./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label59_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/Problem01_label59_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 c830b0c5c33990192c3ba87f57f72df9f3b5a041 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:43:23,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:43:23,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:43:23,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:43:23,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:43:23,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:43:23,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:43:23,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:43:23,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:43:23,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:43:23,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:43:23,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:43:23,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:43:23,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:43:23,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:43:23,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:43:23,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:43:23,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:43:23,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:43:23,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:43:23,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:43:23,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:43:23,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:43:23,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:43:23,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:43:23,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:43:23,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:43:23,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:43:23,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:43:23,869 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:43:23,870 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:43:23,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:43:23,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:43:23,873 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:43:23,874 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:43:23,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:43:23,875 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:43:23,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:43:23,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:43:23,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:43:23,890 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:43:23,891 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:43:23,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:43:23,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:43:23,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:43:23,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:43:23,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:43:23,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:43:23,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:43:23,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:43:23,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:43:23,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:43:23,892 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:43:23,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:43:23,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:43:23,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:43:23,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:43:23,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:43:23,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:43:23,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:43:23,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:43:23,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:43:23,894 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:43:23,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:43:23,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:43:23,895 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 -> c830b0c5c33990192c3ba87f57f72df9f3b5a041 [2018-12-30 19:43:23,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:43:23,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:43:23,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:43:23,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:43:23,957 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:43:23,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-12-30 19:43:24,026 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafe8b900/934c873796ee4f5c8c2ded52b67e0084/FLAGb53916fe6 [2018-12-30 19:43:24,576 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:43:24,576 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-12-30 19:43:24,589 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafe8b900/934c873796ee4f5c8c2ded52b67e0084/FLAGb53916fe6 [2018-12-30 19:43:24,827 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafe8b900/934c873796ee4f5c8c2ded52b67e0084 [2018-12-30 19:43:24,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:43:24,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:43:24,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:43:24,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:43:24,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:43:24,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:43:24" (1/1) ... [2018-12-30 19:43:24,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0d44a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:24, skipping insertion in model container [2018-12-30 19:43:24,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:43:24" (1/1) ... [2018-12-30 19:43:24,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:43:24,923 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:43:25,420 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:43:25,433 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:43:25,575 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:43:25,594 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:43:25,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25 WrapperNode [2018-12-30 19:43:25,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:43:25,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:43:25,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:43:25,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:43:25,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:43:25,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:43:25,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:43:25,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:43:25,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (1/1) ... [2018-12-30 19:43:25,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:43:25,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:43:25,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:43:25,843 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:43:25,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (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 19:43:25,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:43:25,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:43:29,126 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:43:29,127 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:43:29,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:43:29 BoogieIcfgContainer [2018-12-30 19:43:29,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:43:29,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:43:29,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:43:29,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:43:29,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:43:24" (1/3) ... [2018-12-30 19:43:29,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdebd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:43:29, skipping insertion in model container [2018-12-30 19:43:29,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:43:25" (2/3) ... [2018-12-30 19:43:29,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdebd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:43:29, skipping insertion in model container [2018-12-30 19:43:29,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:43:29" (3/3) ... [2018-12-30 19:43:29,139 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label59_true-unreach-call_false-termination.c [2018-12-30 19:43:29,151 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:43:29,163 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:43:29,184 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:43:29,234 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:43:29,235 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:43:29,235 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:43:29,235 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:43:29,235 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:43:29,236 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:43:29,236 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:43:29,236 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:43:29,236 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:43:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:43:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-30 19:43:29,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:29,289 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] [2018-12-30 19:43:29,296 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:29,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:29,305 INFO L82 PathProgramCache]: Analyzing trace with hash 806224438, now seen corresponding path program 1 times [2018-12-30 19:43:29,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:29,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:29,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:29,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:29,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:29,929 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 19:43:29,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:29,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:43:29,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:43:29,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:43:29,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:43:29,960 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2018-12-30 19:43:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:32,343 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2018-12-30 19:43:32,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:43:32,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-30 19:43:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:32,364 INFO L225 Difference]: With dead ends: 662 [2018-12-30 19:43:32,364 INFO L226 Difference]: Without dead ends: 397 [2018-12-30 19:43:32,370 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 19:43:32,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-30 19:43:32,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-12-30 19:43:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-30 19:43:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2018-12-30 19:43:32,448 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 89 [2018-12-30 19:43:32,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:32,449 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2018-12-30 19:43:32,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:43:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2018-12-30 19:43:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-30 19:43:32,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:32,455 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:43:32,455 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:32,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:32,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1182931709, now seen corresponding path program 1 times [2018-12-30 19:43:32,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:32,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:32,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:32,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:32,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:43:32,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:32,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:43:32,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:43:32,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:43:32,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:43:32,703 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 3 states. [2018-12-30 19:43:33,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:33,555 INFO L93 Difference]: Finished difference Result 1185 states and 1654 transitions. [2018-12-30 19:43:33,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:43:33,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-12-30 19:43:33,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:33,562 INFO L225 Difference]: With dead ends: 1185 [2018-12-30 19:43:33,562 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:43:33,565 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 19:43:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:43:33,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2018-12-30 19:43:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-12-30 19:43:33,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 851 transitions. [2018-12-30 19:43:33,620 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 851 transitions. Word has length 96 [2018-12-30 19:43:33,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:33,622 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 851 transitions. [2018-12-30 19:43:33,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:43:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 851 transitions. [2018-12-30 19:43:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-30 19:43:33,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:33,630 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:43:33,630 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:33,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:33,630 INFO L82 PathProgramCache]: Analyzing trace with hash -2032630224, now seen corresponding path program 1 times [2018-12-30 19:43:33,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:33,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:33,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:33,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:33,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:43:33,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:33,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:43:33,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:43:33,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:43:33,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:43:33,737 INFO L87 Difference]: Start difference. First operand 659 states and 851 transitions. Second operand 4 states. [2018-12-30 19:43:35,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:35,034 INFO L93 Difference]: Finished difference Result 1971 states and 2548 transitions. [2018-12-30 19:43:35,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:43:35,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-30 19:43:35,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:35,041 INFO L225 Difference]: With dead ends: 1971 [2018-12-30 19:43:35,042 INFO L226 Difference]: Without dead ends: 1183 [2018-12-30 19:43:35,044 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 19:43:35,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-12-30 19:43:35,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2018-12-30 19:43:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2018-12-30 19:43:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1485 transitions. [2018-12-30 19:43:35,080 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1485 transitions. Word has length 102 [2018-12-30 19:43:35,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:35,080 INFO L480 AbstractCegarLoop]: Abstraction has 1183 states and 1485 transitions. [2018-12-30 19:43:35,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:43:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1485 transitions. [2018-12-30 19:43:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-30 19:43:35,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:35,089 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:43:35,090 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:35,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:35,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1446444757, now seen corresponding path program 1 times [2018-12-30 19:43:35,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:35,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:35,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:35,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:35,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-30 19:43:35,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:35,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:43:35,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:43:35,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:43:35,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:43:35,267 INFO L87 Difference]: Start difference. First operand 1183 states and 1485 transitions. Second operand 3 states. [2018-12-30 19:43:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:37,092 INFO L93 Difference]: Finished difference Result 3019 states and 3821 transitions. [2018-12-30 19:43:37,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:43:37,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-12-30 19:43:37,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:37,101 INFO