214449 transitions. [2018-10-24 17:04:56,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 17:04:56,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 494 [2018-10-24 17:04:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:04:56,529 INFO L225 Difference]: With dead ends: 143178 [2018-10-24 17:04:56,529 INFO L226 Difference]: Without dead ends: 116723 [2018-10-24 17:04:56,584 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 17:04:56,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116723 states. [2018-10-24 17:04:57,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116723 to 113941. [2018-10-24 17:04:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113941 states. [2018-10-24 17:04:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113941 states to 113941 states and 141288 transitions. [2018-10-24 17:04:57,947 INFO L78 Accepts]: Start accepts. Automaton has 113941 states and 141288 transitions. Word has length 494 [2018-10-24 17:04:57,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:04:57,948 INFO L481 AbstractCegarLoop]: Abstraction has 113941 states and 141288 transitions. [2018-10-24 17:04:57,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 17:04:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 113941 states and 141288 transitions. [2018-10-24 17:04:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2018-10-24 17:04:57,967 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:04:57,968 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:04:57,968 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:04:57,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:04:57,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1710028180, now seen corresponding path program 1 times [2018-10-24 17:04:57,969 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:04:57,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:04:57,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:04:57,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:04:57,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:04:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:04:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 490 proven. 4 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-10-24 17:04:59,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 17:04:59,299 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 17:04:59,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:04:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:04:59,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 17:05:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-10-24 17:05:00,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 17:05:00,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-24 17:05:00,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 17:05:00,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 17:05:00,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 17:05:00,391 INFO L87 Difference]: Start difference. First operand 113941 states and 141288 transitions. Second operand 5 states. [2018-10-24 17:05:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:05:22,285 INFO L93 Difference]: Finished difference Result 240176 states and 295497 transitions. [2018-10-24 17:05:22,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 17:05:22,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 681 [2018-10-24 17:05:22,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:05:22,433 INFO L225 Difference]: With dead ends: 240176 [2018-10-24 17:05:22,433 INFO L226 Difference]: Without dead ends: 123502 [2018-10-24 17:05:22,498 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 681 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-24 17:05:22,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123502 states. [2018-10-24 17:05:23,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123502 to 112562. [2018-10-24 17:05:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112562 states. [2018-10-24 17:05:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112562 states to 112562 states and 130050 transitions. [2018-10-24 17:05:23,523 INFO L78 Accepts]: Start accepts. Automaton has 112562 states and 130050 transitions. Word has length 681 [2018-10-24 17:05:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:05:23,523 INFO L481 AbstractCegarLoop]: Abstraction has 112562 states and 130050 transitions. [2018-10-24 17:05:23,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 17:05:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 112562 states and 130050 transitions. [2018-10-24 17:05:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2018-10-24 17:05:23,556 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:05:23,556 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:05:23,557 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:05:23,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:05:23,557 INFO L82 PathProgramCache]: Analyzing trace with hash -178452482, now seen corresponding path program 1 times [2018-10-24 17:05:23,557 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:05:23,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:05:23,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:05:23,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:05:23,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:05:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:05:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 318 proven. 72 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-10-24 17:05:25,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 17:05:25,151 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 17:05:25,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:05:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:05:25,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 17:05:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-10-24 17:05:25,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 17:05:25,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-10-24 17:05:25,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 17:05:25,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 17:05:25,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 17:05:25,980 INFO L87 Difference]: Start difference. First operand 112562 states and 130050 transitions. Second operand 5 states. [2018-10-24 17:05:41,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:05:41,161 INFO L93 Difference]: Finished difference Result 286595 states and 331831 transitions. [2018-10-24 17:05:41,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:05:41,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 884 [2018-10-24 17:05:41,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:05:41,357 INFO L225 Difference]: With dead ends: 286595 [2018-10-24 17:05:41,358 INFO L226 Difference]: Without dead ends: 175401 [2018-10-24 17:05:41,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 883 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 17:05:41,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175401 states. Received shutdown request... [2018-10-24 17:05:42,903 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 17:05:42,907 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 17:05:42,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:05:42 BoogieIcfgContainer [2018-10-24 17:05:42,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 17:05:42,909 INFO L168 Benchmark]: Toolchain (without parser) took 240584.68 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-24 17:05:42,914 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-24 17:05:42,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3829.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-10-24 17:05:42,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 1172.27 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 847.8 MB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 17:05:42,919 INFO L168 Benchmark]: Boogie Preprocessor took 883.85 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 115.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2018-10-24 17:05:42,920 INFO L168 Benchmark]: RCFGBuilder took 17704.03 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 284.7 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 483.7 MB). Peak memory consumption was 768.4 MB. Max. memory is 7.1 GB. [2018-10-24 17:05:42,922 INFO L168 Benchmark]: TraceAbstraction took 216989.48 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 1.1 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-24 17:05:42,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3829.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1172.27 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 847.8 MB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 883.85 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 115.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17704.03 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 284.7 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 483.7 MB). Peak memory consumption was 768.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 216989.48 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 1.1 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 205]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 205). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 216.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 200.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8443 SDtfs, 45048 SDslu, 3443 SDs, 0 SdLazy, 91538 SolverSat, 23324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 169.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2507 GetRequests, 2469 SyntacticMatches, 8 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113941occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 33181 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 5566 NumberOfCodeBlocks, 5566 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 5555 ConstructedInterpolants, 0 QuantifiedInterpolants, 11758730 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2905 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 4115/4200 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown