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/Problem19_label16_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 03:34:12,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 03:34:12,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 03:34:12,090 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 03:34:12,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 03:34:12,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 03:34:12,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 03:34:12,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 03:34:12,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 03:34:12,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 03:34:12,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 03:34:12,108 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 03:34:12,109 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 03:34:12,110 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 03:34:12,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 03:34:12,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 03:34:12,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 03:34:12,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 03:34:12,117 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 03:34:12,118 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 03:34:12,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 03:34:12,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 03:34:12,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 03:34:12,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 03:34:12,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 03:34:12,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 03:34:12,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 03:34:12,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 03:34:12,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 03:34:12,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 03:34:12,130 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 03:34:12,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 03:34:12,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 03:34:12,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 03:34:12,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 03:34:12,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 03:34:12,133 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 03:34:12,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 03:34:12,160 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 03:34:12,161 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 03:34:12,161 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 03:34:12,162 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 03:34:12,162 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 03:34:12,162 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 03:34:12,163 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 03:34:12,163 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 03:34:12,163 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 03:34:12,163 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 03:34:12,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 03:34:12,164 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 03:34:12,164 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 03:34:12,164 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 03:34:12,165 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 03:34:12,165 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 03:34:12,166 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 03:34:12,166 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 03:34:12,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:34:12,166 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 03:34:12,166 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 03:34:12,167 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 03:34:12,167 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 03:34:12,167 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 03:34:12,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 03:34:12,168 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 03:34:12,168 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 03:34:12,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 03:34:12,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 03:34:12,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 03:34:12,247 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 03:34:12,247 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 03:34:12,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label16_true-unreach-call.c [2018-07-24 03:34:12,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43c88b2e7/dbde063dc7ee4137b3d4678428de6142/FLAG6d8d6fa33 [2018-07-24 03:34:13,202 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 03:34:13,203 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label16_true-unreach-call.c [2018-07-24 03:34:13,248 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43c88b2e7/dbde063dc7ee4137b3d4678428de6142/FLAG6d8d6fa33 [2018-07-24 03:34:13,264 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43c88b2e7/dbde063dc7ee4137b3d4678428de6142 [2018-07-24 03:34:13,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 03:34:13,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 03:34:13,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 03:34:13,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 03:34:13,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 03:34:13,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:34:13" (1/1) ... [2018-07-24 03:34:13,291 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 03:34:13, skipping insertion in model container [2018-07-24 03:34:13,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:34:13" (1/1) ... [2018-07-24 03:34:13,747 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 03:34:15,623 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:34:15,641 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 03:34:16,769 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:34:17,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17 WrapperNode [2018-07-24 03:34:17,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 03:34:17,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 03:34:17,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 03:34:17,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 03:34:17,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:17,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:18,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 03:34:18,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 03:34:18,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 03:34:18,078 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 03:34:19,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:19,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:20,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:20,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:20,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:20,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:20,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (1/1) ... [2018-07-24 03:34:20,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 03:34:20,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 03:34:20,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 03:34:20,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 03:34:20,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (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 03:34:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 03:34:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 03:34:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 03:34:43,245 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 03:34:43,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:34:43 BoogieIcfgContainer [2018-07-24 03:34:43,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 03:34:43,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 03:34:43,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 03:34:43,251 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 03:34:43,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:34:13" (1/3) ... [2018-07-24 03:34:43,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4829614c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:34:43, skipping insertion in model container [2018-07-24 03:34:43,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:34:17" (2/3) ... [2018-07-24 03:34:43,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4829614c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:34:43, skipping insertion in model container [2018-07-24 03:34:43,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:34:43" (3/3) ... [2018-07-24 03:34:43,255 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label16_true-unreach-call.c [2018-07-24 03:34:43,266 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 03:34:43,285 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 03:34:43,368 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 03:34:43,369 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 03:34:43,369 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 03:34:43,370 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 03:34:43,370 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 03:34:43,370 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 03:34:43,370 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 03:34:43,370 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 03:34:43,370 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 03:34:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-24 03:34:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-24 03:34:43,442 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:34:43,443 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, 1, 1, 1, 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 03:34:43,443 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:34:43,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1704727530, now seen corresponding path program 1 times [2018-07-24 03:34:43,452 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:34:43,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:34:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:34:43,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:34:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:34:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:34:43,947 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 03:34:43,950 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:34:43,951 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:34:43,956 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:34:43,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:34:43,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:34:43,974 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-07-24 03:35:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:35:13,739 INFO L93 Difference]: Finished difference Result 6409 states and 12226 transitions. [2018-07-24 03:35:13,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:35:13,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-07-24 03:35:13,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:35:13,794 INFO L225 Difference]: With dead ends: 6409 [2018-07-24 03:35:13,795 INFO L226 Difference]: Without dead ends: 4653 [2018-07-24 03:35:13,807 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 03:35:13,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2018-07-24 03:35:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 4617. [2018-07-24 03:35:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4617 states. [2018-07-24 03:35:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 7623 transitions. [2018-07-24 03:35:14,029 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 7623 transitions. Word has length 54 [2018-07-24 03:35:14,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:35:14,030 INFO L471 AbstractCegarLoop]: Abstraction has 4617 states and 7623 transitions. [2018-07-24 03:35:14,030 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:35:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 7623 transitions. [2018-07-24 03:35:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-24 03:35:14,039 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:35:14,040 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, 2, 2, 2, 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] [2018-07-24 03:35:14,041 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:35:14,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1812485294, now seen corresponding path program 1 times [2018-07-24 03:35:14,041 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:35:14,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:35:14,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:35:14,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:35:14,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:35:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:35:14,464 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 03:35:15,045 WARN L169 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 19 [2018-07-24 03:35:15,692 WARN L169 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-07-24 03:35:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:35:15,891 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:35:15,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 03:35:15,894 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 03:35:15,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 03:35:15,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-24 03:35:15,895 INFO L87 Difference]: Start difference. First operand 4617 states and 7623 transitions. Second operand 6 states. [2018-07-24 03:35:16,082 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-07-24 03:35:53,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:35:53,249 INFO L93 Difference]: Finished difference Result 20192 states and 32413 transitions. [2018-07-24 03:35:53,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 03:35:53,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-07-24 03:35:53,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:35:53,322 INFO L225 Difference]: With dead ends: 20192 [2018-07-24 03:35:53,322 INFO L226 Difference]: Without dead ends: 15577 [2018-07-24 03:35:53,331 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-07-24 03:35:53,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15577 states. [2018-07-24 03:35:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15577 to 14204. [2018-07-24 03:35:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14204 states. [2018-07-24 03:35:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14204 states to 14204 states and 19574 transitions. [2018-07-24 03:35:53,588 INFO L78 Accepts]: Start accepts. Automaton has 14204 states and 19574 transitions. Word has length 122 [2018-07-24 03:35:53,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:35:53,588 INFO L471 AbstractCegarLoop]: Abstraction has 14204 states and 19574 transitions. [2018-07-24 03:35:53,588 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 03:35:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 14204 states and 19574 transitions. [2018-07-24 03:35:53,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-24 03:35:53,598 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:35:53,598 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:53,598 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:35:53,599 INFO L82 PathProgramCache]: Analyzing trace with hash -233182779, now seen corresponding path program 1 times [2018-07-24 03:35:53,599 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:35:53,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:35:53,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:35:53,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:35:53,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:35:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:35:54,168 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 03:35:54,641 WARN L169 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 17 [2018-07-24 03:35:54,912 WARN L169 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2018-07-24 03:35:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-07-24 03:35:55,245 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:35:55,245 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 03:35:55,246 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 03:35:55,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 03:35:55,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-24 03:35:55,247 INFO L87 Difference]: Start difference. First operand 14204 states and 19574 transitions. Second operand 7 states. [2018-07-24 03:36:34,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:36:34,456 INFO L93 Difference]: Finished difference Result 40712 states and 55789 transitions. [2018-07-24 03:36:34,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 03:36:34,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 340 [2018-07-24 03:36:34,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:36:34,527 INFO L225 Difference]: With dead ends: 40712 [2018-07-24 03:36:34,527 INFO L226 Difference]: Without dead ends: 26510 [2018-07-24 03:36:34,547 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-07-24 03:36:34,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26510 states. [2018-07-24 03:36:34,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26510 to 23774. [2018-07-24 03:36:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23774 states. [2018-07-24 03:36:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23774 states to 23774 states and 29481 transitions. [2018-07-24 03:36:34,925 INFO L78 Accepts]: Start accepts. Automaton has 23774 states and 29481 transitions. Word has length 340 [2018-07-24 03:36:34,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:36:34,926 INFO L471 AbstractCegarLoop]: Abstraction has 23774 states and 29481 transitions. [2018-07-24 03:36:34,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 03:36:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 23774 states and 29481 transitions. [2018-07-24 03:36:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-07-24 03:36:34,932 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:36:34,932 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:36:34,933 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:36:34,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2101152607, now seen corresponding path program 1 times [2018-07-24 03:36:34,933 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:36:34,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:36:34,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:36:34,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:36:34,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:36:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:36:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:36:35,469 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:36:35,469 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:36:35,470 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:36:35,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:36:35,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:36:35,471 INFO L87 Difference]: Start difference. First operand 23774 states and 29481 transitions. Second operand 4 states. [2018-07-24 03:36:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:36:53,162 INFO L93 Difference]: Finished difference Result 53032 states and 66783 transitions. [2018-07-24 03:36:53,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:36:53,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 368 [2018-07-24 03:36:53,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:36:53,211 INFO L225 Difference]: With dead ends: 53032 [2018-07-24 03:36:53,211 INFO L226 Difference]: Without dead ends: 25160 [2018-07-24 03:36:53,245 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 03:36:53,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25160 states. [2018-07-24 03:36:53,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25160 to 23784. [2018-07-24 03:36:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23784 states. [2018-07-24 03:36:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23784 states to 23784 states and 28852 transitions. [2018-07-24 03:36:53,574 INFO L78 Accepts]: Start accepts. Automaton has 23784 states and 28852 transitions. Word has length 368 [2018-07-24 03:36:53,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:36:53,575 INFO L471 AbstractCegarLoop]: Abstraction has 23784 states and 28852 transitions. [2018-07-24 03:36:53,575 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:36:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 23784 states and 28852 transitions. [2018-07-24 03:36:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-07-24 03:36:53,584 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:36:53,584 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, 4, 4, 4, 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, 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] [2018-07-24 03:36:53,585 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:36:53,585 INFO L82 PathProgramCache]: Analyzing trace with hash -595868361, now seen corresponding path program 1 times [2018-07-24 03:36:53,585 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:36:53,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:36:53,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:36:53,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:36:53,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:36:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:36:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-07-24 03:36:53,978 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:36:53,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:36:53,979 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:36:53,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:36:53,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:36:53,979 INFO L87 Difference]: Start difference. First operand 23784 states and 28852 transitions. Second operand 4 states. [2018-07-24 03:37:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:37:13,563 INFO L93 Difference]: Finished difference Result 76377 states and 96032 transitions. [2018-07-24 03:37:13,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:37:13,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 428 [2018-07-24 03:37:13,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:37:13,644 INFO L225 Difference]: With dead ends: 76377 [2018-07-24 03:37:13,644 INFO L226 Difference]: Without dead ends: 48495 [2018-07-24 03:37:13,680 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:13,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48495 states. [2018-07-24 03:37:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48495 to 48399. [2018-07-24 03:37:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48399 states. [2018-07-24 03:37:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48399 states to 48399 states and 59647 transitions. [2018-07-24 03:37:14,253 INFO L78 Accepts]: Start accepts. Automaton has 48399 states and 59647 transitions. Word has length 428 [2018-07-24 03:37:14,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:37:14,254 INFO L471 AbstractCegarLoop]: Abstraction has 48399 states and 59647 transitions. [2018-07-24 03:37:14,254 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:37:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 48399 states and 59647 transitions. [2018-07-24 03:37:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-07-24 03:37:14,267 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:37:14,268 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, 4, 4, 4, 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, 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] [2018-07-24 03:37:14,268 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:37:14,268 INFO L82 PathProgramCache]: Analyzing trace with hash -69213474, now seen corresponding path program 1 times [2018-07-24 03:37:14,269 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:37:14,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:37:14,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:14,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:14,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 324 proven. 65 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-07-24 03:37:15,226 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:37:15,226 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 03:37:15,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:15,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:37:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 444 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-07-24 03:37:15,768 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:37:15,768 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-07-24 03:37:15,770 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:37:15,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:37:15,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:37:15,770 INFO L87 Difference]: Start difference. First operand 48399 states and 59647 transitions. Second operand 5 states. [2018-07-24 03:37:40,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:37:40,159 INFO L93 Difference]: Finished difference Result 217288 states and 271127 transitions. [2018-07-24 03:37:40,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-24 03:37:40,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 524 [2018-07-24 03:37:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:37:40,463 INFO L225 Difference]: With dead ends: 217288 [2018-07-24 03:37:40,463 INFO L226 Difference]: Without dead ends: 170257 [2018-07-24 03:37:40,518 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 523 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 03:37:40,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170257 states. [2018-07-24 03:37:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170257 to 123502. [2018-07-24 03:37:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123502 states. [2018-07-24 03:37:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123502 states to 123502 states and 143476 transitions. [2018-07-24 03:37:42,432 INFO L78 Accepts]: Start accepts. Automaton has 123502 states and 143476 transitions. Word has length 524 [2018-07-24 03:37:42,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:37:42,433 INFO L471 AbstractCegarLoop]: Abstraction has 123502 states and 143476 transitions. [2018-07-24 03:37:42,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 03:37:42,433 INFO L276 IsEmpty]: Start isEmpty. Operand 123502 states and 143476 transitions. [2018-07-24 03:37:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2018-07-24 03:37:42,453 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:37:42,454 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:42,454 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:37:42,454 INFO L82 PathProgramCache]: Analyzing trace with hash -836175080, now seen corresponding path program 1 times [2018-07-24 03:37:42,454 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:37:42,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:37:42,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:42,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:42,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-07-24 03:37:44,410 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:37:44,410 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 03:37:44,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:44,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:37:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:37:44,881 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:37:44,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-07-24 03:37:44,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:37:44,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:37:44,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:44,883 INFO L87 Difference]: Start difference. First operand 123502 states and 143476 transitions. Second operand 4 states. [2018-07-24 03:38:10,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:38:10,384 INFO L93 Difference]: Finished difference Result 413910 states and 480591 transitions. [2018-07-24 03:38:10,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:38:10,385 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 620 [2018-07-24 03:38:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:38:10,903 INFO L225 Difference]: With dead ends: 413910 [2018-07-24 03:38:10,903 INFO L226 Difference]: Without dead ends: 291776 [2018-07-24 03:38:11,015 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 620 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 03:38:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291776 states. Received shutdown request... [2018-07-24 03:38:12,614 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 03:38:12,618 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 03:38:12,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:38:12 BoogieIcfgContainer [2018-07-24 03:38:12,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 03:38:12,620 INFO L168 Benchmark]: Toolchain (without parser) took 239343.95 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-24 03:38:12,621 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. [2018-07-24 03:38:12,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4085.75 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 204.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -127.4 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. [2018-07-24 03:38:12,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 712.96 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 7.1 GB. [2018-07-24 03:38:12,624 INFO L168 Benchmark]: Boogie Preprocessor took 2543.94 ms. Allocated memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: 1.0 GB). Free memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 195.2 MB. Max. memory is 7.1 GB. [2018-07-24 03:38:12,626 INFO L168 Benchmark]: RCFGBuilder took 22624.22 ms. Allocated memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: 284.2 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 302.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 03:38:12,627 INFO L168 Benchmark]: TraceAbstraction took 209371.86 ms. Allocated memory was 3.0 GB in the beginning and 4.0 GB in the end (delta: 915.4 MB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -813.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-24 03:38:12,633 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 4085.75 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 204.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -127.4 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 712.96 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2543.94 ms. Allocated memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: 1.0 GB). Free memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 195.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 22624.22 ms. Allocated memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: 284.2 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 302.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 209371.86 ms. Allocated memory was 3.0 GB in the beginning and 4.0 GB in the end (delta: 915.4 MB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -813.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 175). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 209.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 194.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11240 SDtfs, 40875 SDslu, 3450 SDs, 0 SdLazy, 81097 SolverSat, 22772 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 165.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1151 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123502occurred in iteration=6, 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, 52372 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 3600 NumberOfCodeBlocks, 3600 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3591 ConstructedInterpolants, 0 QuantifiedInterpolants, 5120821 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 2049/2118 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/Problem19_label16_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_03-38-12-650.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label16_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_03-38-12-650.csv Completed graceful shutdown