L225 Difference]: With dead ends: 3019 [2018-12-30 19:43:37,101 INFO L226 Difference]: Without dead ends: 1707 [2018-12-30 19:43:37,104 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 19:43:37,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-30 19:43:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2018-12-30 19:43:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2018-12-30 19:43:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1661 transitions. [2018-12-30 19:43:37,143 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1661 transitions. Word has length 104 [2018-12-30 19:43:37,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:37,143 INFO L480 AbstractCegarLoop]: Abstraction has 1445 states and 1661 transitions. [2018-12-30 19:43:37,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:43:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1661 transitions. [2018-12-30 19:43:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-30 19:43:37,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:37,147 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-30 19:43:37,147 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:37,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:37,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1854334615, now seen corresponding path program 1 times [2018-12-30 19:43:37,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:37,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:37,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:37,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:37,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:43:37,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:37,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:43:37,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:43:37,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:43:37,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:43:37,270 INFO L87 Difference]: Start difference. First operand 1445 states and 1661 transitions. Second operand 4 states. [2018-12-30 19:43:37,474 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-12-30 19:43:38,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:38,279 INFO L93 Difference]: Finished difference Result 3024 states and 3467 transitions. [2018-12-30 19:43:38,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:43:38,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-12-30 19:43:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:38,288 INFO L225 Difference]: With dead ends: 3024 [2018-12-30 19:43:38,288 INFO L226 Difference]: Without dead ends: 1581 [2018-12-30 19:43:38,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:43:38,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2018-12-30 19:43:38,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1576. [2018-12-30 19:43:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:43:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1795 transitions. [2018-12-30 19:43:38,323 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1795 transitions. Word has length 112 [2018-12-30 19:43:38,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:38,323 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1795 transitions. [2018-12-30 19:43:38,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:43:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1795 transitions. [2018-12-30 19:43:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-30 19:43:38,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:38,326 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:43:38,327 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:38,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1664786527, now seen corresponding path program 1 times [2018-12-30 19:43:38,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:38,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:38,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:38,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:38,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:38,424 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 19:43:38,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:38,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:43:38,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:43:38,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:43:38,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:43:38,426 INFO L87 Difference]: Start difference. First operand 1576 states and 1795 transitions. Second operand 4 states. [2018-12-30 19:43:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:39,154 INFO L93 Difference]: Finished difference Result 3805 states and 4379 transitions. [2018-12-30 19:43:39,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:43:39,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2018-12-30 19:43:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:39,166 INFO L225 Difference]: With dead ends: 3805 [2018-12-30 19:43:39,166 INFO L226 Difference]: Without dead ends: 2362 [2018-12-30 19:43:39,169 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 19:43:39,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2018-12-30 19:43:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1707. [2018-12-30 19:43:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-30 19:43:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1877 transitions. [2018-12-30 19:43:39,208 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1877 transitions. Word has length 116 [2018-12-30 19:43:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:39,208 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 1877 transitions. [2018-12-30 19:43:39,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:43:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1877 transitions. [2018-12-30 19:43:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-30 19:43:39,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:39,212 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:43:39,212 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:39,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:39,213 INFO L82 PathProgramCache]: Analyzing trace with hash -2107396270, now seen corresponding path program 1 times [2018-12-30 19:43:39,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:39,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:39,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:39,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:39,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:43:39,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:39,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-30 19:43:39,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 19:43:39,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 19:43:39,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:43:39,544 INFO L87 Difference]: Start difference. First operand 1707 states and 1877 transitions. Second operand 8 states. [2018-12-30 19:43:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:40,738 INFO L93 Difference]: Finished difference Result 3716 states and 4094 transitions. [2018-12-30 19:43:40,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-30 19:43:40,739 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2018-12-30 19:43:40,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:40,748 INFO L225 Difference]: With dead ends: 3716 [2018-12-30 19:43:40,749 INFO L226 Difference]: Without dead ends: 2142 [2018-12-30 19:43:40,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:43:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2018-12-30 19:43:40,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 1838. [2018-12-30 19:43:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:43:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2009 transitions. [2018-12-30 19:43:40,803 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2009 transitions. Word has length 122 [2018-12-30 19:43:40,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:40,803 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2009 transitions. [2018-12-30 19:43:40,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 19:43:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2009 transitions. [2018-12-30 19:43:40,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-30 19:43:40,808 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:40,808 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-30 19:43:40,808 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:40,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:40,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1246749755, now seen corresponding path program 1 times [2018-12-30 19:43:40,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:40,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:40,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:40,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:40,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:43:41,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:41,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:43:41,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:43:41,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:43:41,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:43:41,208 INFO L87 Difference]: Start difference. First operand 1838 states and 2009 transitions. Second operand 4 states. [2018-12-30 19:43:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:41,925 INFO L93 Difference]: Finished difference Result 3805 states and 4174 transitions. [2018-12-30 19:43:41,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:43:41,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2018-12-30 19:43:41,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:41,934 INFO L225 Difference]: With dead ends: 3805 [2018-12-30 19:43:41,934 INFO L226 Difference]: Without dead ends: 2100 [2018-12-30 19:43:41,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 19:43:41,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2018-12-30 19:43:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2018-12-30 19:43:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2018-12-30 19:43:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2260 transitions. [2018-12-30 19:43:41,975 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2260 transitions. Word has length 148 [2018-12-30 19:43:41,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:41,976 INFO L480 AbstractCegarLoop]: Abstraction has 2100 states and 2260 transitions. [2018-12-30 19:43:41,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:43:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2260 transitions. [2018-12-30 19:43:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-30 19:43:41,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:41,980 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:41,980 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:41,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:41,981 INFO L82 PathProgramCache]: Analyzing trace with hash 691080292, now seen corresponding path program 1 times [2018-12-30 19:43:41,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:41,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:41,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:41,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:41,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:42,400 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-30 19:43:42,646 WARN L181 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-30 19:43:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:43:42,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:42,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-30 19:43:42,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-30 19:43:42,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-30 19:43:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2018-12-30 19:43:42,975 INFO L87 Difference]: Start difference. First operand 2100 states and 2260 transitions. Second operand 13 states. [2018-12-30 19:43:46,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:46,829 INFO L93 Difference]: Finished difference Result 4515 states and 4867 transitions. [2018-12-30 19:43:46,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-30 19:43:46,830 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 161 [2018-12-30 19:43:46,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:46,838 INFO L225 Difference]: With dead ends: 4515 [2018-12-30 19:43:46,839 INFO L226 Difference]: Without dead ends: 2400 [2018-12-30 19:43:46,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2018-12-30 19:43:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2018-12-30 19:43:46,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2135. [2018-12-30 19:43:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2018-12-30 19:43:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2292 transitions. [2018-12-30 19:43:46,884 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2292 transitions. Word has length 161 [2018-12-30 19:43:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:46,884 INFO L480 AbstractCegarLoop]: Abstraction has 2135 states and 2292 transitions. [2018-12-30 19:43:46,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-30 19:43:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2292 transitions. [2018-12-30 19:43:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-30 19:43:46,888 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:46,888 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:43:46,888 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:46,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:46,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2108776820, now seen corresponding path program 1 times [2018-12-30 19:43:46,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:46,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:46,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:46,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:46,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:43:47,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:47,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-30 19:43:47,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-30 19:43:47,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-30 19:43:47,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-30 19:43:47,103 INFO L87 Difference]: Start difference. First operand 2135 states and 2292 transitions. Second operand 6 states. [2018-12-30 19:43:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:48,194 INFO L93 Difference]: Finished difference Result 4152 states and 4463 transitions. [2018-12-30 19:43:48,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:43:48,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-12-30 19:43:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:48,202 INFO L225 Difference]: With dead ends: 4152 [2018-12-30 19:43:48,202 INFO L226 Difference]: Without dead ends: 2150 [2018-12-30 19:43:48,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-30 19:43:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2018-12-30 19:43:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2135. [2018-12-30 19:43:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2018-12-30 19:43:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2269 transitions. [2018-12-30 19:43:48,244 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2269 transitions. Word has length 163 [2018-12-30 19:43:48,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:48,244 INFO L480 AbstractCegarLoop]: Abstraction has 2135 states and 2269 transitions. [2018-12-30 19:43:48,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-30 19:43:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2269 transitions. [2018-12-30 19:43:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-30 19:43:48,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:43:48,249 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:48,250 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:43:48,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:43:48,250 INFO L82 PathProgramCache]: Analyzing trace with hash -263540360, now seen corresponding path program 1 times [2018-12-30 19:43:48,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:43:48,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:43:48,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:48,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:48,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:43:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-30 19:43:48,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:43:48,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:43:48,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:43:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:43:48,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:43:48,444 INFO L87 Difference]: Start difference. First operand 2135 states and 2269 transitions. Second operand 4 states. [2018-12-30 19:43:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:49,725 INFO L93 Difference]: Finished difference Result 4921 states and 5237 transitions. [2018-12-30 19:43:49,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:43:49,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2018-12-30 19:43:49,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:49,727 INFO L225 Difference]: With dead ends: 4921 [2018-12-30 19:43:49,727 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:43:49,730 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 19:43:49,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:43:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:43:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:43:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:43:49,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-12-30 19:43:49,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:49,731 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:43:49,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:43:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:43:49,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:43:49,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:43:49,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:49,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:49,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:49,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:49,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:49,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:50,908 WARN L181 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2018-12-30 19:43:51,461 WARN L181 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,465 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:43:51,466 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:43:51,467 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,468 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:43:51,469 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:43:51,470 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:43:51,470 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse8 (= ~a20~0 1)) (.cse1 (= ~a8~0 15))) (let ((.cse10 (= ~a16~0 5)) (.cse11 (<= ~a17~0 0)) (.cse7 (not .cse1)) (.cse5 (= ~a7~0 1)) (.cse9 (= ~a8~0 13)) (.cse0 (not .cse8)) (.cse2 (= ~a17~0 1)) (.cse3 (= ~a12~0 8)) (.cse4 (= ~a21~0 1)) (.cse6 (= ~a16~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (or (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse7 .cse3 .cse8 .cse4) (and .cse9 (and .cse2 .cse8) .cse3 .cse4) (and .cse5 .cse1 .cse10) (and .cse6 .cse7 .cse11) (and .cse1 .cse3 .cse11 .cse4) (and (not (= 1 ULTIMATE.start_calculate_output_~input)) .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse0 .cse1 (= ULTIMATE.start_calculate_output_~input 2) .cse2 .cse3 .cse4) (and .cse11 .cse10) (and .cse5 .cse11 .cse7) (and .cse5 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse6))))) [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:43:51,471 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,472 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:43:51,473 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:43:51,474 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:43:51,475 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse8 (= ~a20~0 1)) (.cse1 (= ~a8~0 15))) (let ((.cse9 (= ~a16~0 5)) (.cse11 (<= ~a17~0 0)) (.cse7 (not .cse1)) (.cse5 (= ~a7~0 1)) (.cse10 (= ~a8~0 13)) (.cse0 (not .cse8)) (.cse2 (= ~a17~0 1)) (.cse3 (= ~a12~0 8)) (.cse4 (= ~a21~0 1)) (.cse6 (= ~a16~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (or (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse10 (and .cse2 .cse8) .cse3 .cse4) (and .cse5 .cse1 .cse9) (and .cse6 .cse7 .cse11) (and .cse1 .cse3 .cse11 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_calculate_output_~input 2) .cse2 .cse3 .cse4) (and .cse11 .cse9) (and .cse5 .cse11 .cse7) (and .cse5 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse6))))) [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:43:51,476 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,477 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:43:51,478 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:43:51,479 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:43:51,480 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:43:51,481 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:43:51,482 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:43:51,482 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:43:51,482 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,482 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:43:51,483 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,484 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:43:51,485 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:43:51,486 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:43:51,486 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:43:51,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:43:51 BoogieIcfgContainer [2018-12-30 19:43:51,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:43:51,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:43:51,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:43:51,533 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:43:51,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:43:29" (3/4) ... [2018-12-30 19:43:51,543 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:43:51,573 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:43:51,574 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:43:51,752 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:43:51,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:43:51,753 INFO L168 Benchmark]: Toolchain (without parser) took 26920.79 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 387.4 MB). Free memory was 947.3 MB in the beginning and 1.3 GB in the end (delta: -345.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,753 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 19:43:51,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.83 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 919.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -211.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,754 INFO L168 Benchmark]: Boogie Preprocessor took 65.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,755 INFO L168 Benchmark]: RCFGBuilder took 3285.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,755 INFO L168 Benchmark]: TraceAbstraction took 22403.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 243.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -297.3 MB). Peak memory consumption was 451.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,755 INFO L168 Benchmark]: Witness Printer took 219.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:51,758 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 761.83 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 919.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 179.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -211.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3285.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22403.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 243.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -297.3 MB). Peak memory consumption was 451.3 MB. Max. memory is 11.5 GB. * Witness Printer took 219.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((!(a20 == 1) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && ((3 == input || 5 == input) || input == 6)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (((((a16 == 4 && a17 == 1) && !(a8 == 15)) && a12 == 8) && a20 == 1) && a21 == 1)) || (((a8 == 13 && a17 == 1 && a20 == 1) && a12 == 8) && a21 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((a16 == 4 && !(a8 == 15)) && a17 <= 0)) || (((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1)) || (((((!(1 == input) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || (((((!(a20 == 1) && a8 == 15) && input == 2) && a17 == 1) && a12 == 8) && a21 == 1)) || (a17 <= 0 && a16 == 5)) || ((a7 == 1 && a17 <= 0) && !(a8 == 15))) || (a7 == 1 && a8 == 13)) || (((((!(a20 == 1) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && !(a16 == 4)) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(a20 == 1) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && ((3 == input || 5 == input) || input == 6)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (((((a16 == 4 && a17 == 1) && !(a8 == 15)) && a12 == 8) && a20 == 1) && a21 == 1)) || ((((a8 == 15 && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || (((a8 == 13 && a17 == 1 && a20 == 1) && a12 == 8) && a21 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((a16 == 4 && !(a8 == 15)) && a17 <= 0)) || (((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1)) || (((((!(a20 == 1) && a8 == 15) && input == 2) && a17 == 1) && a12 == 8) && a21 == 1)) || (a17 <= 0 && a16 == 5)) || ((a7 == 1 && a17 <= 0) && !(a8 == 15))) || (a7 == 1 && a8 == 13)) || (((((!(a20 == 1) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && !(a16 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 22.2s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 845 SDtfs, 3285 SDslu, 143 SDs, 0 SdLazy, 6607 SolverSat, 895 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2135occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1637 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 58 NumberOfFragments, 387 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5987 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1425 NumberOfCodeBlocks, 1425 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 931189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 627/627 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...