./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e89048ccdb20a97a14cb213e125edb5cbe6d123 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 19:45:01,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:45:01,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:45:01,737 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:45:01,738 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:45:01,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:45:01,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:45:01,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:45:01,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:45:01,745 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:45:01,746 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:45:01,746 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:45:01,747 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:45:01,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:45:01,750 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:45:01,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:45:01,751 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:45:01,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:45:01,757 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:45:01,759 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:45:01,760 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:45:01,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:45:01,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:45:01,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:45:01,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:45:01,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:45:01,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:45:01,778 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:45:01,779 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:45:01,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:45:01,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:45:01,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:45:01,785 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:45:01,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:45:01,789 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:45:01,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:45:01,790 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:45:01,812 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:45:01,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:45:01,815 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:45:01,816 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:45:01,816 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:45:01,817 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:45:01,817 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:45:01,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:45:01,818 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:45:01,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:45:01,818 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:45:01,819 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:45:01,819 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:45:01,819 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:45:01,819 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:45:01,820 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:45:01,820 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:45:01,820 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:45:01,820 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:45:01,820 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:45:01,820 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:45:01,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:45:01,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:45:01,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:45:01,824 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:45:01,824 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:45:01,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:45:01,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:45:01,824 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e89048ccdb20a97a14cb213e125edb5cbe6d123 [2018-12-30 19:45:01,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:45:01,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:45:01,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:45:01,889 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:45:01,889 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:45:01,890 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c [2018-12-30 19:45:01,956 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744f8f8f6/3e89c60f41d3427180c9e5cad173b90d/FLAG42d189029 [2018-12-30 19:45:02,499 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:45:02,504 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label39_true-unreach-call_false-termination.c [2018-12-30 19:45:02,520 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744f8f8f6/3e89c60f41d3427180c9e5cad173b90d/FLAG42d189029 [2018-12-30 19:45:02,754 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/744f8f8f6/3e89c60f41d3427180c9e5cad173b90d [2018-12-30 19:45:02,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:45:02,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:45:02,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:45:02,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:45:02,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:45:02,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:45:02" (1/1) ... [2018-12-30 19:45:02,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbc90c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:02, skipping insertion in model container [2018-12-30 19:45:02,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:45:02" (1/1) ... [2018-12-30 19:45:02,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:45:02,841 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:45:03,327 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:45:03,333 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:45:03,452 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:45:03,480 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:45:03,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03 WrapperNode [2018-12-30 19:45:03,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:45:03,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:45:03,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:45:03,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:45:03,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:45:03,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:45:03,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:45:03,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:45:03,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (1/1) ... [2018-12-30 19:45:03,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:45:03,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:45:03,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:45:03,754 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:45:03,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (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 [2018-12-30 19:45:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:45:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:45:07,327 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:45:07,328 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:45:07,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:45:07 BoogieIcfgContainer [2018-12-30 19:45:07,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:45:07,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:45:07,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:45:07,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:45:07,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:45:02" (1/3) ... [2018-12-30 19:45:07,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75406cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:45:07, skipping insertion in model container [2018-12-30 19:45:07,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:45:03" (2/3) ... [2018-12-30 19:45:07,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75406cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:45:07, skipping insertion in model container [2018-12-30 19:45:07,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:45:07" (3/3) ... [2018-12-30 19:45:07,342 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label39_true-unreach-call_false-termination.c [2018-12-30 19:45:07,356 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:45:07,369 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:45:07,389 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:45:07,434 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:45:07,434 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:45:07,435 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:45:07,435 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:45:07,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:45:07,436 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:45:07,436 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:45:07,436 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:45:07,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:45:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2018-12-30 19:45:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-30 19:45:07,490 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:07,492 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:45:07,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:07,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:07,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1738135197, now seen corresponding path program 1 times [2018-12-30 19:45:07,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:07,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:07,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:07,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:07,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:08,173 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 19:45:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:08,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:08,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:08,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:08,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:08,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:08,244 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2018-12-30 19:45:11,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:11,153 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2018-12-30 19:45:11,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:11,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-12-30 19:45:11,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:11,176 INFO L225 Difference]: With dead ends: 775 [2018-12-30 19:45:11,176 INFO L226 Difference]: Without dead ends: 460 [2018-12-30 19:45:11,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-12-30 19:45:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2018-12-30 19:45:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-12-30 19:45:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2018-12-30 19:45:11,250 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 111 [2018-12-30 19:45:11,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:11,251 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2018-12-30 19:45:11,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2018-12-30 19:45:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-30 19:45:11,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:11,258 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:45:11,258 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:11,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:11,259 INFO L82 PathProgramCache]: Analyzing trace with hash -215551336, now seen corresponding path program 1 times [2018-12-30 19:45:11,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:11,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:11,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:11,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:11,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:11,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:11,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:45:11,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:11,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:11,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:11,472 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2018-12-30 19:45:12,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:12,660 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2018-12-30 19:45:12,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:12,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2018-12-30 19:45:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:12,673 INFO L225 Difference]: With dead ends: 1180 [2018-12-30 19:45:12,674 INFO L226 Difference]: Without dead ends: 874 [2018-12-30 19:45:12,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:12,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2018-12-30 19:45:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2018-12-30 19:45:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2018-12-30 19:45:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2018-12-30 19:45:12,745 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 115 [2018-12-30 19:45:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:12,746 INFO L480 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2018-12-30 19:45:12,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2018-12-30 19:45:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-30 19:45:12,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:12,754 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-30 19:45:12,754 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:12,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:12,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1793072302, now seen corresponding path program 1 times [2018-12-30 19:45:12,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:12,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:12,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:12,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:12,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-30 19:45:12,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:12,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:12,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:12,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:12,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:12,926 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2018-12-30 19:45:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:14,888 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2018-12-30 19:45:14,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:14,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-12-30 19:45:14,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:14,898 INFO L225 Difference]: With dead ends: 2146 [2018-12-30 19:45:14,898 INFO L226 Difference]: Without dead ends: 1278 [2018-12-30 19:45:14,900 INFO L631 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 [2018-12-30 19:45:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2018-12-30 19:45:14,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2018-12-30 19:45:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-12-30 19:45:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2018-12-30 19:45:14,926 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 121 [2018-12-30 19:45:14,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:14,927 INFO L480 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2018-12-30 19:45:14,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2018-12-30 19:45:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-30 19:45:14,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:14,930 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:45:14,930 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash 63576167, now seen corresponding path program 1 times [2018-12-30 19:45:14,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:14,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:14,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:14,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:14,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:15,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:15,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:45:15,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:45:15,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:45:15,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:15,032 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2018-12-30 19:45:16,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:16,434 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2018-12-30 19:45:16,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:16,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-12-30 19:45:16,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:16,442 INFO L225 Difference]: With dead ends: 1714 [2018-12-30 19:45:16,442 INFO L226 Difference]: Without dead ends: 1138 [2018-12-30 19:45:16,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:16,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2018-12-30 19:45:16,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2018-12-30 19:45:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2018-12-30 19:45:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2018-12-30 19:45:16,469 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 121 [2018-12-30 19:45:16,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:16,470 INFO L480 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2018-12-30 19:45:16,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:45:16,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2018-12-30 19:45:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-30 19:45:16,473 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:16,473 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:45:16,474 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:16,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:16,474 INFO L82 PathProgramCache]: Analyzing trace with hash 675657489, now seen corresponding path program 1 times [2018-12-30 19:45:16,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:16,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:16,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:16,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:16,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:16,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:16,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:16,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:16,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:16,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:16,576 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2018-12-30 19:45:17,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:17,624 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2018-12-30 19:45:17,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:17,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2018-12-30 19:45:17,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:17,631 INFO L225 Difference]: With dead ends: 2415 [2018-12-30 19:45:17,632 INFO L226 Difference]: Without dead ends: 1279 [2018-12-30 19:45:17,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2018-12-30 19:45:17,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2018-12-30 19:45:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2018-12-30 19:45:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2018-12-30 19:45:17,660 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 135 [2018-12-30 19:45:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:17,661 INFO L480 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2018-12-30 19:45:17,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2018-12-30 19:45:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-30 19:45:17,665 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:17,665 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-30 19:45:17,665 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:17,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:17,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1227064464, now seen corresponding path program 1 times [2018-12-30 19:45:17,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:17,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:17,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:17,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:17,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:17,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:17,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:45:17,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:45:17,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:45:17,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:17,757 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2018-12-30 19:45:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:18,700 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2018-12-30 19:45:18,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:18,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2018-12-30 19:45:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:18,710 INFO L225 Difference]: With dead ends: 3399 [2018-12-30 19:45:18,710 INFO L226 Difference]: Without dead ends: 1982 [2018-12-30 19:45:18,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:45:18,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2018-12-30 19:45:18,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1978. [2018-12-30 19:45:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2018-12-30 19:45:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2183 transitions. [2018-12-30 19:45:18,754 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2183 transitions. Word has length 144 [2018-12-30 19:45:18,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:18,754 INFO L480 AbstractCegarLoop]: Abstraction has 1978 states and 2183 transitions. [2018-12-30 19:45:18,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:45:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2183 transitions. [2018-12-30 19:45:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-30 19:45:18,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:18,761 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-12-30 19:45:18,761 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:18,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:18,762 INFO L82 PathProgramCache]: Analyzing trace with hash 404814437, now seen corresponding path program 1 times [2018-12-30 19:45:18,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:18,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:18,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:18,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:18,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:45:18,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:18,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:45:18,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:18,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:18,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:18,946 INFO L87 Difference]: Start difference. First operand 1978 states and 2183 transitions. Second operand 4 states. [2018-12-30 19:45:20,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:20,510 INFO L93 Difference]: Finished difference Result 4234 states and 4703 transitions. [2018-12-30 19:45:20,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:20,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2018-12-30 19:45:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:20,525 INFO L225 Difference]: With dead ends: 4234 [2018-12-30 19:45:20,525 INFO L226 Difference]: Without dead ends: 1836 [2018-12-30 19:45:20,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:20,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2018-12-30 19:45:20,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1836. [2018-12-30 19:45:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-12-30 19:45:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2009 transitions. [2018-12-30 19:45:20,575 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2009 transitions. Word has length 148 [2018-12-30 19:45:20,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:20,576 INFO L480 AbstractCegarLoop]: Abstraction has 1836 states and 2009 transitions. [2018-12-30 19:45:20,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2009 transitions. [2018-12-30 19:45:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-30 19:45:20,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:20,582 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:45:20,582 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:20,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1277248510, now seen corresponding path program 1 times [2018-12-30 19:45:20,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:20,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:20,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:20,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:20,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:20,865 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 19:45:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-30 19:45:20,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:20,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:45:20,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:20,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:20,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:20,961 INFO L87 Difference]: Start difference. First operand 1836 states and 2009 transitions. Second operand 4 states. [2018-12-30 19:45:21,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:21,933 INFO L93 Difference]: Finished difference Result 3672 states and 4027 transitions. [2018-12-30 19:45:21,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:45:21,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2018-12-30 19:45:21,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:21,940 INFO L225 Difference]: With dead ends: 3672 [2018-12-30 19:45:21,940 INFO L226 Difference]: Without dead ends: 1554 [2018-12-30 19:45:21,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:21,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-12-30 19:45:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1554. [2018-12-30 19:45:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1554 states. [2018-12-30 19:45:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1619 transitions. [2018-12-30 19:45:21,971 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1619 transitions. Word has length 158 [2018-12-30 19:45:21,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:21,972 INFO L480 AbstractCegarLoop]: Abstraction has 1554 states and 1619 transitions. [2018-12-30 19:45:21,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1619 transitions. [2018-12-30 19:45:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-30 19:45:21,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:21,978 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2018-12-30 19:45:21,978 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:21,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:21,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2146398300, now seen corresponding path program 1 times [2018-12-30 19:45:21,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:21,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:21,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:21,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:21,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-30 19:45:22,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:45:22,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:45:22,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:45:22,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:45:22,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:22,228 INFO L87 Difference]: Start difference. First operand 1554 states and 1619 transitions. Second operand 4 states. [2018-12-30 19:45:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:22,726 INFO L93 Difference]: Finished difference Result 2967 states and 3094 transitions. [2018-12-30 19:45:22,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:45:22,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 241 [2018-12-30 19:45:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:22,733 INFO L225 Difference]: With dead ends: 2967 [2018-12-30 19:45:22,733 INFO L226 Difference]: Without dead ends: 1555 [2018-12-30 19:45:22,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:45:22,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2018-12-30 19:45:22,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1414. [2018-12-30 19:45:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2018-12-30 19:45:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1464 transitions. [2018-12-30 19:45:22,758 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1464 transitions. Word has length 241 [2018-12-30 19:45:22,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:22,758 INFO L480 AbstractCegarLoop]: Abstraction has 1414 states and 1464 transitions. [2018-12-30 19:45:22,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:45:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1464 transitions. [2018-12-30 19:45:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-30 19:45:22,764 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:45:22,765 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-30 19:45:22,765 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:45:22,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:45:22,765 INFO L82 PathProgramCache]: Analyzing trace with hash 995979598, now seen corresponding path program 1 times [2018-12-30 19:45:22,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:45:22,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:45:22,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:22,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:22,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:45:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 174 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:23,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:45:23,225 INFO L223 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 [2018-12-30 19:45:23,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:45:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:45:23,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:45:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 190 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:45:23,631 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-30 19:45:23,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2018-12-30 19:45:23,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-30 19:45:23,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-30 19:45:23,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-30 19:45:23,633 INFO L87 Difference]: Start difference. First operand 1414 states and 1464 transitions. Second operand 10 states. [2018-12-30 19:45:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:45:26,870 INFO L93 Difference]: Finished difference Result 2571 states and 2668 transitions. [2018-12-30 19:45:26,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-30 19:45:26,871 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2018-12-30 19:45:26,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:45:26,872 INFO L225 Difference]: With dead ends: 2571 [2018-12-30 19:45:26,872 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:45:26,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2018-12-30 19:45:26,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:45:26,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:45:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:45:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:45:26,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2018-12-30 19:45:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:45:26,879 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:45:26,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-30 19:45:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:45:26,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:45:26,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:45:26,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:45:26,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:45:27,411 WARN L181 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2018-12-30 19:45:27,670 WARN L181 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2018-12-30 19:45:27,673 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,673 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,673 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,673 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-30 19:45:27,674 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-30 19:45:27,675 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-30 19:45:27,676 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-30 19:45:27,677 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-30 19:45:27,680 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-30 19:45:27,681 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-30 19:45:27,683 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-30 19:45:27,684 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-30 19:45:27,685 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:45:27,686 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-30 19:45:27,688 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-30 19:45:27,689 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-30 19:45:27,689 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-30 19:45:27,689 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-30 19:45:27,689 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:45:27,689 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:45:27,689 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L444 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse6 (= ~a28~0 7)) (.cse3 (<= ~a17~0 8))) (let ((.cse5 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 11))) (.cse1 (= ~a19~0 1)) (.cse7 (= ~a17~0 8)) (.cse10 (<= ~a25~0 0)) (.cse0 (= ~a28~0 10)) (.cse2 (and (not .cse6) .cse3)) (.cse8 (= ~a21~0 1)) (.cse4 (= ~a25~0 1)) (.cse9 (not (= ~a11~0 1)))) (or (and .cse0 .cse1 .cse2) (and (and (= ~a28~0 9) .cse3) .cse1 .cse4) (and .cse5 .cse1 .cse6 .cse4) (and .cse7 .cse6 .cse8 .cse4 .cse9) (and .cse7 .cse1 .cse6 .cse4 .cse9) (and .cse2 .cse8 .cse10 .cse11) (and .cse5 .cse2 .cse11) (and .cse7 .cse1 .cse8 .cse4 .cse9) (and .cse7 .cse6 .cse10 .cse8) (and .cse0 (<= ~a19~0 0) .cse2 .cse8 .cse4 .cse9)))) [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:45:27,690 INFO L451 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:45:27,691 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-30 19:45:27,692 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (= ~a28~0 7)) (.cse3 (<= ~a17~0 8))) (let ((.cse5 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 11))) (.cse1 (= ~a19~0 1)) (.cse7 (= ~a17~0 8)) (.cse10 (<= ~a25~0 0)) (.cse0 (= ~a28~0 10)) (.cse2 (and (not .cse6) .cse3)) (.cse8 (= ~a21~0 1)) (.cse4 (= ~a25~0 1)) (.cse9 (not (= ~a11~0 1)))) (or (and .cse0 .cse1 .cse2) (and (and (= ~a28~0 9) .cse3) .cse1 .cse4) (and .cse5 .cse1 .cse6 .cse4) (and .cse7 .cse6 .cse8 .cse4 .cse9) (and .cse7 .cse1 .cse6 .cse4 .cse9) (and .cse2 .cse8 .cse10 .cse11) (and .cse5 .cse2 .cse11) (and .cse7 .cse1 .cse8 .cse4 .cse9) (and .cse7 .cse6 .cse10 .cse8) (and .cse0 (<= ~a19~0 0) .cse2 .cse8 .cse4 .cse9)))) [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-30 19:45:27,693 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,694 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-30 19:45:27,698 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-30 19:45:27,698 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-30 19:45:27,699 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,700 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,701 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 505) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:45:27,702 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:45:27,703 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-30 19:45:27,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:45:27 BoogieIcfgContainer [2018-12-30 19:45:27,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:45:27,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:45:27,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:45:27,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:45:27,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:45:07" (3/4) ... [2018-12-30 19:45:27,751 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:45:27,793 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:45:27,794 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:45:28,042 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:45:28,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:45:28,046 INFO L168 Benchmark]: Toolchain (without parser) took 25287.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.4 MB). Free memory was 946.0 MB in the beginning and 840.9 MB in the end (delta: 105.1 MB). Peak memory consumption was 469.4 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,046 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 19:45:28,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.97 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,048 INFO L168 Benchmark]: Boogie Preprocessor took 84.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,050 INFO L168 Benchmark]: RCFGBuilder took 3576.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.1 MB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,050 INFO L168 Benchmark]: TraceAbstraction took 20413.88 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 987.1 MB in the beginning and 852.5 MB in the end (delta: 134.5 MB). Peak memory consumption was 390.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,051 INFO L168 Benchmark]: Witness Printer took 297.54 ms. Allocated memory is still 1.4 GB. Free memory was 852.5 MB in the beginning and 840.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:45:28,054 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.97 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 185.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3576.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.1 MB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20413.88 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 987.1 MB in the beginning and 852.5 MB in the end (delta: 134.5 MB). Peak memory consumption was 390.9 MB. Max. memory is 11.5 GB. * Witness Printer took 297.54 ms. Allocated memory is still 1.4 GB. Free memory was 852.5 MB in the beginning and 840.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 505]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a28 == 10 && a19 == 1) && !(a28 == 7) && a17 <= 8) || (((a28 == 9 && a17 <= 8) && a19 == 1) && a25 == 1)) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a25 == 1)) || ((((a17 == 8 && a28 == 7) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((((a17 == 8 && a19 == 1) && a28 == 7) && a25 == 1) && !(a11 == 1))) || ((((!(a28 == 7) && a17 <= 8) && a21 == 1) && a25 <= 0) && !(a28 == 11))) || ((a17 <= 7 && !(a28 == 7) && a17 <= 8) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a17 == 8 && a28 == 7) && a25 <= 0) && a21 == 1)) || (((((a28 == 10 && a19 <= 0) && !(a28 == 7) && a17 <= 8) && a21 == 1) && a25 == 1) && !(a11 == 1)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a28 == 10 && a19 == 1) && !(a28 == 7) && a17 <= 8) || (((a28 == 9 && a17 <= 8) && a19 == 1) && a25 == 1)) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a25 == 1)) || ((((a17 == 8 && a28 == 7) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((((a17 == 8 && a19 == 1) && a28 == 7) && a25 == 1) && !(a11 == 1))) || ((((!(a28 == 7) && a17 <= 8) && a21 == 1) && a25 <= 0) && !(a28 == 11))) || ((a17 <= 7 && !(a28 == 7) && a17 <= 8) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a17 == 8 && a28 == 7) && a25 <= 0) && a21 == 1)) || (((((a28 == 10 && a19 <= 0) && !(a28 == 7) && a17 <= 8) && a21 == 1) && a25 == 1) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 20.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 15.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 983 SDtfs, 2605 SDslu, 251 SDs, 0 SdLazy, 6368 SolverSat, 877 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1978occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1001 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 335 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1690 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 398 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1786 NumberOfCodeBlocks, 1786 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1775 ConstructedInterpolants, 0 QuantifiedInterpolants, 1077857 SizeOfPredicates, 7 NumberOfNonLiveVariables, 383 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 771/891 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...