java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:05:54,901 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:05:54,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:05:54,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:05:54,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:05:54,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:05:54,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:05:54,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:05:54,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:05:54,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:05:54,924 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:05:54,924 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:05:54,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:05:54,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:05:54,927 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:05:54,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:05:54,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:05:54,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:05:54,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:05:54,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:05:54,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:05:54,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:05:54,944 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-26 22:05:54,958 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 22:05:54,986 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:05:54,987 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:05:54,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:05:54,988 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:05:54,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:05:54,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:05:54,989 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:05:54,989 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:05:54,989 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:05:54,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:05:54,990 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:05:54,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:05:54,991 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:05:54,991 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:05:54,991 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:05:54,991 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:05:54,992 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:05:54,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:05:54,992 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:05:54,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:05:54,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:05:54,994 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:05:54,994 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:05:54,994 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:05:54,994 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:05:54,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:05:54,995 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:05:54,995 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:05:55,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:05:55,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:05:55,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:05:55,070 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:05:55,071 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:05:55,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c [2018-10-26 22:05:55,145 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/58c68a6c1/de9ca1e7cd4642c1ab1f8649f4e0ec35/FLAG607a40de3 [2018-10-26 22:05:56,048 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:05:56,049 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label01_true-unreach-call.c [2018-10-26 22:05:56,094 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/58c68a6c1/de9ca1e7cd4642c1ab1f8649f4e0ec35/FLAG607a40de3 [2018-10-26 22:05:56,110 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/58c68a6c1/de9ca1e7cd4642c1ab1f8649f4e0ec35 [2018-10-26 22:05:56,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:05:56,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:05:56,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:56,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:05:56,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:05:56,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:56" (1/1) ... [2018-10-26 22:05:56,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46764b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:56, skipping insertion in model container [2018-10-26 22:05:56,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:05:56" (1/1) ... [2018-10-26 22:05:56,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:05:56,390 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:05:58,315 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:58,319 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:05:59,494 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:05:59,552 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:05:59,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59 WrapperNode [2018-10-26 22:05:59,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:05:59,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:05:59,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:05:59,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:05:59,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:05:59,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:00,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:06:00,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:06:00,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:06:00,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:06:00,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:00,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:00,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:00,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:01,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:01,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:01,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... [2018-10-26 22:06:01,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:06:01,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:06:01,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:06:01,352 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:06:01,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:06:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:06:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:06:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:06:18,738 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:06:18,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:06:18 BoogieIcfgContainer [2018-10-26 22:06:18,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:06:18,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:06:18,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:06:18,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:06:18,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:05:56" (1/3) ... [2018-10-26 22:06:18,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:06:18, skipping insertion in model container [2018-10-26 22:06:18,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:05:59" (2/3) ... [2018-10-26 22:06:18,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:06:18, skipping insertion in model container [2018-10-26 22:06:18,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:06:18" (3/3) ... [2018-10-26 22:06:18,748 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label01_true-unreach-call.c [2018-10-26 22:06:18,759 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:06:18,769 