./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label13_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_label13_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 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:40:23,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:40:23,810 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:40:23,829 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:40:23,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:40:23,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:40:23,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:40:23,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:40:23,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:40:23,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:40:23,838 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:40:23,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:40:23,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:40:23,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:40:23,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:40:23,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:40:23,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:40:23,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:40:23,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:40:23,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:40:23,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:40:23,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:40:23,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:40:23,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:40:23,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:40:23,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:40:23,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:40:23,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:40:23,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:40:23,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:40:23,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:40:23,865 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:40:23,865 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:40:23,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:40:23,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:40:23,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:40:23,867 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:40:23,899 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:40:23,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:40:23,904 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:40:23,904 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:40:23,904 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:40:23,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:40:23,904 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:40:23,907 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:40:23,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:40:23,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:40:23,908 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:40:23,908 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:40:23,908 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:40:23,908 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:40:23,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:40:23,909 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:40:23,909 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:40:23,909 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:40:23,909 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:40:23,909 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:40:23,909 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:40:23,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:40:23,910 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:40:23,910 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:40:23,910 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:40:23,910 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:40:23,910 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:40:23,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:40:23,912 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 -> 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 [2018-12-30 19:40:23,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:40:23,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:40:23,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:40:24,000 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:40:24,000 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:40:24,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-12-30 19:40:24,057 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6508177a8/edf353802eb84c4986e43d53b6d2fae4/FLAGf75ae54f3 [2018-12-30 19:40:24,599 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:40:24,601 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-12-30 19:40:24,615 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6508177a8/edf353802eb84c4986e43d53b6d2fae4/FLAGf75ae54f3 [2018-12-30 19:40:24,859 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6508177a8/edf353802eb84c4986e43d53b6d2fae4 [2018-12-30 19:40:24,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:40:24,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:40:24,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:40:24,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:40:24,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:40:24,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:40:24" (1/1) ... [2018-12-30 19:40:24,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd3e7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:24, skipping insertion in model container [2018-12-30 19:40:24,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:40:24" (1/1) ... [2018-12-30 19:40:24,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:40:24,958 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:40:25,448 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:40:25,458 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:40:25,616 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:40:25,641 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:40:25,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25 WrapperNode [2018-12-30 19:40:25,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:40:25,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:40:25,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:40:25,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:40:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:40:25,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:40:25,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:40:25,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:40:25,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (1/1) ... [2018-12-30 19:40:25,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:40:25,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:40:25,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:40:25,953 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:40:25,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (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 19:40:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:40:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:40:29,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:40:29,278 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:40:29,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:40:29 BoogieIcfgContainer [2018-12-30 19:40:29,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:40:29,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:40:29,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:40:29,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:40:29,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:40:24" (1/3) ... [2018-12-30 19:40:29,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b10308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:40:29, skipping insertion in model container [2018-12-30 19:40:29,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:40:25" (2/3) ... [2018-12-30 19:40:29,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b10308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:40:29, skipping insertion in model container [2018-12-30 19:40:29,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:40:29" (3/3) ... [2018-12-30 19:40:29,295 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label13_true-unreach-call_false-termination.c [2018-12-30 19:40:29,311 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:40:29,324 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:40:29,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:40:29,397 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:40:29,398 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:40:29,399 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:40:29,399 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:40:29,399 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:40:29,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:40:29,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:40:29,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:40:29,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:40:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:40:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-30 19:40:29,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:29,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:29,474 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:29,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1419855070, now seen corresponding path program 1 times [2018-12-30 19:40:29,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:29,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:29,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:29,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:29,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:30,158 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 19:40:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:40:30,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:30,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:40:30,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:30,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:30,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:30,251 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2018-12-30 19:40:33,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:33,304 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2018-12-30 19:40:33,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:40:33,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2018-12-30 19:40:33,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:33,326 INFO L225 Difference]: With dead ends: 662 [2018-12-30 19:40:33,326 INFO L226 Difference]: Without dead ends: 397 [2018-12-30 19:40:33,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-30 19:40:33,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-12-30 19:40:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-30 19:40:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2018-12-30 19:40:33,419 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 123 [2018-12-30 19:40:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:33,420 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2018-12-30 19:40:33,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2018-12-30 19:40:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-30 19:40:33,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:33,425 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:33,426 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:33,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:33,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1345449990, now seen corresponding path program 1 times [2018-12-30 19:40:33,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:33,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:33,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:33,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:33,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:40:33,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:33,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:40:33,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:33,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:33,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:33,533 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 4 states. [2018-12-30 19:40:34,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:34,869 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2018-12-30 19:40:34,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:34,870 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2018-12-30 19:40:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:34,875 INFO L225 Difference]: With dead ends: 1185 [2018-12-30 19:40:34,876 INFO L226 Difference]: Without dead ends: 790 [2018-12-30 19:40:34,879 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 19:40:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-12-30 19:40:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-12-30 19:40:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-12-30 19:40:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1066 transitions. [2018-12-30 19:40:34,936 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1066 transitions. Word has length 128 [2018-12-30 19:40:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:34,937 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 1066 transitions. [2018-12-30 19:40:34,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1066 transitions. [2018-12-30 19:40:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-30 19:40:34,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:34,941 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:34,941 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash -139497956, now seen corresponding path program 1 times [2018-12-30 19:40:34,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:34,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:34,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:34,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:34,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-30 19:40:35,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:35,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:40:35,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:40:35,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:40:35,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:35,068 INFO L87 Difference]: Start difference. First operand 790 states and 1066 transitions. Second operand 3 states. [2018-12-30 19:40:36,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:36,260 INFO L93 Difference]: Finished difference Result 1971 states and 2686 transitions. [2018-12-30 19:40:36,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:36,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2018-12-30 19:40:36,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:36,269 INFO L225 Difference]: With dead ends: 1971 [2018-12-30 19:40:36,269 INFO L226 Difference]: Without dead ends: 1183 [2018-12-30 19:40:36,271 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 19:40:36,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-12-30 19:40:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2018-12-30 19:40:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2018-12-30 19:40:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1246 transitions. [2018-12-30 19:40:36,310 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1246 transitions. Word has length 149 [2018-12-30 19:40:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:36,310 INFO L480 AbstractCegarLoop]: Abstraction has 921 states and 1246 transitions. [2018-12-30 19:40:36,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:40:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1246 transitions. [2018-12-30 19:40:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-30 19:40:36,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:36,314 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:36,316 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:36,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:36,316 INFO L82 PathProgramCache]: Analyzing trace with hash -2073958119, now seen corresponding path program 1 times [2018-12-30 19:40:36,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:36,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:36,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:36,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:36,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-30 19:40:36,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:36,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:40:36,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:40:36,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:40:36,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:36,526 INFO L87 Difference]: Start difference. First operand 921 states and 1246 transitions. Second operand 3 states. [2018-12-30 19:40:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:38,357 INFO L93 Difference]: Finished difference Result 2233 states and 2997 transitions. [2018-12-30 19:40:38,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:38,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2018-12-30 19:40:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:38,365 INFO L225 Difference]: With dead ends: 2233 [2018-12-30 19:40:38,366 INFO L226 Difference]: Without dead ends: 1314 [2018-12-30 19:40:38,368 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 19:40:38,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2018-12-30 19:40:38,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2018-12-30 19:40:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2018-12-30 19:40:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1526 transitions. [2018-12-30 19:40:38,400 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1526 transitions. Word has length 185 [2018-12-30 19:40:38,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:38,400 INFO L480 AbstractCegarLoop]: Abstraction has 1183 states and 1526 transitions. [2018-12-30 19:40:38,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:40:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1526 transitions. [2018-12-30 19:40:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-30 19:40:38,405 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:38,406 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:38,406 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:38,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:38,406 INFO L82 PathProgramCache]: Analyzing trace with hash 146303237, now seen corresponding path program 1 times [2018-12-30 19:40:38,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:38,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:38,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:38,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:38,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-30 19:40:38,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:38,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:40:38,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:38,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:38,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:38,602 INFO L87 Difference]: Start difference. First operand 1183 states and 1526 transitions. Second operand 4 states. [2018-12-30 19:40:39,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:39,293 INFO L93 Difference]: Finished difference Result 2500 states and 3204 transitions. [2018-12-30 19:40:39,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:40:39,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 193 [2018-12-30 19:40:39,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:39,302 INFO L225 Difference]: With dead ends: 2500 [2018-12-30 19:40:39,302 INFO L226 Difference]: Without dead ends: 1319 [2018-12-30 19:40:39,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:40:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2018-12-30 19:40:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1314. [2018-12-30 19:40:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2018-12-30 19:40:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1663 transitions. [2018-12-30 19:40:39,334 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1663 transitions. Word has length 193 [2018-12-30 19:40:39,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:39,335 INFO L480 AbstractCegarLoop]: Abstraction has 1314 states and 1663 transitions. [2018-12-30 19:40:39,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1663 transitions. [2018-12-30 19:40:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-30 19:40:39,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:39,340 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:39,340 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:39,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1732240947, now seen corresponding path program 1 times [2018-12-30 19:40:39,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:39,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:39,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:39,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:39,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-30 19:40:39,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:39,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:40:39,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 19:40:39,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 19:40:39,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:40:39,593 INFO L87 Difference]: Start difference. First operand 1314 states and 1663 transitions. Second operand 5 states. [2018-12-30 19:40:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:41,115 INFO L93 Difference]: Finished difference Result 2757 states and 3527 transitions. [2018-12-30 19:40:41,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:40:41,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-12-30 19:40:41,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:41,131 INFO L225 Difference]: With dead ends: 2757 [2018-12-30 19:40:41,131 INFO L226 Difference]: Without dead ends: 1576 [2018-12-30 19:40:41,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:40:41,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-12-30 19:40:41,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2018-12-30 19:40:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:40:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1949 transitions. [2018-12-30 19:40:41,167 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1949 transitions. Word has length 197 [2018-12-30 19:40:41,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:41,167 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1949 transitions. [2018-12-30 19:40:41,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 19:40:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1949 transitions. [2018-12-30 19:40:41,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-30 19:40:41,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:41,174 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:41,174 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:41,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:41,174 INFO L82 PathProgramCache]: Analyzing trace with hash -794045742, now seen corresponding path program 1 times [2018-12-30 19:40:41,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:41,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:41,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:41,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:41,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-30 19:40:41,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:41,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:40:41,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:40:41,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:40:41,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:41,328 INFO L87 Difference]: Start difference. First operand 1576 states and 1949 transitions. Second operand 3 states. [2018-12-30 19:40:41,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:41,990 INFO L93 Difference]: Finished difference Result 3412 states and 4236 transitions. [2018-12-30 19:40:41,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:41,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-12-30 19:40:41,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:41,999 INFO L225 Difference]: With dead ends: 3412 [2018-12-30 19:40:42,000 INFO L226 Difference]: Without dead ends: 1707 [2018-12-30 19:40:42,003 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 19:40:42,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-30 19:40:42,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2018-12-30 19:40:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-12-30 19:40:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1732 transitions. [2018-12-30 19:40:42,036 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1732 transitions. Word has length 200 [2018-12-30 19:40:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:42,037 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1732 transitions. [2018-12-30 19:40:42,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:40:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1732 transitions. [2018-12-30 19:40:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-30 19:40:42,043 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:42,044 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:42,044 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:42,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash 933247694, now seen corresponding path program 1 times [2018-12-30 19:40:42,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:42,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:42,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:42,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:42,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-30 19:40:42,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:42,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:40:42,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:40:42,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:40:42,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:40:42,215 INFO L87 Difference]: Start difference. First operand 1576 states and 1732 transitions. Second operand 3 states. [2018-12-30 19:40:42,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:42,654 INFO L93 Difference]: Finished difference Result 3543 states and 3930 transitions. [2018-12-30 19:40:42,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:42,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2018-12-30 19:40:42,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:42,663 INFO L225 Difference]: With dead ends: 3543 [2018-12-30 19:40:42,663 INFO L226 Difference]: Without dead ends: 2100 [2018-12-30 19:40:42,666 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 19:40:42,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2018-12-30 19:40:42,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2018-12-30 19:40:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2018-12-30 19:40:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2004 transitions. [2018-12-30 19:40:42,704 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2004 transitions. Word has length 215 [2018-12-30 19:40:42,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:42,704 INFO L480 AbstractCegarLoop]: Abstraction has 1838 states and 2004 transitions. [2018-12-30 19:40:42,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:40:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2004 transitions. [2018-12-30 19:40:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-30 19:40:42,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:42,711 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:40:42,711 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:42,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:42,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1158107046, now seen corresponding path program 1 times [2018-12-30 19:40:42,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:42,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:42,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:42,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:42,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:43,148 WARN L181 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-12-30 19:40:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 205 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-30 19:40:43,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:40:43,243 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 19:40:43,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:43,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:40:43,586 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-30 19:40:43,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:40:43,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-12-30 19:40:43,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-30 19:40:43,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-30 19:40:43,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-30 19:40:43,620 INFO L87 Difference]: Start difference. First operand 1838 states and 2004 transitions. Second operand 7 states. [2018-12-30 19:40:49,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:49,170 INFO L93 Difference]: Finished difference Result 3814 states and 4158 transitions. [2018-12-30 19:40:49,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-30 19:40:49,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 244 [2018-12-30 19:40:49,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:49,179 INFO L225 Difference]: With dead ends: 3814 [2018-12-30 19:40:49,179 INFO L226 Difference]: Without dead ends: 1978 [2018-12-30 19:40:49,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:40:49,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2018-12-30 19:40:49,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1707. [2018-12-30 19:40:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-30 19:40:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1827 transitions. [2018-12-30 19:40:49,222 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1827 transitions. Word has length 244 [2018-12-30 19:40:49,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:49,223 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 1827 transitions. [2018-12-30 19:40:49,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-30 19:40:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1827 transitions. [2018-12-30 19:40:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-30 19:40:49,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:49,231 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:49,231 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:49,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:49,233 INFO L82 PathProgramCache]: Analyzing trace with hash -31285532, now seen corresponding path program 1 times [2018-12-30 19:40:49,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:49,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:49,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:49,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:49,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-30 19:40:49,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:49,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:40:49,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:49,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:49,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:49,492 INFO L87 Difference]: Start difference. First operand 1707 states and 1827 transitions. Second operand 4 states. [2018-12-30 19:40:50,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:50,541 INFO L93 Difference]: Finished difference Result 3412 states and 3668 transitions. [2018-12-30 19:40:50,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:40:50,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 295 [2018-12-30 19:40:50,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:50,551 INFO L225 Difference]: With dead ends: 3412 [2018-12-30 19:40:50,551 INFO L226 Difference]: Without dead ends: 1838 [2018-12-30 19:40:50,555 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 19:40:50,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-12-30 19:40:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2018-12-30 19:40:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-30 19:40:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1815 transitions. [2018-12-30 19:40:50,587 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1815 transitions. Word has length 295 [2018-12-30 19:40:50,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:50,587 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 1815 transitions. [2018-12-30 19:40:50,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1815 transitions. [2018-12-30 19:40:50,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-30 19:40:50,594 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:40:50,594 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-30 19:40:50,594 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:40:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:40:50,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1965255341, now seen corresponding path program 1 times [2018-12-30 19:40:50,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:40:50,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:40:50,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:50,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:40:50,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:40:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:40:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-30 19:40:51,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:40:51,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:40:51,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:40:51,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:40:51,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:40:51,105 INFO L87 Difference]: Start difference. First operand 1707 states and 1815 transitions. Second operand 4 states. [2018-12-30 19:40:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:40:52,075 INFO L93 Difference]: Finished difference Result 1707 states and 1815 transitions. [2018-12-30 19:40:52,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:40:52,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 317 [2018-12-30 19:40:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:40:52,077 INFO L225 Difference]: With dead ends: 1707 [2018-12-30 19:40:52,077 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:40:52,079 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 19:40:52,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:40:52,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:40:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:40:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:40:52,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2018-12-30 19:40:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:40:52,081 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:40:52,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:40:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:40:52,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:40:52,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:40:53,724 WARN L181 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-12-30 19:40:54,035 WARN L181 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,039 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:40:54,040 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,041 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,042 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,042 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,042 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,042 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,042 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:40:54,042 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:40:54,043 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:40:54,044 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:40:54,045 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:40:54,045 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:40:54,045 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:40:54,045 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2018-12-30 19:40:54,045 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse6 (= ~a17~0 1)) (.cse3 (= ~a16~0 5)) (.cse4 (= ~a7~0 1)) (.cse0 (= ~a16~0 4)) (.cse1 (= ~a21~0 1)) (.cse5 (= ~a16~0 6)) (.cse2 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse4 (and (not .cse5) .cse6 .cse1)) (and .cse6 .cse1 (= ~a20~0 1) .cse2) (and .cse4 (<= ~a21~0 0)) (and .cse4 .cse1 .cse3) (and .cse4 .cse0 .cse1) (and (= ~a8~0 15) .cse1 .cse5 .cse2))) [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:40:54,047 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:40:54,048 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:40:54,048 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:40:54,049 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:40:54,050 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:40:54,051 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:40:54,052 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:40:54,056 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,056 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (= ~a17~0 1)) (.cse3 (= ~a16~0 5)) (.cse5 (= ~a7~0 1)) (.cse0 (= ~a16~0 4)) (.cse1 (= ~a21~0 1)) (.cse6 (= ~a16~0 6)) (.cse2 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse4 .cse1 (= ~a20~0 1) .cse2) (and .cse5 (<= ~a21~0 0)) (and .cse5 .cse4 (and (not .cse6) .cse1)) (and .cse5 .cse1 .cse3) (and .cse5 .cse0 .cse1) (and (= ~a8~0 15) .cse1 .cse6 .cse2))) [2018-12-30 19:40:54,056 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:40:54,057 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:40:54,058 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:40:54,059 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:40:54,060 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:40:54,061 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:40:54,062 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:40:54,064 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:40:54,065 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:40:54,066 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:40:54,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:40:54 BoogieIcfgContainer [2018-12-30 19:40:54,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:40:54,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:40:54,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:40:54,109 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:40:54,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:40:29" (3/4) ... [2018-12-30 19:40:54,120 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:40:54,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:40:54,168 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:40:54,394 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:40:54,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:40:54,398 INFO L168 Benchmark]: Toolchain (without parser) took 29533.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 379.6 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -249.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,400 INFO L168 Benchmark]: CDTParser took 0.15 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 19:40:54,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.23 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 913.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,401 INFO L168 Benchmark]: Boogie Preprocessor took 90.23 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,401 INFO L168 Benchmark]: RCFGBuilder took 3326.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,401 INFO L168 Benchmark]: TraceAbstraction took 24827.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.9 MB). Free memory was 995.6 MB in the beginning and 1.2 GB in the end (delta: -228.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,403 INFO L168 Benchmark]: Witness Printer took 288.31 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:40:54,406 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 776.23 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 913.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 218.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.23 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3326.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24827.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.9 MB). Free memory was 995.6 MB in the beginning and 1.2 GB in the end (delta: -228.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Witness Printer took 288.31 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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: ((((((((a16 == 4 && a21 == 1) && a7 <= 0) || ((a21 == 1 && a7 <= 0) && a16 == 5)) || (a7 == 1 && (!(a16 == 6) && a17 == 1) && a21 == 1)) || (((a17 == 1 && a21 == 1) && a20 == 1) && a7 <= 0)) || (a7 == 1 && a21 <= 0)) || ((a7 == 1 && a21 == 1) && a16 == 5)) || ((a7 == 1 && a16 == 4) && a21 == 1)) || (((a8 == 15 && a21 == 1) && a16 == 6) && a7 <= 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((a16 == 4 && a21 == 1) && a7 <= 0) || ((a21 == 1 && a7 <= 0) && a16 == 5)) || (((a17 == 1 && a21 == 1) && a20 == 1) && a7 <= 0)) || (a7 == 1 && a21 <= 0)) || ((a7 == 1 && a17 == 1) && !(a16 == 6) && a21 == 1)) || ((a7 == 1 && a21 == 1) && a16 == 5)) || ((a7 == 1 && a16 == 4) && a21 == 1)) || (((a8 == 15 && a21 == 1) && a16 == 6) && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 24.6s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 18.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 623 SDtfs, 2422 SDslu, 121 SDs, 0 SdLazy, 6164 SolverSat, 766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=8, 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, 1193 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 179 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2146 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 328 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2490 NumberOfCodeBlocks, 2490 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2478 ConstructedInterpolants, 0 QuantifiedInterpolants, 1058523 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2169/2196 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...