java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label50_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 05:39:53,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 05:39:53,777 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 05:39:53,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 05:39:53,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 05:39:53,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 05:39:53,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 05:39:53,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 05:39:53,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 05:39:53,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 05:39:53,804 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 05:39:53,804 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 05:39:53,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 05:39:53,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 05:39:53,811 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 05:39:53,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 05:39:53,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 05:39:53,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 05:39:53,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 05:39:53,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 05:39:53,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 05:39:53,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 05:39:53,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-22 05:39:53,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-22 05:39:53,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-22 05:39:53,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-22 05:39:53,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-22 05:39:53,839 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-22 05:39:53,840 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-22 05:39:53,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-22 05:39:53,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-22 05:39:53,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-22 05:39:53,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-22 05:39:53,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-22 05:39:53,846 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-22 05:39:53,849 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-22 05:39:53,849 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-22 05:39:53,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 05:39:53,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 05:39:53,877 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 05:39:53,877 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 05:39:53,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 05:39:53,878 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 05:39:53,878 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 05:39:53,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 05:39:53,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 05:39:53,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 05:39:53,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 05:39:53,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 05:39:53,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 05:39:53,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 05:39:53,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 05:39:53,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 05:39:53,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 05:39:53,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 05:39:53,884 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 05:39:53,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 05:39:53,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 05:39:53,884 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 05:39:53,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 05:39:53,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 05:39:53,886 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 05:39:53,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 05:39:53,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 05:39:53,886 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 05:39:53,887 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 05:39:53,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 05:39:53,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 05:39:53,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 05:39:53,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 05:39:53,962 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 05:39:53,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label50_false-unreach-call.c [2018-07-22 05:39:54,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c099f6e81/f44c1458cf164cfab5f05b590c2248ee/FLAG2743c18a3 [2018-07-22 05:39:55,124 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 05:39:55,125 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label50_false-unreach-call.c [2018-07-22 05:39:55,203 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c099f6e81/f44c1458cf164cfab5f05b590c2248ee/FLAG2743c18a3 [2018-07-22 05:39:55,270 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c099f6e81/f44c1458cf164cfab5f05b590c2248ee [2018-07-22 05:39:55,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 05:39:55,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 05:39:55,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 05:39:55,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 05:39:55,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 05:39:55,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:55" (1/1) ... [2018-07-22 05:39:55,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:55, skipping insertion in model container [2018-07-22 05:39:55,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:55" (1/1) ... [2018-07-22 05:39:55,844 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 05:39:58,187 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:39:58,208 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 05:39:59,832 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:40:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00 WrapperNode [2018-07-22 05:40:00,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 05:40:00,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 05:40:00,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 05:40:00,297 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 05:40:00,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:00,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:02,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 05:40:02,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 05:40:02,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 05:40:02,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 05:40:02,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:02,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:02,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:02,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:02,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:03,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:03,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... [2018-07-22 05:40:03,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 05:40:03,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 05:40:03,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 05:40:03,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 05:40:03,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (1/1) ... No working directory specified, using /storage/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 [2018-07-22 05:40:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 05:40:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 05:40:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 05:40:19,370 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 05:40:19,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:40:19 BoogieIcfgContainer [2018-07-22 05:40:19,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 05:40:19,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 05:40:19,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 05:40:19,376 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 05:40:19,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:39:55" (1/3) ... [2018-07-22 05:40:19,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f83637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:40:19, skipping insertion in model container [2018-07-22 05:40:19,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:40:00" (2/3) ... [2018-07-22 05:40:19,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f83637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:40:19, skipping insertion in model container [2018-07-22 05:40:19,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:40:19" (3/3) ... [2018-07-22 05:40:19,383 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label50_false-unreach-call.c [2018-07-22 05:40:19,396 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 05:40:19,406 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 05:40:19,470 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 05:40:19,471 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 05:40:19,471 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 05:40:19,471 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 05:40:19,471 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 05:40:19,471 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 05:40:19,472 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 05:40:19,472 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 05:40:19,472 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 05:40:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-22 05:40:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-22 05:40:19,542 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:40:19,543 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:40:19,543 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:40:19,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1407492386, now seen corresponding path program 1 times [2018-07-22 05:40:19,549 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:40:19,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:40:19,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:40:19,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:40:19,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:40:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:40:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:40:19,896 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:40:19,896 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:40:19,899 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:40:19,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:40:19,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:40:19,918 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-07-22 05:40:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:40:41,933 INFO L93 Difference]: Finished difference Result 6322 states and 12078 transitions. [2018-07-22 05:40:41,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:40:41,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-07-22 05:40:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:40:41,988 INFO L225 Difference]: With dead ends: 6322 [2018-07-22 05:40:41,988 INFO L226 Difference]: Without dead ends: 4566 [2018-07-22 05:40:41,998 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:40:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2018-07-22 05:40:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4562. [2018-07-22 05:40:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2018-07-22 05:40:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 7763 transitions. [2018-07-22 05:40:42,247 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 7763 transitions. Word has length 21 [2018-07-22 05:40:42,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:40:42,247 INFO L471 AbstractCegarLoop]: Abstraction has 4562 states and 7763 transitions. [2018-07-22 05:40:42,247 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:40:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 7763 transitions. [2018-07-22 05:40:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-22 05:40:42,251 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:40:42,253 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:40:42,253 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:40:42,254 INFO L82 PathProgramCache]: Analyzing trace with hash -540128311, now seen corresponding path program 1 times [2018-07-22 05:40:42,254 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:40:42,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:40:42,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:40:42,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:40:42,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:40:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:40:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:40:42,609 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:40:42,610 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:40:42,611 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:40:42,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:40:42,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:40:42,612 INFO L87 Difference]: Start difference. First operand 4562 states and 7763 transitions. Second operand 4 states. [2018-07-22 05:41:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:41:03,011 INFO L93 Difference]: Finished difference Result 17536 states and 30099 transitions. [2018-07-22 05:41:03,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:41:03,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-07-22 05:41:03,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:41:03,076 INFO L225 Difference]: With dead ends: 17536 [2018-07-22 05:41:03,076 INFO L226 Difference]: Without dead ends: 12976 [2018-07-22 05:41:03,084 INFO L578 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 [2018-07-22 05:41:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12976 states. [2018-07-22 05:41:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12976 to 8660. [2018-07-22 05:41:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8660 states. [2018-07-22 05:41:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8660 states to 8660 states and 14380 transitions. [2018-07-22 05:41:03,322 INFO L78 Accepts]: Start accepts. Automaton has 8660 states and 14380 transitions. Word has length 91 [2018-07-22 05:41:03,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:41:03,323 INFO L471 AbstractCegarLoop]: Abstraction has 8660 states and 14380 transitions. [2018-07-22 05:41:03,323 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:41:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 8660 states and 14380 transitions. [2018-07-22 05:41:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-22 05:41:03,329 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:41:03,331 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:41:03,331 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:41:03,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1353721238, now seen corresponding path program 1 times [2018-07-22 05:41:03,331 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:41:03,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:41:03,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:03,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:41:03,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:41:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:41:03,730 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:41:03,730 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:41:03,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:41:03,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:41:03,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:41:03,731 INFO L87 Difference]: Start difference. First operand 8660 states and 14380 transitions. Second operand 4 states. [2018-07-22 05:41:19,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:41:19,000 INFO L93 Difference]: Finished difference Result 33813 states and 56473 transitions. [2018-07-22 05:41:19,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:41:19,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-07-22 05:41:19,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:41:19,085 INFO L225 Difference]: With dead ends: 33813 [2018-07-22 05:41:19,085 INFO L226 Difference]: Without dead ends: 25155 [2018-07-22 05:41:19,100 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:41:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25155 states. [2018-07-22 05:41:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25155 to 16865. [2018-07-22 05:41:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16865 states. [2018-07-22 05:41:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16865 states to 16865 states and 24314 transitions. [2018-07-22 05:41:19,451 INFO L78 Accepts]: Start accepts. Automaton has 16865 states and 24314 transitions. Word has length 113 [2018-07-22 05:41:19,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:41:19,452 INFO L471 AbstractCegarLoop]: Abstraction has 16865 states and 24314 transitions. [2018-07-22 05:41:19,452 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:41:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 16865 states and 24314 transitions. [2018-07-22 05:41:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-22 05:41:19,455 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:41:19,455 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:41:19,456 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:41:19,462 INFO L82 PathProgramCache]: Analyzing trace with hash 2048785476, now seen corresponding path program 1 times [2018-07-22 05:41:19,462 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:41:19,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:41:19,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:19,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:41:19,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:41:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:41:19,685 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:41:19,685 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:41:19,686 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:41:19,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:41:19,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:41:19,687 INFO L87 Difference]: Start difference. First operand 16865 states and 24314 transitions. Second operand 4 states. [2018-07-22 05:41:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:41:29,606 INFO L93 Difference]: Finished difference Result 39203 states and 55530 transitions. [2018-07-22 05:41:29,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:41:29,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-07-22 05:41:29,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:41:29,650 INFO L225 Difference]: With dead ends: 39203 [2018-07-22 05:41:29,650 INFO L226 Difference]: Without dead ends: 22340 [2018-07-22 05:41:29,666 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:41:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22340 states. [2018-07-22 05:41:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22340 to 22335. [2018-07-22 05:41:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22335 states. [2018-07-22 05:41:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 29271 transitions. [2018-07-22 05:41:29,969 INFO L78 Accepts]: Start accepts. Automaton has 22335 states and 29271 transitions. Word has length 122 [2018-07-22 05:41:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:41:29,969 INFO L471 AbstractCegarLoop]: Abstraction has 22335 states and 29271 transitions. [2018-07-22 05:41:29,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:41:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 22335 states and 29271 transitions. [2018-07-22 05:41:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-22 05:41:29,972 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:41:29,972 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:41:29,972 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:41:29,972 INFO L82 PathProgramCache]: Analyzing trace with hash 286659436, now seen corresponding path program 1 times [2018-07-22 05:41:29,972 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:41:29,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:41:29,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:29,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:41:29,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:41:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:41:30,202 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:41:30,203 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:41:30,203 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:41:30,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:41:30,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:41:30,204 INFO L87 Difference]: Start difference. First operand 22335 states and 29271 transitions. Second operand 4 states. [2018-07-22 05:41:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:41:42,556 INFO L93 Difference]: Finished difference Result 85917 states and 113206 transitions. [2018-07-22 05:41:42,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:41:42,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-07-22 05:41:42,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:41:42,628 INFO L225 Difference]: With dead ends: 85917 [2018-07-22 05:41:42,628 INFO L226 Difference]: Without dead ends: 63584 [2018-07-22 05:41:42,651 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:41:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63584 states. [2018-07-22 05:41:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63584 to 63572. [2018-07-22 05:41:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63572 states. [2018-07-22 05:41:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63572 states to 63572 states and 75533 transitions. [2018-07-22 05:41:43,350 INFO L78 Accepts]: Start accepts. Automaton has 63572 states and 75533 transitions. Word has length 138 [2018-07-22 05:41:43,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:41:43,350 INFO L471 AbstractCegarLoop]: Abstraction has 63572 states and 75533 transitions. [2018-07-22 05:41:43,350 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:41:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 63572 states and 75533 transitions. [2018-07-22 05:41:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2018-07-22 05:41:43,376 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:41:43,377 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:41:43,377 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:41:43,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2066906920, now seen corresponding path program 1 times [2018-07-22 05:41:43,378 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:41:43,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:41:43,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:43,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:41:43,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:41:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:41:44,657 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-07-22 05:41:45,454 WARN L169 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-07-22 05:41:45,890 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2018-07-22 05:41:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-07-22 05:41:47,413 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:41:47,414 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-22 05:41:47,415 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-22 05:41:47,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-22 05:41:47,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-22 05:41:47,415 INFO L87 Difference]: Start difference. First operand 63572 states and 75533 transitions. Second operand 8 states. [2018-07-22 05:42:13,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:42:13,144 INFO L93 Difference]: Finished difference Result 176091 states and 209523 transitions. [2018-07-22 05:42:13,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-22 05:42:13,145 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 824 [2018-07-22 05:42:13,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:42:13,254 INFO L225 Difference]: With dead ends: 176091 [2018-07-22 05:42:13,254 INFO L226 Difference]: Without dead ends: 112521 [2018-07-22 05:42:13,292 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-07-22 05:42:13,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112521 states. [2018-07-22 05:42:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112521 to 64938. [2018-07-22 05:42:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64938 states. [2018-07-22 05:42:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64938 states to 64938 states and 76905 transitions. [2018-07-22 05:42:14,267 INFO L78 Accepts]: Start accepts. Automaton has 64938 states and 76905 transitions. Word has length 824 [2018-07-22 05:42:14,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:42:14,269 INFO L471 AbstractCegarLoop]: Abstraction has 64938 states and 76905 transitions. [2018-07-22 05:42:14,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-22 05:42:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 64938 states and 76905 transitions. [2018-07-22 05:42:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2018-07-22 05:42:14,302 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:42:14,303 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 05:42:14,303 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:42:14,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1868832317, now seen corresponding path program 1 times [2018-07-22 05:42:14,304 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:42:14,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:42:14,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:42:14,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:42:14,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:42:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:42:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-07-22 05:42:16,022 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:42:16,022 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:42:16,023 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:42:16,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:42:16,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:42:16,024 INFO L87 Difference]: Start difference. First operand 64938 states and 76905 transitions. Second operand 4 states. [2018-07-22 05:42:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:42:27,431 INFO L93 Difference]: Finished difference Result 128509 states and 152439 transitions. [2018-07-22 05:42:27,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:42:27,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 909 [2018-07-22 05:42:27,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:42:27,491 INFO L225 Difference]: With dead ends: 128509 [2018-07-22 05:42:27,491 INFO L226 Difference]: Without dead ends: 64939 [2018-07-22 05:42:27,523 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:42:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64939 states. [2018-07-22 05:42:27,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64939 to 58102. [2018-07-22 05:42:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58102 states. [2018-07-22 05:42:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58102 states to 58102 states and 65719 transitions. [2018-07-22 05:42:28,037 INFO L78 Accepts]: Start accepts. Automaton has 58102 states and 65719 transitions. Word has length 909 [2018-07-22 05:42:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:42:28,038 INFO L471 AbstractCegarLoop]: Abstraction has 58102 states and 65719 transitions. [2018-07-22 05:42:28,038 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:42:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 58102 states and 65719 transitions. [2018-07-22 05:42:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2018-07-22 05:42:28,061 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:42:28,062 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 05:42:28,062 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:42:28,062 INFO L82 PathProgramCache]: Analyzing trace with hash -762404169, now seen corresponding path program 1 times [2018-07-22 05:42:28,062 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:42:28,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:42:28,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:42:28,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:42:28,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:42:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:42:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-07-22 05:42:29,446 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:42:29,446 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:42:29,447 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:42:29,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:42:29,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:42:29,448 INFO L87 Difference]: Start difference. First operand 58102 states and 65719 transitions. Second operand 4 states. [2018-07-22 05:42:42,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:42:42,990 INFO L93 Difference]: Finished difference Result 216074 states and 245396 transitions. [2018-07-22 05:42:42,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:42:42,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 918 [2018-07-22 05:42:42,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:42:43,142 INFO L225 Difference]: With dead ends: 216074 [2018-07-22 05:42:43,142 INFO L226 Difference]: Without dead ends: 159340 [2018-07-22 05:42:43,170 INFO L578 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 [2018-07-22 05:42:43,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159340 states. [2018-07-22 05:42:44,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159340 to 157839. [2018-07-22 05:42:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157839 states. [2018-07-22 05:42:44,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157839 states to 157839 states and 174575 transitions. [2018-07-22 05:42:44,491 INFO L78 Accepts]: Start accepts. Automaton has 157839 states and 174575 transitions. Word has length 918 [2018-07-22 05:42:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:42:44,493 INFO L471 AbstractCegarLoop]: Abstraction has 157839 states and 174575 transitions. [2018-07-22 05:42:44,493 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:42:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 157839 states and 174575 transitions. [2018-07-22 05:42:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2018-07-22 05:42:44,511 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:42:44,513 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:42:44,513 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:42:44,514 INFO L82 PathProgramCache]: Analyzing trace with hash -321532479, now seen corresponding path program 1 times [2018-07-22 05:42:44,514 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:42:44,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:42:44,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:42:44,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:42:44,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:42:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:42:45,460 WARN L169 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-07-22 05:42:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 423 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-07-22 05:42:50,275 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:42:50,275 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-22 05:42:50,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:42:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:42:50,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:42:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-07-22 05:42:51,580 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 05:42:51,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-07-22 05:42:51,582 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:42:51,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:42:51,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:42:51,583 INFO L87 Difference]: Start difference. First operand 157839 states and 174575 transitions. Second operand 5 states. [2018-07-22 05:43:11,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:43:11,113 INFO L93 Difference]: Finished difference Result 336171 states and 370152 transitions. [2018-07-22 05:43:11,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 05:43:11,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1001 [2018-07-22 05:43:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:43:11,446 INFO L225 Difference]: With dead ends: 336171 [2018-07-22 05:43:11,446 INFO L226 Difference]: Without dead ends: 175599 [2018-07-22 05:43:11,540 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 1001 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-07-22 05:43:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175599 states. [2018-07-22 05:43:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175599 to 172863. [2018-07-22 05:43:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172863 states. [2018-07-22 05:43:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172863 states to 172863 states and 183932 transitions. [2018-07-22 05:43:14,531 INFO L78 Accepts]: Start accepts. Automaton has 172863 states and 183932 transitions. Word has length 1001 [2018-07-22 05:43:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:43:14,531 INFO L471 AbstractCegarLoop]: Abstraction has 172863 states and 183932 transitions. [2018-07-22 05:43:14,531 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 05:43:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 172863 states and 183932 transitions. [2018-07-22 05:43:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2018-07-22 05:43:14,561 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:43:14,563 INFO L358 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:43:14,563 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:43:14,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1951446446, now seen corresponding path program 1 times [2018-07-22 05:43:14,564 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:43:14,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:43:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:43:14,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:43:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:43:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:43:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 839 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-07-22 05:43:16,589 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:43:16,589 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-22 05:43:16,590 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:43:16,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:43:16,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:43:16,590 INFO L87 Difference]: Start difference. First operand 172863 states and 183932 transitions. Second operand 5 states. [2018-07-22 05:43:34,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:43:34,801 INFO L93 Difference]: Finished difference Result 568552 states and 608071 transitions. [2018-07-22 05:43:34,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-22 05:43:34,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1124 [2018-07-22 05:43:34,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:43:35,218 INFO L225 Difference]: With dead ends: 568552 [2018-07-22 05:43:35,218 INFO L226 Difference]: Without dead ends: 397057 [2018-07-22 05:43:35,291 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:43:35,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397057 states. Received shutdown request... [2018-07-22 05:43:40,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397057 to 316292. [2018-07-22 05:43:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316292 states. [2018-07-22 05:43:40,054 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 05:43:40,059 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 05:43:40,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:43:40 BoogieIcfgContainer [2018-07-22 05:43:40,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 05:43:40,061 INFO L168 Benchmark]: Toolchain (without parser) took 224776.51 ms. Allocated memory was 309.3 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 228.5 MB in the beginning and 285.5 MB in the end (delta: -57.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 5.3 GB. [2018-07-22 05:43:40,061 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 05:43:40,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5003.24 ms. Allocated memory was 309.3 MB in the beginning and 401.1 MB in the end (delta: 91.8 MB). Free memory was 228.5 MB in the beginning and 140.9 MB in the end (delta: 87.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 5.3 GB. [2018-07-22 05:43:40,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 1978.12 ms. Allocated memory was 401.1 MB in the beginning and 691.0 MB in the end (delta: 289.9 MB). Free memory was 140.9 MB in the beginning and 413.8 MB in the end (delta: -272.8 MB). Peak memory consumption was 122.0 MB. Max. memory is 5.3 GB. [2018-07-22 05:43:40,063 INFO L168 Benchmark]: Boogie Preprocessor took 1000.89 ms. Allocated memory was 691.0 MB in the beginning and 886.0 MB in the end (delta: 195.0 MB). Free memory was 413.8 MB in the beginning and 593.3 MB in the end (delta: -179.6 MB). Peak memory consumption was 171.2 MB. Max. memory is 5.3 GB. [2018-07-22 05:43:40,064 INFO L168 Benchmark]: RCFGBuilder took 16095.03 ms. Allocated memory was 886.0 MB in the beginning and 1.1 GB in the end (delta: 226.0 MB). Free memory was 593.3 MB in the beginning and 364.9 MB in the end (delta: 228.4 MB). Peak memory consumption was 555.1 MB. Max. memory is 5.3 GB. [2018-07-22 05:43:40,064 INFO L168 Benchmark]: TraceAbstraction took 200687.73 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 963.6 MB). Free memory was 364.9 MB in the beginning and 285.5 MB in the end (delta: 79.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-07-22 05:43:40,067 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 5003.24 ms. Allocated memory was 309.3 MB in the beginning and 401.1 MB in the end (delta: 91.8 MB). Free memory was 228.5 MB in the beginning and 140.9 MB in the end (delta: 87.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1978.12 ms. Allocated memory was 401.1 MB in the beginning and 691.0 MB in the end (delta: 289.9 MB). Free memory was 140.9 MB in the beginning and 413.8 MB in the end (delta: -272.8 MB). Peak memory consumption was 122.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 1000.89 ms. Allocated memory was 691.0 MB in the beginning and 886.0 MB in the end (delta: 195.0 MB). Free memory was 413.8 MB in the beginning and 593.3 MB in the end (delta: -179.6 MB). Peak memory consumption was 171.2 MB. Max. memory is 5.3 GB. * RCFGBuilder took 16095.03 ms. Allocated memory was 886.0 MB in the beginning and 1.1 GB in the end (delta: 226.0 MB). Free memory was 593.3 MB in the beginning and 364.9 MB in the end (delta: 228.4 MB). Peak memory consumption was 555.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 200687.73 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 963.6 MB). Free memory was 364.9 MB in the beginning and 285.5 MB in the end (delta: 79.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 76). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 200.5s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 170.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17029 SDtfs, 41670 SDslu, 10440 SDs, 0 SdLazy, 98826 SolverSat, 21597 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 142.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1060 GetRequests, 1014 SyntacticMatches, 11 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172863occurred in iteration=9, 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: 12.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 71284 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 6262 NumberOfCodeBlocks, 6262 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 6251 ConstructedInterpolants, 0 QuantifiedInterpolants, 16770158 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1132 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 3597/3601 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label50_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_05-43-40-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label50_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_05-43-40-080.csv Completed graceful shutdown