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:06:18,788 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:06:18,847 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:06:18,848 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:06:18,848 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:06:18,849 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:06:18,849 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:06:18,849 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:06:18,849 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:06:18,849 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:06:18,849 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:06:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-26 22:06:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 22:06:18,915 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:06:18,916 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:06:18,919 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:06:18,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:06:18,925 INFO L82 PathProgramCache]: Analyzing trace with hash -344880110, now seen corresponding path program 1 times [2018-10-26 22:06:18,926 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:06:18,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:06:18,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:18,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:06:18,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:06:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:06:19,864 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-10-26 22:06:20,621 WARN L179 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-10-26 22:06:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:06:20,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:06:20,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:06:20,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:06:20,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:06:20,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:06:20,872 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 6 states. [2018-10-26 22:06:21,100 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-26 22:07:04,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:07:04,856 INFO L93 Difference]: Finished difference Result 9027 states and 17501 transitions. [2018-10-26 22:07:04,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:07:04,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-10-26 22:07:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:07:04,934 INFO L225 Difference]: With dead ends: 9027 [2018-10-26 22:07:04,935 INFO L226 Difference]: Without dead ends: 7265 [2018-10-26 22:07:04,945 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:07:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2018-10-26 22:07:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 5894. [2018-10-26 22:07:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5894 states. [2018-10-26 22:07:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 8531 transitions. [2018-10-26 22:07:05,191 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 8531 transitions. Word has length 64 [2018-10-26 22:07:05,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:07:05,192 INFO L481 AbstractCegarLoop]: Abstraction has 5894 states and 8531 transitions. [2018-10-26 22:07:05,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:07:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 8531 transitions. [2018-10-26 22:07:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-26 22:07:05,209 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:07:05,210 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:07:05,210 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:07:05,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:07:05,214 INFO L82 PathProgramCache]: Analyzing trace with hash -2065591983, now seen corresponding path program 1 times [2018-10-26 22:07:05,214 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:07:05,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:07:05,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:07:05,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:07:05,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:07:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:06,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:07:06,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:07:06,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:07:06,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:07:06,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:07:06,210 INFO L87 Difference]: Start difference. First operand 5894 states and 8531 transitions. Second operand 7 states. [2018-10-26 22:07:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:07:44,424 INFO L93 Difference]: Finished difference Result 19998 states and 30777 transitions. [2018-10-26 22:07:44,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:07:44,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2018-10-26 22:07:44,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:07:44,485 INFO L225 Difference]: With dead ends: 19998 [2018-10-26 22:07:44,485 INFO L226 Difference]: Without dead ends: 14106 [2018-10-26 22:07:44,494 INFO L605 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 [2018-10-26 22:07:44,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14106 states. [2018-10-26 22:07:44,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14106 to 11371. [2018-10-26 22:07:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11371 states. [2018-10-26 22:07:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11371 states to 11371 states and 14248 transitions. [2018-10-26 22:07:44,697 INFO L78 Accepts]: Start accepts. Automaton has 11371 states and 14248 transitions. Word has length 272 [2018-10-26 22:07:44,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:07:44,701 INFO L481 AbstractCegarLoop]: Abstraction has 11371 states and 14248 transitions. [2018-10-26 22:07:44,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:07:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 11371 states and 14248 transitions. [2018-10-26 22:07:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-26 22:07:44,711 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:07:44,711 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:07:44,712 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:07:44,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:07:44,712 INFO L82 PathProgramCache]: Analyzing trace with hash 378048491, now seen corresponding path program 1 times [2018-10-26 22:07:44,712 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:07:44,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:07:44,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:07:44,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:07:44,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:07:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:07:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:07:45,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:07:45,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:07:45,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:07:45,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:07:45,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:07:45,166 INFO L87 Difference]: Start difference. First operand 11371 states and 14248 transitions. Second operand 4 states. [2018-10-26 22:08:04,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:08:04,305 INFO L93 Difference]: Finished difference Result 29726 states and 40703 transitions. [2018-10-26 22:08:04,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:08:04,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 300 [2018-10-26 22:08:04,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:08:04,364 INFO L225 Difference]: With dead ends: 29726 [2018-10-26 22:08:04,364 INFO L226 Difference]: Without dead ends: 16990 [2018-10-26 22:08:04,378 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:08:04,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16990 states. [2018-10-26 22:08:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16990 to 16899. [2018-10-26 22:08:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16899 states. [2018-10-26 22:08:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16899 states to 16899 states and 23134 transitions. [2018-10-26 22:08:04,639 INFO L78 Accepts]: Start accepts. Automaton has 16899 states and 23134 transitions. Word has length 300 [2018-10-26 22:08:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:08:04,640 INFO L481 AbstractCegarLoop]: Abstraction has 16899 states and 23134 transitions. [2018-10-26 22:08:04,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:08:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 16899 states and 23134 transitions. [2018-10-26 22:08:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-10-26 22:08:04,650 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:08:04,650 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:08:04,651 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:08:04,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:08:04,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1965923475, now seen corresponding path program 1 times [2018-10-26 22:08:04,653 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:08:04,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:08:04,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:08:04,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:08:04,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:08:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 123 proven. 4 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 22:08:05,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:08:05,503 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:08:05,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:08:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:05,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:08:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:08:05,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:08:05,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-26 22:08:05,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:08:05,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:08:05,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:08:05,918 INFO L87 Difference]: Start difference. First operand 16899 states and 23134 transitions. Second operand 4 states. [2018-10-26 22:08:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:08:28,991 INFO L93 Difference]: Finished difference Result 58616 states and 83259 transitions. [2018-10-26 22:08:28,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:08:28,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 406 [2018-10-26 22:08:28,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:08:29,081 INFO L225 Difference]: With dead ends: 58616 [2018-10-26 22:08:29,081 INFO L226 Difference]: Without dead ends: 43085 [2018-10-26 22:08:29,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:08:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43085 states. [2018-10-26 22:08:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43085 to 27823. [2018-10-26 22:08:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27823 states. [2018-10-26 22:08:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27823 states to 27823 states and 38990 transitions. [2018-10-26 22:08:29,716 INFO L78 Accepts]: Start accepts. Automaton has 27823 states and 38990 transitions. Word has length 406 [2018-10-26 22:08:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:08:29,717 INFO L481 AbstractCegarLoop]: Abstraction has 27823 states and 38990 transitions. [2018-10-26 22:08:29,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:08:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27823 states and 38990 transitions. [2018-10-26 22:08:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2018-10-26 22:08:29,729 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:08:29,730 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:08:29,730 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:08:29,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:08:29,731 INFO L82 PathProgramCache]: Analyzing trace with hash -686471672, now seen corresponding path program 1 times [2018-10-26 22:08:29,731 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:08:29,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:08:29,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:08:29,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:08:29,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:08:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 316 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-26 22:08:30,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:08:30,466 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:08:30,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:08:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:08:30,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:08:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-26 22:08:31,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:08:31,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-26 22:08:31,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:08:31,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:08:31,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:08:31,109 INFO L87 Difference]: Start difference. First operand 27823 states and 38990 transitions. Second operand 5 states. [2018-10-26 22:09:09,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:09,306 INFO L93 Difference]: Finished difference Result 143178 states and 214449 transitions. [2018-10-26 22:09:09,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:09:09,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 494 [2018-10-26 22:09:09,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:09,470 INFO L225 Difference]: With dead ends: 143178 [2018-10-26 22:09:09,471 INFO L226 Difference]: Without dead ends: 116723 [2018-10-26 22:09:09,503 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:09:09,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116723 states. [2018-10-26 22:09:10,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116723 to 113941. [2018-10-26 22:09:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113941 states. [2018-10-26 22:09:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113941 states to 113941 states and 141288 transitions. [2018-10-26 22:09:10,795 INFO L78 Accepts]: Start accepts. Automaton has 113941 states and 141288 transitions. Word has length 494 [2018-10-26 22:09:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:10,796 INFO L481 AbstractCegarLoop]: Abstraction has 113941 states and 141288 transitions. [2018-10-26 22:09:10,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:09:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 113941 states and 141288 transitions. [2018-10-26 22:09:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2018-10-26 22:09:10,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:10,820 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:09:10,820 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:10,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:10,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1710028180, now seen corresponding path program 1 times [2018-10-26 22:09:10,821 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:09:10,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:09:10,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:10,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:10,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 490 proven. 4 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-10-26 22:09:12,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:09:12,084 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:09:12,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:12,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-10-26 22:09:13,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:09:13,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-26 22:09:13,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:09:13,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:09:13,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:09:13,094 INFO L87 Difference]: Start difference. First operand 113941 states and 141288 transitions. Second operand 5 states. [2018-10-26 22:09:34,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:34,791 INFO L93 Difference]: Finished difference Result 240176 states and 295497 transitions. [2018-10-26 22:09:34,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:09:34,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 681 [2018-10-26 22:09:34,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:34,956 INFO L225 Difference]: With dead ends: 240176 [2018-10-26 22:09:34,956 INFO L226 Difference]: Without dead ends: 123502 [2018-10-26 22:09:35,024 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 681 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:09:35,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123502 states. [2018-10-26 22:09:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123502 to 112562. [2018-10-26 22:09:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112562 states. [2018-10-26 22:09:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112562 states to 112562 states and 130050 transitions. [2018-10-26 22:09:36,037 INFO L78 Accepts]: Start accepts. Automaton has 112562 states and 130050 transitions. Word has length 681 [2018-10-26 22:09:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:36,038 INFO L481 AbstractCegarLoop]: Abstraction has 112562 states and 130050 transitions. [2018-10-26 22:09:36,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:09:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 112562 states and 130050 transitions. [2018-10-26 22:09:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2018-10-26 22:09:36,072 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:36,073 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:09:36,073 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:36,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash -178452482, now seen corresponding path program 1 times [2018-10-26 22:09:36,074 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:09:36,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:09:36,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:36,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:36,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 318 proven. 72 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-10-26 22:09:37,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:09:37,696 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:09:37,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:37,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-10-26 22:09:38,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:09:38,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-10-26 22:09:38,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:09:38,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:09:38,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:09:38,498 INFO L87 Difference]: Start difference. First operand 112562 states and 130050 transitions. Second operand 5 states. [2018-10-26 22:09:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:52,963 INFO L93 Difference]: Finished difference Result 286595 states and 331831 transitions. [2018-10-26 22:09:52,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:09:52,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 884 [2018-10-26 22:09:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:53,193 INFO L225 Difference]: With dead ends: 286595 [2018-10-26 22:09:53,193 INFO L226 Difference]: Without dead ends: 175401 [2018-10-26 22:09:53,273 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 883 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:09:53,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175401 states. Received shutdown request... [2018-10-26 22:09:55,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175401 to 171295. [2018-10-26 22:09:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171295 states. [2018-10-26 22:09:55,862 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 22:09:55,867 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 22:09:55,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:09:55 BoogieIcfgContainer [2018-10-26 22:09:55,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:09:55,869 INFO L168 Benchmark]: Toolchain (without parser) took 239746.67 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-26 22:09:55,870 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:09:55,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3428.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 977.8 MB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-10-26 22:09:55,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 1092.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 843.1 MB). Free memory was 977.8 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2018-10-26 22:09:55,875 INFO L168 Benchmark]: Boogie Preprocessor took 705.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2018-10-26 22:09:55,876 INFO L168 Benchmark]: RCFGBuilder took 17388.04 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 256.9 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 528.7 MB). Peak memory consumption was 785.6 MB. Max. memory is 7.1 GB. [2018-10-26 22:09:55,877 INFO L168 Benchmark]: TraceAbstraction took 217127.41 ms. Allocated memory was 2.6 GB in the beginning and 4.0 GB in the end (delta: 1.4 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-26 22:09:55,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3428.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 977.8 MB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1092.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 843.1 MB). Free memory was 977.8 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 705.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17388.04 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 256.9 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 528.7 MB). Peak memory consumption was 785.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217127.41 ms. Allocated memory was 2.6 GB in the beginning and 4.0 GB in the end (delta: 1.4 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 205]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 205). Cancelled while 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, 217.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 199.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8443 SDtfs, 45048 SDslu, 3443 SDs, 0 SdLazy, 91538 SolverSat, 23324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2507 GetRequests, 2469 SyntacticMatches, 8 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113941occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 33181 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 5566 NumberOfCodeBlocks, 5566 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 5555 ConstructedInterpolants, 0 QuantifiedInterpolants, 11758730 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2905 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 4115/4200 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown