java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:00:02,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:00:02,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:00:02,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:00:02,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:00:02,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:00:02,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:00:02,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:00:02,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:00:02,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:00:02,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:00:02,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:00:02,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:00:02,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:00:02,089 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:00:02,090 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:00:02,091 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:00:02,093 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:00:02,095 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:00:02,096 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:00:02,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:00:02,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:00:02,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 22:00:02,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 22:00:02,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 22:00:02,102 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 22:00:02,103 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 22:00:02,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 22:00:02,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 22:00:02,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 22:00:02,106 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 22:00:02,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 22:00:02,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 22:00:02,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 22:00:02,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 22:00:02,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 22:00:02,109 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:00:02,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:00:02,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:00:02,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:00:02,125 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:00:02,126 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:00:02,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:00:02,126 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:00:02,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:00:02,127 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:00:02,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:00:02,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:00:02,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:00:02,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:00:02,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:00:02,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:00:02,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:00:02,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:00:02,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:00:02,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:00:02,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:00:02,129 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:00:02,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:00:02,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:00:02,130 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:00:02,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:00:02,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:00:02,130 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:00:02,130 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:00:02,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:00:02,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:00:02,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:00:02,193 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:00:02,193 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:00:02,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-11-06 22:00:02,257 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849f62a02/b114858764294ce2b70442ccbfba47a0/FLAG0d83688e5 [2018-11-06 22:00:03,213 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:00:03,216 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-11-06 22:00:03,270 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849f62a02/b114858764294ce2b70442ccbfba47a0/FLAG0d83688e5 [2018-11-06 22:00:03,286 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849f62a02/b114858764294ce2b70442ccbfba47a0 [2018-11-06 22:00:03,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:00:03,301 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:00:03,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:00:03,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:00:03,307 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:00:03,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:03" (1/1) ... [2018-11-06 22:00:03,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae48c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:03, skipping insertion in model container [2018-11-06 22:00:03,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:03" (1/1) ... [2018-11-06 22:00:03,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:00:03,585 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:00:05,623 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:00:05,628 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:00:06,881 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:00:06,939 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:00:06,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06 WrapperNode [2018-11-06 22:00:06,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:00:06,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:00:06,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:00:06,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:00:06,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:07,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:07,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:00:07,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:00:07,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:00:07,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:00:07,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:07,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:08,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:08,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:08,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:08,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:08,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... [2018-11-06 22:00:08,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:00:08,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:00:08,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:00:08,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:00:08,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:00:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 22:00:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:00:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:00:25,004 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:00:25,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:25 BoogieIcfgContainer [2018-11-06 22:00:25,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:00:25,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:00:25,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:00:25,009 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:00:25,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:00:03" (1/3) ... [2018-11-06 22:00:25,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d72469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:25, skipping insertion in model container [2018-11-06 22:00:25,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:06" (2/3) ... [2018-11-06 22:00:25,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d72469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:25, skipping insertion in model container [2018-11-06 22:00:25,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:25" (3/3) ... [2018-11-06 22:00:25,014 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label33_true-unreach-call.c [2018-11-06 22:00:25,024 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:00:25,034 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:00:25,052 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:00:25,119 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:00:25,120 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:00:25,120 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:00:25,120 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:00:25,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:00:25,121 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:00:25,121 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:00:25,121 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:00:25,121 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:00:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-11-06 22:00:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-06 22:00:25,181 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:00:25,183 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:00:25,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:00:25,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:00:25,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1057203130, now seen corresponding path program 1 times [2018-11-06 22:00:25,197 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:00:25,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:00:25,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:00:25,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:00:25,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:00:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:00:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:00:25,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:00:25,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 22:00:25,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 22:00:25,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 22:00:25,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:00:25,673 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-11-06 22:00:45,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:00:45,384 INFO L93 Difference]: Finished difference Result 6431 states and 12286 transitions. [2018-11-06 22:00:45,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:00:45,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-06 22:00:45,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:00:45,446 INFO L225 Difference]: With dead ends: 6431 [2018-11-06 22:00:45,446 INFO L226 Difference]: Without dead ends: 4675 [2018-11-06 22:00:45,455 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:00:45,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4675 states. [2018-11-06 22:00:45,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4675 to 4581. [2018-11-06 22:00:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4581 states. [2018-11-06 22:00:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 7890 transitions. [2018-11-06 22:00:45,698 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 7890 transitions. Word has length 42 [2018-11-06 22:00:45,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:00:45,699 INFO L480 AbstractCegarLoop]: Abstraction has 4581 states and 7890 transitions. [2018-11-06 22:00:45,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 22:00:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 7890 transitions. [2018-11-06 22:00:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-06 22:00:45,709 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:00:45,711 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:00:45,711 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:00:45,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:00:45,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1276789285, now seen corresponding path program 1 times [2018-11-06 22:00:45,712 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:00:45,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:00:45,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:00:45,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:00:45,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:00:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:00:46,118 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-06 22:00:46,651 WARN L179 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-11-06 22:00:46,967 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-11-06 22:00:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:00:47,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:00:47,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 22:00:47,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 22:00:47,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 22:00:47,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-06 22:00:47,326 INFO L87 Difference]: Start difference. First operand 4581 states and 7890 transitions. Second operand 6 states. [2018-11-06 22:01:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:01:13,910 INFO L93 Difference]: Finished difference Result 17384 states and 28714 transitions. [2018-11-06 22:01:13,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-06 22:01:13,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-11-06 22:01:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:01:13,978 INFO L225 Difference]: With dead ends: 17384 [2018-11-06 22:01:13,978 INFO L226 Difference]: Without dead ends: 12805 [2018-11-06 22:01:13,987 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-11-06 22:01:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12805 states. [2018-11-06 22:01:14,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12805 to 11430. [2018-11-06 22:01:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11430 states. [2018-11-06 22:01:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11430 states to 11430 states and 17329 transitions. [2018-11-06 22:01:14,237 INFO L78 Accepts]: Start accepts. Automaton has 11430 states and 17329 transitions. Word has length 114 [2018-11-06 22:01:14,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:01:14,238 INFO L480 AbstractCegarLoop]: Abstraction has 11430 states and 17329 transitions. [2018-11-06 22:01:14,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 22:01:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 11430 states and 17329 transitions. [2018-11-06 22:01:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-11-06 22:01:14,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:01:14,258 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 22:01:14,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:01:14,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:01:14,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1955426926, now seen corresponding path program 1 times [2018-11-06 22:01:14,260 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:01:14,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:01:14,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:01:14,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:01:14,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:01:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:01:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-06 22:01:15,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:01:15,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-06 22:01:15,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 22:01:15,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 22:01:15,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:01:15,267 INFO L87 Difference]: Start difference. First operand 11430 states and 17329 transitions. Second operand 7 states. [2018-11-06 22:01:48,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:01:48,478 INFO L93 Difference]: Finished difference Result 35166 states and 54823 transitions. [2018-11-06 22:01:48,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 22:01:48,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 338 [2018-11-06 22:01:48,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:01:48,548 INFO L225 Difference]: With dead ends: 35166 [2018-11-06 22:01:48,548 INFO L226 Difference]: Without dead ends: 23738 [2018-11-06 22:01:48,563 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-11-06 22:01:48,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23738 states. [2018-11-06 22:01:48,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23738 to 19636. [2018-11-06 22:01:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19636 states. [2018-11-06 22:01:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19636 states to 19636 states and 26064 transitions. [2018-11-06 22:01:48,864 INFO L78 Accepts]: Start accepts. Automaton has 19636 states and 26064 transitions. Word has length 338 [2018-11-06 22:01:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:01:48,865 INFO L480 AbstractCegarLoop]: Abstraction has 19636 states and 26064 transitions. [2018-11-06 22:01:48,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 22:01:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 19636 states and 26064 transitions. [2018-11-06 22:01:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-06 22:01:48,873 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:01:48,874 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 22:01:48,874 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:01:48,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:01:48,877 INFO L82 PathProgramCache]: Analyzing trace with hash 315069064, now seen corresponding path program 1 times [2018-11-06 22:01:48,877 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:01:48,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:01:48,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:01:48,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:01:48,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:01:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:01:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 79 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-06 22:01:49,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:01:49,422 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:01:49,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:01:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:01:49,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:01:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:01:49,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:01:49,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-11-06 22:01:49,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:01:49,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:01:49,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:01:49,830 INFO L87 Difference]: Start difference. First operand 19636 states and 26064 transitions. Second operand 5 states. [2018-11-06 22:02:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:02:20,515 INFO L93 Difference]: Finished difference Result 103731 states and 147636 transitions. [2018-11-06 22:02:20,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 22:02:20,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 366 [2018-11-06 22:02:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:02:20,664 INFO L225 Difference]: With dead ends: 103731 [2018-11-06 22:02:20,664 INFO L226 Difference]: Without dead ends: 85463 [2018-11-06 22:02:20,700 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:02:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85463 states. [2018-11-06 22:02:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85463 to 55148. [2018-11-06 22:02:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55148 states. [2018-11-06 22:02:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55148 states to 55148 states and 69979 transitions. [2018-11-06 22:02:21,798 INFO L78 Accepts]: Start accepts. Automaton has 55148 states and 69979 transitions. Word has length 366 [2018-11-06 22:02:21,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:02:21,799 INFO L480 AbstractCegarLoop]: Abstraction has 55148 states and 69979 transitions. [2018-11-06 22:02:21,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:02:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 55148 states and 69979 transitions. [2018-11-06 22:02:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-11-06 22:02:21,811 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:02:21,812 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 22:02:21,812 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:02:21,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:02:21,813 INFO L82 PathProgramCache]: Analyzing trace with hash 654754231, now seen corresponding path program 1 times [2018-11-06 22:02:21,813 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:02:21,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:02:21,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:02:21,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:02:21,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:02:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:02:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 79 proven. 65 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-11-06 22:02:22,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:02:22,572 INFO L225 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 [2018-11-06 22:02:22,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:02:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:02:22,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:02:22,957 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-06 22:02:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-06 22:02:23,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:02:23,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-11-06 22:02:23,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:02:23,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:02:23,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:02:23,557 INFO L87 Difference]: Start difference. First operand 55148 states and 69979 transitions. Second operand 5 states. [2018-11-06 22:02:49,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:02:49,424 INFO L93 Difference]: Finished difference Result 191169 states and 248132 transitions. [2018-11-06 22:02:49,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-06 22:02:49,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 481 [2018-11-06 22:02:49,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:02:49,590 INFO L225 Difference]: With dead ends: 191169 [2018-11-06 22:02:49,591 INFO L226 Difference]: Without dead ends: 134655 [2018-11-06 22:02:49,650 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-06 22:02:49,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134655 states. [2018-11-06 22:02:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134655 to 131903. [2018-11-06 22:02:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131903 states. [2018-11-06 22:02:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131903 states to 131903 states and 148357 transitions. [2018-11-06 22:02:51,173 INFO L78 Accepts]: Start accepts. Automaton has 131903 states and 148357 transitions. Word has length 481 [2018-11-06 22:02:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:02:51,174 INFO L480 AbstractCegarLoop]: Abstraction has 131903 states and 148357 transitions. [2018-11-06 22:02:51,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:02:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 131903 states and 148357 transitions. [2018-11-06 22:02:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2018-11-06 22:02:51,221 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:02:51,222 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:02:51,222 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:02:51,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:02:51,223 INFO L82 PathProgramCache]: Analyzing trace with hash 983281641, now seen corresponding path program 1 times [2018-11-06 22:02:51,223 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:02:51,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:02:51,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:02:51,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:02:51,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:02:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:02:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 532 proven. 72 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-06 22:02:53,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:02:53,059 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:02:53,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:02:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:02:53,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:02:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-06 22:02:54,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:02:54,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-06 22:02:54,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:02:54,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:02:54,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:02:54,208 INFO L87 Difference]: Start difference. First operand 131903 states and 148357 transitions. Second operand 5 states. [2018-11-06 22:03:07,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:03:07,123 INFO L93 Difference]: Finished difference Result 319814 states and 363492 transitions. [2018-11-06 22:03:07,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:03:07,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 902 [2018-11-06 22:03:07,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:03:07,370 INFO L225 Difference]: With dead ends: 319814 [2018-11-06 22:03:07,370 INFO L226 Difference]: Without dead ends: 189279 [2018-11-06 22:03:07,477 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 905 GetRequests, 901 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:03:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189279 states. [2018-11-06 22:03:09,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189279 to 187905. [2018-11-06 22:03:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187905 states. [2018-11-06 22:03:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187905 states to 187905 states and 208602 transitions. [2018-11-06 22:03:09,768 INFO L78 Accepts]: Start accepts. Automaton has 187905 states and 208602 transitions. Word has length 902 [2018-11-06 22:03:09,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:03:09,769 INFO L480 AbstractCegarLoop]: Abstraction has 187905 states and 208602 transitions. [2018-11-06 22:03:09,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:03:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 187905 states and 208602 transitions. [2018-11-06 22:03:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2018-11-06 22:03:09,828 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:03:09,829 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2018-11-06 22:03:09,829 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:03:09,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:03:09,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1456616466, now seen corresponding path program 1 times [2018-11-06 22:03:09,830 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:03:09,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:03:09,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:03:09,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:03:09,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:03:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:03:11,164 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-11-06 22:03:11,446 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2018-11-06 22:03:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 370 proven. 285 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-11-06 22:03:14,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:03:14,066 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:03:14,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:03:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:03:14,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:03:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 998 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-06 22:03:16,934 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:03:16,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2018-11-06 22:03:16,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 22:03:16,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 22:03:16,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-06 22:03:16,938 INFO L87 Difference]: Start difference. First operand 187905 states and 208602 transitions. Second operand 9 states. Received shutdown request... [2018-11-06 22:03:56,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-06 22:03:56,010 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 22:03:56,016 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 22:03:56,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:56 BoogieIcfgContainer [2018-11-06 22:03:56,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:03:56,018 INFO L168 Benchmark]: Toolchain (without parser) took 232718.16 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -150.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-06 22:03:56,019 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:03:56,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3638.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.9 MB). Peak memory consumption was 391.9 MB. Max. memory is 7.1 GB. [2018-11-06 22:03:56,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 981.70 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 865.1 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2018-11-06 22:03:56,021 INFO L168 Benchmark]: Boogie Preprocessor took 761.71 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. [2018-11-06 22:03:56,022 INFO L168 Benchmark]: RCFGBuilder took 16319.93 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 302.5 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -385.8 MB). Peak memory consumption was 835.0 MB. Max. memory is 7.1 GB. [2018-11-06 22:03:56,023 INFO L168 Benchmark]: TraceAbstraction took 211010.80 ms. Allocated memory was 2.7 GB in the beginning and 3.8 GB in the end (delta: 1.1 GB). Free memory was 2.4 GB in the beginning and 1.6 GB in the end (delta: 881.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-06 22:03:56,028 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 3638.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.9 MB). Peak memory consumption was 391.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 981.70 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 865.1 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 761.71 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16319.93 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 302.5 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -385.8 MB). Peak memory consumption was 835.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211010.80 ms. Allocated memory was 2.7 GB in the beginning and 3.8 GB in the end (delta: 1.1 GB). Free memory was 2.4 GB in the beginning and 1.6 GB in the end (delta: 881.0 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: 139]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 139). Cancelled while BasicCegarLoop was constructing difference of abstraction (187905states) and FLOYD_HOARE automaton (currently 21 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (278120 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 210.9s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 189.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7042 SDtfs, 57557 SDslu, 4396 SDs, 0 SdLazy, 111274 SolverSat, 27054 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 154.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2941 GetRequests, 2885 SyntacticMatches, 8 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187905occurred 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: 5.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 40012 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 6240 NumberOfCodeBlocks, 6240 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 6229 ConstructedInterpolants, 0 QuantifiedInterpolants, 22699439 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3368 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 4434/4897 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown